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10292 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Andreas Roeseler
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e32ea44c7a |
icmp: fix lib conflict with trinity
Including <linux/in.h> and <netinet/in.h> in the dependencies breaks compilation of trinity due to multiple definitions. <linux/in.h> is only used in <linux/icmp.h> to provide the definition of the struct in_addr, but this can be substituted out by using the datatype __be32. Signed-off-by: Andreas Roeseler <andreas.a.roeseler@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Dmytro Linkin
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d755598450 |
devlink: Allow setting parent node of rate objects
Refactor DEVLINK_CMD_RATE_{GET|SET} command handlers to support setting
a node as a parent for another rate object (leaf or node) by means of
new attribute DEVLINK_ATTR_RATE_PARENT_NODE_NAME. Extend devlink ops
with new callbacks rate_{leaf|node}_parent_set() to set node as a parent
for rate object to allow supporting drivers to implement rate grouping
through devlink. Driver implementations are allowed to support leafs
or node children only. Invoking callback with NULL as parent should be
threated by the driver as unset parent action.
Extend rate object struct with reference counter to disallow deleting a
node with any child pointing to it. User should unset parent for the
child explicitly.
Example:
$ devlink port function rate add netdevsim/netdevsim10/group1
$ devlink port function rate add netdevsim/netdevsim10/group2
$ devlink port function rate set netdevsim/netdevsim10/group1 parent group2
$ devlink port function rate show netdevsim/netdevsim10/group1
netdevsim/netdevsim10/group1: type node parent group2
$ devlink port function rate set netdevsim/netdevsim10/group1 noparent
Co-developed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dmytro Linkin
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a8ecb93ef0 |
devlink: Introduce rate nodes
Implement support for DEVLINK_CMD_RATE_{NEW|DEL} commands that are used
to create and delete devlink rate nodes. Add new attribute
DEVLINK_ATTR_RATE_NODE_NAME that specify node name string. The node name
is an alphanumeric identifier. No valid node name can be a devlink port
index, eg. decimal number. Extend devlink ops with new callbacks
rate_node_{new|del}() and rate_node_tx_{share|max}_set() to allow
supporting drivers to implement ports rate grouping and setting tx rate
of rate nodes through devlink.
Expose devlink_rate_nodes_destroy() function to allow vendor driver do
proper cleanup of internally allocated resources for the nodes if the
driver goes down or due to any other reasons which requires nodes to be
destroyed.
Disallow moving device from switchdev to legacy mode if any node exists
on that device. User must explicitly delete nodes before switching mode.
Example:
$ devlink port function rate add netdevsim/netdevsim10/group1
$ devlink port function rate set netdevsim/netdevsim10/group1 \
tx_share 10mbit tx_max 100mbit
Add + set command can be combined:
$ devlink port function rate add netdevsim/netdevsim10/group1 \
tx_share 10mbit tx_max 100mbit
$ devlink port function rate show netdevsim/netdevsim10/group1
netdevsim/netdevsim10/group1: type node tx_share 10mbit tx_max 100mbit
$ devlink port function rate del netdevsim/netdevsim10/group1
Co-developed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dmytro Linkin
|
1897db2ec3 |
devlink: Allow setting tx rate for devlink rate leaf objects
Implement support for DEVLINK_CMD_RATE_SET command with new attributes
DEVLINK_ATTR_RATE_TX_{SHARE|MAX} that are used to set devlink rate
shared/max tx rate values. Extend devlink ops with new callbacks
rate_leaf_tx_{share|max}_set() to allow supporting drivers to implement
rate control through devlink.
New attributes are optional. Driver implementations are allowed to
support either or both of them.
Shared rate example:
$ devlink port function rate set netdevsim/netdevsim10/0 tx_share 10mbit
$ devlink port function rate show netdevsim/netdevsim10/0
netdevsim/netdevsim10/0: type leaf tx_share 10mbit
Max rate example:
$ devlink port function rate set netdevsim/netdevsim10/0 tx_max 100mbit
$ devlink port function rate show netdevsim/netdevsim10/0
netdevsim/netdevsim10/0: type leaf tx_max 100mbit
Co-developed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dmytro Linkin
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4677efc486 |
devlink: Introduce rate object
Allow registering rate object for devlink ports with dedicated
devlink_rate_leaf_{create|destroy}() API. Implement new netlink
DEVLINK_CMD_RATE_GET command that is used to retrieve rate object info.
Add new DEVLINK_CMD_RATE_{NEW|DEL} commands that are used for
notifications when creating/deleting leaf rate object.
Rate API is intended to be used for rate limiting of individual
devlink ports (leafs) and their aggregates (nodes).
Example:
$ devlink port show
pci/0000:03:00.0/0
pci/0000:03:00.0/1
$ devlink port function rate show
pci/0000:03:00.0/0: type leaf
pci/0000:03:00.0/1: type leaf
Co-developed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller
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5fe8e519e4 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says: ==================== Netfilter updates for net-next The following patchset contains Netfilter updates for net-next: 1) Support for SCTP chunks matching on nf_tables, from Phil Sutter. 2) Skip LDMXCSR, we don't need a valid MXCSR state. From Stefano Brivio. 3) CONFIG_RETPOLINE for nf_tables set lookups, from Florian Westphal. 4) A few Kconfig leading spaces removal, from Juerg Haefliger. 5) Remove spinlock from xt_limit, from Jason Baron. 6) Remove useless initialization in xt_CT, oneliner from Yang Li. 7) Tree-wide replacement of netlink_unicast() by nfnetlink_unicast(). 8) Reduce footprint of several structures: xt_action_param, nft_pktinfo and nf_hook_state, from Florian. 10) Add nft_thoff() and nft_sk() helpers and use them, also from Florian. 11) Fix documentation in nf_tables pipapo avx2, from Florian Westphal. 12) Fix clang-12 fmt string warnings, also from Florian. ==================== |
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Sharath Chandra Vurukala
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b6e5d27e32 |
net: ethernet: rmnet: Add support for MAPv5 egress packets
Adding support for MAPv5 egress packets. This involves adding the MAPv5 header and setting the csum_valid_required in the checksum header to request HW compute the checksum. Corresponding stats are incremented based on whether the checksum is computed in software or HW. New stat has been added which represents the count of packets whose checksum is calculated by the HW. Signed-off-by: Sharath Chandra Vurukala <sharathv@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Sharath Chandra Vurukala
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e1d9a90a9b |
net: ethernet: rmnet: Support for ingress MAPv5 checksum offload
Adding support for processing of MAPv5 downlink packets. It involves parsing the Mapv5 packet and checking the csum header to know whether the hardware has validated the checksum and is valid or not. Based on the checksum valid bit the corresponding stats are incremented and skb->ip_summed is marked either CHECKSUM_UNNECESSARY or left as CHEKSUM_NONE to let network stack revalidate the checksum and update the respective snmp stats. Current MAPV1 header has been modified, the reserved field in the Mapv1 header is now used for next header indication. Signed-off-by: Sharath Chandra Vurukala <sharathv@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Phil Sutter
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133dc203d7 |
netfilter: nft_exthdr: Support SCTP chunks
Chunks are SCTP header extensions similar in implementation to IPv6 extension headers or TCP options. Reusing exthdr expression to find and extract field values from them is therefore pretty straightforward. For now, this supports extracting data from chunks at a fixed offset (and length) only - chunks themselves are an extensible data structure; in order to make all fields available, a nested extension search is needed. Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> |
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Jakub Kicinski
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b14b27fffa |
linux-can-next-for-5.14-20210527
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Merge tag 'linux-can-next-for-5.14-20210527' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
can-next 2021-05-27
The first 2 patches are by Geert Uytterhoeven and convert the rcan_can
and rcan_canfd device tree bindings to yaml.
The next 2 patches are by Oliver Hartkopp and me and update the CAN
uapi headers.
zuoqilin's patch removes an unnecessary variable from the CAN proc
code.
Patrick Menschel contributes 3 patches for CAN ISOTP to enhance the
error messages.
Jiapeng Chong's patch removes two dead stores from the softing driver.
The next 4 patches are by me and silence several warnings found by
clang compiler.
Jimmy Assarsson's patches for the kvaser_usb driver add support for
the Kvaser hydra devices.
Dario Binacchi provides 2 patches for the c_can driver, first removing
an unused variable, then adding basic ethtool support to query driver
and ring parameter info.
The last 4 patches are by Torin Cooper-Bennun and clean up the m_can
driver.
* tag 'linux-can-next-for-5.14-20210527' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next: (21 commits)
can: m_can: fix whitespace in a few comments
can: m_can: make TXESC, RXESC config more explicit
can: m_can: clean up CCCR reg defs, order by revs
can: m_can: use bits.h macros for all regmasks
can: c_can: add ethtool support
can: c_can: remove unused variable struct c_can_priv::rxmasked
can: kvaser_usb: Add new Kvaser hydra devices
can: kvaser_usb: Rename define USB_HYBRID_{,PRO_}CANLIN_PRODUCT_ID
can: at91_can: silence clang warning
can: mcp251xfd: silence clang warning
can: mcp251x: mcp251x_can_probe(): silence clang warning
can: hi311x: hi3110_can_probe(): silence clang warning
can: softing: Remove redundant variable ptr
can: isotp: Add error message if txqueuelen is too small
can: isotp: add symbolic error message to isotp_module_init()
can: isotp: change error format from decimal to symbolic error names
can: proc: remove unnecessary variables
can: uapi: introduce CANFD_FDF flag for mixed content in struct canfd_frame
can: uapi: update CAN-FD frame description
dt-bindings: can: rcar_canfd: Convert to json-schema
...
====================
Link: https://lore.kernel.org/r/20210527084532.1384031-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski
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5ada57a9a6 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
cdc-wdm: s/kill_urbs/poison_urbs/ to fix build Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Oliver Hartkopp
|
0254688422 |
can: uapi: introduce CANFD_FDF flag for mixed content in struct canfd_frame
The struct can_frame and struct canfd_frame intentionally share the same layout to be able to write CAN frame content into a CAN FD frame structure. When this is done the former differentiation via CAN_MTU / CANFD_MTU is lost. CANFD_FDF allows programmers to mark CAN FD frames in the case of using struct canfd_frame for mixed CAN/CAN FD content (dual use). N.B. the Kernel APIs do NOT provide mixed CAN / CAN FD content inside of struct canfd_frame therefore the CANFD_FDF flag is disregarded by Linux. Link: https://lore.kernel.org/r/20170411134343.3089-1-socketcan@hartkopp.net Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> |
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Marc Kleine-Budde
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7e97d274db |
can: uapi: update CAN-FD frame description
Since an early version of the CAN-FD specification the bit that defines a CAN-FD frame on the wire, has been renamed from Extended Data Length (EDL) to FD Frame (FDF). To avoid confusion, update the struct canfd_frame description in the UAPI headers accordingly. Link: https://lore.kernel.org/r/20210517113727.77597-1-mkl@pengutronix.de Suggested-by: Ayoub Kaanich <kayoub5@live.com> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> |
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Linus Torvalds
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a0e31f3a38 |
Merge branch 'for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull siginfo fix from Eric Biederman:
"During the merge window an issue with si_perf and the siginfo ABI came
up. The alpha and sparc siginfo structure layout had changed with the
addition of SIGTRAP TRAP_PERF and the new field si_perf.
The reason only alpha and sparc were affected is that they are the
only architectures that use si_trapno.
Looking deeper it was discovered that si_trapno is used for only a few
select signals on alpha and sparc, and that none of the other
_sigfault fields past si_addr are used at all. Which means technically
no regression on alpha and sparc.
While the alignment concerns might be dismissed the abuse of si_errno
by SIGTRAP TRAP_PERF does have the potential to cause regressions in
existing userspace.
While we still have time before userspace starts using and depending
on the new definition siginfo for SIGTRAP TRAP_PERF this set of
changes cleans up siginfo_t.
- The si_trapno field is demoted from magic alpha and sparc status
and made an ordinary union member of the _sigfault member of
siginfo_t. Without moving it of course.
- si_perf is replaced with si_perf_data and si_perf_type ending the
abuse of si_errno.
- Unnecessary additions to signalfd_siginfo are removed"
* 'for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
signalfd: Remove SIL_PERF_EVENT fields from signalfd_siginfo
signal: Deliver all of the siginfo perf data in _perf
signal: Factor force_sig_perf out of perf_sigtrap
signal: Implement SIL_FAULT_TRAPNO
siginfo: Move si_trapno inside the union inside _si_fault
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Linus Torvalds
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50f09a3dd5 |
Char/misc driver fixes for 5.13-rc3
Here is a big set of char/misc/other driver fixes for 5.13-rc3. The majority here is the fallout of the umn.edu re-review of all prior submissions. That resulted in a bunch of reverts along with the "correct" changes made, such that there is no regression of any of the potential fixes that were made by those individuals. I would like to thank the over 80 different developers who helped with the review and fixes for this mess. Other than that, there's a few habanna driver fixes for reported issues, and some dyndbg fixes for reported problems. All of these have been in linux-next for a while with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYKZCBg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynhRQCdGk6ri4oluyn/Z/2KAjvXDOmTmvgAn12VP42d S1Zmh4qRH2OWaLOBg7c2 =qtxj -----END PGP SIGNATURE----- Merge tag 'char-misc-5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here is a big set of char/misc/other driver fixes for 5.13-rc3. The majority here is the fallout of the umn.edu re-review of all prior submissions. That resulted in a bunch of reverts along with the "correct" changes made, such that there is no regression of any of the potential fixes that were made by those individuals. I would like to thank the over 80 different developers who helped with the review and fixes for this mess. Other than that, there's a few habanna driver fixes for reported issues, and some dyndbg fixes for reported problems. All of these have been in linux-next for a while with no reported problems" * tag 'char-misc-5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (82 commits) misc: eeprom: at24: check suspend status before disable regulator uio_hv_generic: Fix another memory leak in error handling paths uio_hv_generic: Fix a memory leak in error handling paths uio/uio_pci_generic: fix return value changed in refactoring Revert "Revert "ALSA: usx2y: Fix potential NULL pointer dereference"" dyndbg: drop uninformative vpr_info dyndbg: avoid calling dyndbg_emit_prefix when it has no work binder: Return EFAULT if we fail BINDER_ENABLE_ONEWAY_SPAM_DETECTION cdrom: gdrom: initialize global variable at init time brcmfmac: properly check for bus register errors Revert "brcmfmac: add a check for the status of usb_register" video: imsttfb: check for ioremap() failures Revert "video: imsttfb: fix potential NULL pointer dereferences" net: liquidio: Add missing null pointer checks Revert "net: liquidio: fix a NULL pointer dereference" media: gspca: properly check for errors in po1030_probe() Revert "media: gspca: Check the return value of write_bridge for timeout" media: gspca: mt9m111: Check write_bridge for timeout Revert "media: gspca: mt9m111: Check write_bridge for timeout" media: dvb: Add check on sp8870_readreg return ... |
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David S. Miller
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7b16509b29 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says: ==================== pull-request: bpf-next 2021-05-19 The following pull-request contains BPF updates for your *net-next* tree. We've added 43 non-merge commits during the last 11 day(s) which contain a total of 74 files changed, 3717 insertions(+), 578 deletions(-). The main changes are: 1) syscall program type, fd array, and light skeleton, from Alexei. 2) Stop emitting static variables in skeleton, from Andrii. 3) Low level tc-bpf api, from Kumar. 4) Reduce verifier kmalloc/kfree churn, from Lorenz. ==================== |
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Alexei Starovoitov
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5d67f34959 |
bpf: Add cmd alias BPF_PROG_RUN
Add BPF_PROG_RUN command as an alias to BPF_RPOG_TEST_RUN to better indicate the full range of use cases done by the command. Suggested-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20210519014032.20908-1-alexei.starovoitov@gmail.com |
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Alexei Starovoitov
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3abea08924 |
bpf: Add bpf_sys_close() helper.
Add bpf_sys_close() helper to be used by the syscall/loader program to close intermediate FDs and other cleanup. Note this helper must never be allowed inside fdget/fdput bracketing. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-11-alexei.starovoitov@gmail.com |
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Alexei Starovoitov
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3d78417b60 |
bpf: Add bpf_btf_find_by_name_kind() helper.
Add new helper: long bpf_btf_find_by_name_kind(char *name, int name_sz, u32 kind, int flags) Description Find BTF type with given name and kind in vmlinux BTF or in module's BTFs. Return Returns btf_id and btf_obj_fd in lower and upper 32 bits. It will be used by loader program to find btf_id to attach the program to and to find btf_ids of ksyms. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-10-alexei.starovoitov@gmail.com |
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Alexei Starovoitov
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387544bfa2 |
bpf: Introduce fd_idx
Typical program loading sequence involves creating bpf maps and applying map FDs into bpf instructions in various places in the bpf program. This job is done by libbpf that is using compiler generated ELF relocations to patch certain instruction after maps are created and BTFs are loaded. The goal of fd_idx is to allow bpf instructions to stay immutable after compilation. At load time the libbpf would still create maps as usual, but it wouldn't need to patch instructions. It would store map_fds into __u32 fd_array[] and would pass that pointer to sys_bpf(BPF_PROG_LOAD). Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-9-alexei.starovoitov@gmail.com |
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Alexei Starovoitov
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79a7f8bdb1 |
bpf: Introduce bpf_sys_bpf() helper and program type.
Add placeholders for bpf_sys_bpf() helper and new program type. Make sure to check that expected_attach_type is zero for future extensibility. Allow tracing helper functions to be used in this program type, since they will only execute from user context via bpf_prog_test_run. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210514003623.28033-2-alexei.starovoitov@gmail.com |
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Eric W. Biederman
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922e301304 |
signalfd: Remove SIL_PERF_EVENT fields from signalfd_siginfo
With the addition of ssi_perf_data and ssi_perf_type struct signalfd_siginfo is dangerously close to running out of space. All that remains is just enough space for two additional 64bit fields. A practice of adding all possible siginfo_t fields into struct singalfd_siginfo can not be supported as adding the missing fields ssi_lower, ssi_upper, and ssi_pkey would require two 64bit fields and one 32bit fields. In practice the fields ssi_perf_data and ssi_perf_type can never be used by signalfd as the signal that generates them always delivers them synchronously to the thread that triggers them. Therefore until someone actually needs the fields ssi_perf_data and ssi_perf_type in signalfd_siginfo remove them. This leaves a bit more room for future expansion. v1: https://lkml.kernel.org/r/20210503203814.25487-12-ebiederm@xmission.com v2: https://lkml.kernel.org/r/20210505141101.11519-12-ebiederm@xmission.com Link: https://lkml.kernel.org/r/20210517195748.8880-5-ebiederm@xmission.com Reviewed-by: Marco Elver <elver@google.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> |
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Eric W. Biederman
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0683b53197 |
signal: Deliver all of the siginfo perf data in _perf
Don't abuse si_errno and deliver all of the perf data in _perf member of siginfo_t. Note: The data field in the perf data structures in a u64 to allow a pointer to be encoded without needed to implement a 32bit and 64bit version of the same structure. There already exists a 32bit and 64bit versions siginfo_t, and the 32bit version can not include a 64bit member as it only has 32bit alignment. So unsigned long is used in siginfo_t instead of a u64 as unsigned long can encode a pointer on all architectures linux supports. v1: https://lkml.kernel.org/r/m11rarqqx2.fsf_-_@fess.ebiederm.org v2: https://lkml.kernel.org/r/20210503203814.25487-10-ebiederm@xmission.com v3: https://lkml.kernel.org/r/20210505141101.11519-11-ebiederm@xmission.com Link: https://lkml.kernel.org/r/20210517195748.8880-4-ebiederm@xmission.com Reviewed-by: Marco Elver <elver@google.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> |
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Eric W. Biederman
|
add0b32ef9 |
siginfo: Move si_trapno inside the union inside _si_fault
It turns out that linux uses si_trapno very sparingly, and as such it can be considered extra information for a very narrow selection of signals, rather than information that is present with every fault reported in siginfo. As such move si_trapno inside the union inside of _si_fault. This results in no change in placement, and makes it eaiser to extend _si_fault in the future as this reduces the number of special cases. In particular with si_trapno included in the union it is no longer a concern that the union must be pointer aligned on most architectures because the union follows immediately after si_addr which is a pointer. This change results in a difference in siginfo field placement on sparc and alpha for the fields si_addr_lsb, si_lower, si_upper, si_pkey, and si_perf. These architectures do not implement the signals that would use si_addr_lsb, si_lower, si_upper, si_pkey, and si_perf. Further these architecture have not yet implemented the userspace that would use si_perf. The point of this change is in fact to correct these placement issues before sparc or alpha grow userspace that cares. This change was discussed[1] and the agreement is that this change is currently safe. [1]: https://lkml.kernel.org/r/CAK8P3a0+uKYwL1NhY6Hvtieghba2hKYGD6hcKx5n8=4Gtt+pHA@mail.gmail.com Acked-by: Marco Elver <elver@google.com> v1: https://lkml.kernel.org/r/m1tunns7yf.fsf_-_@fess.ebiederm.org v2: https://lkml.kernel.org/r/20210505141101.11519-5-ebiederm@xmission.com Link: https://lkml.kernel.org/r/20210517195748.8880-1-ebiederm@xmission.com Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> |
||
|
Linus Torvalds
|
8f4ae0f68c |
block-5.13-2021-05-14
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Merge tag 'block-5.13-2021-05-14' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Fix for shared tag set exit (Bart)
- Correct ioctl range for zoned ioctls (Damien)
- Removed dead/unused function (Lin)
- Fix perf regression for shared tags (Ming)
- Fix out-of-bounds issue with kyber and preemption (Omar)
- BFQ merge fix (Paolo)
- Two error handling fixes for nbd (Sun)
- Fix weight update in blk-iocost (Tejun)
- NVMe pull request (Christoph):
- correct the check for using the inline bio in nvmet (Chaitanya
Kulkarni)
- demote unsupported command warnings (Chaitanya Kulkarni)
- fix corruption due to double initializing ANA state (me, Hou Pu)
- reset ns->file when open fails (Daniel Wagner)
- fix a NULL deref when SEND is completed with error in nvmet-rdma
(Michal Kalderon)
- Fix kernel-doc warning (Bart)
* tag 'block-5.13-2021-05-14' of git://git.kernel.dk/linux-block:
block/partitions/efi.c: Fix the efi_partition() kernel-doc header
blk-mq: Swap two calls in blk_mq_exit_queue()
blk-mq: plug request for shared sbitmap
nvmet: use new ana_log_size instead the old one
nvmet: seset ns->file when open fails
nbd: share nbd_put and return by goto put_nbd
nbd: Fix NULL pointer in flush_workqueue
blkdev.h: remove unused codes blk_account_rq
block, bfq: avoid circular stable merges
blk-iocost: fix weight updates of inner active iocgs
nvmet: demote fabrics cmd parse err msg to debug
nvmet: use helper to remove the duplicate code
nvmet: demote discovery cmd parse err msg to debug
nvmet-rdma: Fix NULL deref when SEND is completed with error
nvmet: fix inline bio check for passthru
nvmet: fix inline bio check for bdev-ns
nvme-multipath: fix double initialization of ANA state
kyber: fix out of bounds access when preempted
block: uapi: fix comment about block device ioctl
|
||
|
Linus Lüssing
|
b7fb091654 |
net: bridge: mcast: add ip4+ip6 mcast router timers to mdb netlink
Now that we have split the multicast router state into two, one for IPv4 and one for IPv6, also add individual timers to the mdb netlink router port dump. Leaving the old timer attribute for backwards compatibility. Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Damien Le Moal
|
63c8af5687 |
block: uapi: fix comment about block device ioctl
Fix the comment mentioning ioctl command range used for zoned block devices to reflect the range of commands actually implemented. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Link: https://lore.kernel.org/r/20210509234806.3000-1-damien.lemoal@wdc.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Greg Kroah-Hartman
|
ba2b062ffa |
This tag contains the following fixes for 5.13-rc2:
- Expose PLL information per ASIC. This also fixes some casting warnings. - Skip reading further firmware errors in case PCI link is down. - Security firmware error should be handled as error and not warning. - Allow user to ignore firmware errors. - Fix bug in timeout calculation when waiting for interrupt of CS. - Fix bug of potential use-after-free. -----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEE7TEboABC71LctBLFZR1NuKta54AFAmCWTaoTHG9nYWJiYXlA a2VybmVsLm9yZwAKCRBlHU24q1rngMgUB/4gep0fP5vP71R4vsjdlKFkuf/1+b9/ oUJbI5ujWLuJGJpxpv1pZfy/miT4hOIYgxR5jRXa7NJMabW4+PBO7lufif9nsFb9 D4BG/2hAWJLoSdmSlNaRhswScDVjfQBpQPtKBUZPs7YOebNjVCdXBoFwKSFHeWV/ L3zs2/zelCqz8l+F3UFi7Pix+SZCOruah9iAPQaluhQvYEiz6BH5mnz+rm2v7X/X 0/ySpKmtpBcRiL736s9tAZpGjgkfT6Ujdv4qWywX6YPVndoaWLbZlkwm/FGH9SwL KLE9bx0xi9u1b8bVN4OltV37g4cH7dqfktXYS0AP4S2lnjTkMCoUmzu0 =7Lkr -----END PGP SIGNATURE----- Merge tag 'misc-habanalabs-fixes-2021-05-08' of https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux into char-misc-linus Oded writes: This tag contains the following fixes for 5.13-rc2: - Expose PLL information per ASIC. This also fixes some casting warnings. - Skip reading further firmware errors in case PCI link is down. - Security firmware error should be handled as error and not warning. - Allow user to ignore firmware errors. - Fix bug in timeout calculation when waiting for interrupt of CS. - Fix bug of potential use-after-free. * tag 'misc-habanalabs-fixes-2021-05-08' of https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux: habanalabs/gaudi: Fix a potential use after free in gaudi_memset_device_memory habanalabs: wait for interrupt wrong timeout calculation habanalabs: ignore f/w status error habanalabs: change error level of security not ready habanalabs: skip reading f/w errors on bad status habanalabs: expose ASIC specific PLL index |
||
|
Linus Torvalds
|
fc858a5231 |
Networking fixes for 5.13-rc1, including fixes from bpf, can
and netfilter trees. Self-contained fixes, nothing risky.
Current release - new code bugs:
- dsa: ksz: fix a few bugs found by static-checker in the new driver
- stmmac: fix frame preemption handshake not triggering after
interface restart
Previous releases - regressions:
- make nla_strcmp handle more then one trailing null character
- fix stack OOB reads while fragmenting IPv4 packets in openvswitch
and net/sched
- sctp: do asoc update earlier in sctp_sf_do_dupcook_a
- sctp: delay auto_asconf init until binding the first addr
- stmmac: clear receive all(RA) bit when promiscuous mode is off
- can: mcp251x: fix resume from sleep before interface was brought up
Previous releases - always broken:
- bpf: fix leakage of uninitialized bpf stack under speculation
- bpf: fix masking negation logic upon negative dst register
- netfilter: don't assume that skb_header_pointer() will never fail
- only allow init netns to set default tcp cong to a restricted algo
- xsk: fix xp_aligned_validate_desc() when len == chunk_size to
avoid false positive errors
- ethtool: fix missing NLM_F_MULTI flag when dumping
- can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
- sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b
- bridge: fix NULL-deref caused by a races between assigning
rx_handler_data and setting the IFF_BRIDGE_PORT bit
Latecomer:
- seg6: add counters support for SRv6 Behaviors
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes for 5.13-rc1, including fixes from bpf, can and
netfilter trees. Self-contained fixes, nothing risky.
Current release - new code bugs:
- dsa: ksz: fix a few bugs found by static-checker in the new driver
- stmmac: fix frame preemption handshake not triggering after
interface restart
Previous releases - regressions:
- make nla_strcmp handle more then one trailing null character
- fix stack OOB reads while fragmenting IPv4 packets in openvswitch
and net/sched
- sctp: do asoc update earlier in sctp_sf_do_dupcook_a
- sctp: delay auto_asconf init until binding the first addr
- stmmac: clear receive all(RA) bit when promiscuous mode is off
- can: mcp251x: fix resume from sleep before interface was brought up
Previous releases - always broken:
- bpf: fix leakage of uninitialized bpf stack under speculation
- bpf: fix masking negation logic upon negative dst register
- netfilter: don't assume that skb_header_pointer() will never fail
- only allow init netns to set default tcp cong to a restricted algo
- xsk: fix xp_aligned_validate_desc() when len == chunk_size to avoid
false positive errors
- ethtool: fix missing NLM_F_MULTI flag when dumping
- can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
- sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b
- bridge: fix NULL-deref caused by a races between assigning
rx_handler_data and setting the IFF_BRIDGE_PORT bit
Latecomer:
- seg6: add counters support for SRv6 Behaviors"
* tag 'net-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (73 commits)
atm: firestream: Use fallthrough pseudo-keyword
net: stmmac: Do not enable RX FIFO overflow interrupts
mptcp: fix splat when closing unaccepted socket
i40e: Remove LLDP frame filters
i40e: Fix PHY type identifiers for 2.5G and 5G adapters
i40e: fix the restart auto-negotiation after FEC modified
i40e: Fix use-after-free in i40e_client_subtask()
i40e: fix broken XDP support
netfilter: nftables: avoid potential overflows on 32bit arches
netfilter: nftables: avoid overflows in nft_hash_buckets()
tcp: Specify cmsgbuf is user pointer for receive zerocopy.
mlxsw: spectrum_mr: Update egress RIF list before route's action
net: ipa: fix inter-EE IRQ register definitions
can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
can: mcp251x: fix resume from sleep before interface was brought up
can: mcp251xfd: mcp251xfd_probe(): add missing can_rx_offload_del() in error path
can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe
netfilter: nftables: Fix a memleak from userdata error path in new objects
netfilter: remove BUG_ON() after skb_header_pointer()
netfilter: nfnetlink_osf: Fix a missing skb_header_pointer() NULL check
...
|
||
|
Bharat Jauhari
|
285c0faddc |
habanalabs: expose ASIC specific PLL index
Currently the user cannot interpret the PLL information based on index as its exposed as an integer. This commit exposes ASIC specific PLL indexes and maps it to a generic FW compatible index. Signed-off-by: Bharat Jauhari <bjauhari@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org> |
||
|
Linus Torvalds
|
a48b0872e6 |
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton: "This is everything else from -mm for this merge window. 90 patches. Subsystems affected by this patch series: mm (cleanups and slub), alpha, procfs, sysctl, misc, core-kernel, bitmap, lib, compat, checkpatch, epoll, isofs, nilfs2, hpfs, exit, fork, kexec, gcov, panic, delayacct, gdb, resource, selftests, async, initramfs, ipc, drivers/char, and spelling" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (90 commits) mm: fix typos in comments mm: fix typos in comments treewide: remove editor modelines and cruft ipc/sem.c: spelling fix fs: fat: fix spelling typo of values kernel/sys.c: fix typo kernel/up.c: fix typo kernel/user_namespace.c: fix typos kernel/umh.c: fix some spelling mistakes include/linux/pgtable.h: few spelling fixes mm/slab.c: fix spelling mistake "disired" -> "desired" scripts/spelling.txt: add "overflw" scripts/spelling.txt: Add "diabled" typo scripts/spelling.txt: add "overlfow" arm: print alloc free paths for address in registers mm/vmalloc: remove vwrite() mm: remove xlate_dev_kmem_ptr() drivers/char: remove /dev/kmem for good mm: fix some typos and code style problems ipc/sem.c: mundane typo fixes ... |
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|
Masahiro Yamada
|
fa60ce2cb4 |
treewide: remove editor modelines and cruft
The section "19) Editor modelines and other cruft" in Documentation/process/coding-style.rst clearly says, "Do not include any of these in source files." I recently receive a patch to explicitly add a new one. Let's do treewide cleanups, otherwise some people follow the existing code and attempt to upstream their favoriate editor setups. It is even nicer if scripts/checkpatch.pl can check it. If we like to impose coding style in an editor-independent manner, I think editorconfig (patch [1]) is a saner solution. [1] https://lore.kernel.org/lkml/20200703073143.423557-1-danny@kdrag0n.dev/ Link: https://lkml.kernel.org/r/20210324054457.1477489-1-masahiroy@kernel.org Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Miguel Ojeda <ojeda@kernel.org> [auxdisplay] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
a2de4bbddc |
VFIO updates for v5.13-rc1 pt2
- Additional mdev sample driver cleanup (Dan Carpenter) - Doc fix (Alyssa Ross) - Unbreak uAPI from NVLink2 support removal (Alex Williamson) -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEQvbATlQL0amee4qQI5ubbjuwiyIFAmCUL0YbHGFsZXgud2ls bGlhbXNvbkByZWRoYXQuY29tAAoJECObm247sIsiXmsQAJ7b9bMSSHbIJw1wDew9 TNzLOfZDbHFel+BMTiqshzNG+2RKmfumL7K7tkxP166+KK1bGnKJ7gZ7QZlucEca XE3c3NHoSsuJ+4UAo2HHGy+m4n0hNjBlqVIN8oysdj+WcW2Hj9eRVOldLM6zpw0u 93IzXzjbrHeCiFDY9bR87UVeMxvIccHCwKLSfSZlfVoSkemgD3qOUT5FQL3wu7sn 6B4ezxBlGKQS2ynboCdiO7/Z9nsx6V1S3NgdExcn9FkQEiTKACD81obVC6iK6tmh qyyeggPzE6Xebtrizp7jr1m0d6vhAXuKHeiWyDcNh/jSr/VADLi/FQS84uDMx/po ZxUJ7UsyaKWC2FcAcuG7cxAGtMdKwpLxyDmMhZgVxCS7BI6WcYAzscRa46j2s1LQ EF0t7z1YlXumKb/yQj19bsgqI2joDLIVge3HFl5cDijRtHyXtkuGt8ohjEPv2k1Z EHLYdcoIyHfail4yJQ1Dtu/Y08X54vME5hnPbpFn8EXeBAo8bmqILGFt/G6AHdEW 9EaZHHya+a4vhsW7Ja8WszkSdazXukjH20jNlfHPzA/OCPBCpwtfx6KqN5rt12Nz 8Jf+OnfRvSdg3EVD8BF9C/1+qDzzL6RfoD2JwNg1xz9IH3tKVopKm3jJ4CftdEXY H+EGBNFRT8xWJRYDXGNA0It/ =gWXJ -----END PGP SIGNATURE----- Merge tag 'vfio-v5.13-rc1pt2' of git://github.com/awilliam/linux-vfio Pull more VFIO updates from Alex Williamson: "A second small set of commits for this merge window, primarily to unbreak some deletions from our uAPI header. - Additional mdev sample driver cleanup (Dan Carpenter) - Doc fix (Alyssa Ross) - Unbreak uAPI from NVLink2 support removal (Alex Williamson)" * tag 'vfio-v5.13-rc1pt2' of git://github.com/awilliam/linux-vfio: docs: vfio: fix typo vfio/pci: Revert nvlink removal uAPI breakage vfio/mdev: remove unnecessary NULL check in mbochs_create() |
||
|
Linus Torvalds
|
939b7cbc00 |
RISC-V Patches for the 5.13 Merge Window, Part 1
* Support for the memtest= kernel command-line argument. * Support for building the kernel with FORTIFY_SOURCE. * Support for generic clockevent broadcasts. * Support for the buildtar build target. * Some build system cleanups to pass more LLVM-friendly arguments. * Support for kprobes. * A rearranged kernel memory map, the first part of supporting sv48 systems. * Improvements to kexec, along with support for kdump and crash kernels. * An alternatives-based errata framework, along with support for handling a pair of errata that manifest on some SiFive designs (including the HiFive Unmatched). * Support for XIP. * A device tree for the Microchip PolarFire ICICLE SoC and associated dev board. Along with a bunch of cleanups. There are already a handful of fixes on the list so there will likely be a part 2. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmCS4lITHHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYieZqEACSihfcOgZ/oyGWN3chca917/yCWimM DOu37Zlh81TNPgzzJwbT44IY5sg/lSecwktxs665TChiJjr3JlM4jmz+u64KOTA8 mTWhqZNr5zT9kFj/m3x0V9yYOVr9g43QRmIlc14d+8JaQDw0N8WeH/yK85/CXDSS X5gQK/e9q/yPf/NPyPuPm67jDsFnJERINWaAHI8lhA5fvFyy/xRLmSkuexchysss XOGfyxxX590jGLK1vD+5wccX7ZwfwU4jriTaxyah/VBl8QUur/xSPVyspHIdWiMG jrNXI1dg6oI861BdjryUpZI0iYJaRe5FRWUx7uTIqHfIyL/MnvYI7USVYOOPb72M yZgN903R++5NeUUVTzfXwaigTwfXAPB6USFqZpEfRAf204pgNybmznJWThAVBdYG rUixp7GsEMU3aAT2tE/iHR33JQxQfnZq8Tg43/4gB7MoACrzQrYrGcPnj9xssMyV F1hnao3dr+5Xjo3MwfkW9JvLPwvDuE3mdrdj+a0XZ45gbTJeuBhYxo3VOsFeijhQ gf/VYuoNn5iae9fiMzx5rlmFT9NJDYKDhla+BpAel84/6nRryyfCZCaE5FvDynOO CNQynaeJMIMEygPBYR9FVVCwm+EtVsz3NVFKEuo5ilQpgX8ipctxiqy2+moZALLN OWlEH6BKEgXqkw== =PsA8 -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-5.13-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: - Support for the memtest= kernel command-line argument. - Support for building the kernel with FORTIFY_SOURCE. - Support for generic clockevent broadcasts. - Support for the buildtar build target. - Some build system cleanups to pass more LLVM-friendly arguments. - Support for kprobes. - A rearranged kernel memory map, the first part of supporting sv48 systems. - Improvements to kexec, along with support for kdump and crash kernels. - An alternatives-based errata framework, along with support for handling a pair of errata that manifest on some SiFive designs (including the HiFive Unmatched). - Support for XIP. - A device tree for the Microchip PolarFire ICICLE SoC and associated dev board. ... along with a bunch of cleanups. There are already a handful of fixes on the list so there will likely be a part 2. * tag 'riscv-for-linus-5.13-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (45 commits) RISC-V: Always define XIP_FIXUP riscv: Remove 32b kernel mapping from page table dump riscv: Fix 32b kernel build with CONFIG_DEBUG_VIRTUAL=y RISC-V: Fix error code returned by riscv_hartid_to_cpuid() RISC-V: Enable Microchip PolarFire ICICLE SoC RISC-V: Initial DTS for Microchip ICICLE board dt-bindings: riscv: microchip: Add YAML documentation for the PolarFire SoC RISC-V: Add Microchip PolarFire SoC kconfig option RISC-V: enable XIP RISC-V: Add crash kernel support RISC-V: Add kdump support RISC-V: Improve init_resources() RISC-V: Add kexec support RISC-V: Add EM_RISCV to kexec UAPI header riscv: vdso: fix and clean-up Makefile riscv/mm: Use BUG_ON instead of if condition followed by BUG. riscv/kprobe: fix kernel panic when invoking sys_read traced by kprobe riscv: Set ARCH_HAS_STRICT_MODULE_RWX if MMU riscv: module: Create module allocations without exec permissions riscv: bpf: Avoid breaking W^X ... |
||
|
Linus Torvalds
|
8404c9fbc8 |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"The remainder of the main mm/ queue.
143 patches.
Subsystems affected by this patch series (all mm): pagecache, hugetlb,
userfaultfd, vmscan, compaction, migration, cma, ksm, vmstat, mmap,
kconfig, util, memory-hotplug, zswap, zsmalloc, highmem, cleanups, and
kfence"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (143 commits)
kfence: use power-efficient work queue to run delayed work
kfence: maximize allocation wait timeout duration
kfence: await for allocation using wait_event
kfence: zero guard page after out-of-bounds access
mm/process_vm_access.c: remove duplicate include
mm/mempool: minor coding style tweaks
mm/highmem.c: fix coding style issue
btrfs: use memzero_page() instead of open coded kmap pattern
iov_iter: lift memzero_page() to highmem.h
mm/zsmalloc: use BUG_ON instead of if condition followed by BUG.
mm/zswap.c: switch from strlcpy to strscpy
arm64/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
x86/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
mm,memory_hotplug: add kernel boot option to enable memmap_on_memory
acpi,memhotplug: enable MHP_MEMMAP_ON_MEMORY when supported
mm,memory_hotplug: allocate memmap from the added memory range
mm,memory_hotplug: factor out adjusting present pages into adjust_present_page_count()
mm,memory_hotplug: relax fully spanned sections check
drivers/base/memory: introduce memory_block_{online,offline}
mm/memory_hotplug: remove broken locking of zone PCP structures during hot remove
...
|
||
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Linus Torvalds
|
583f2bcf86 |
- Remove duplicate error message for the amlogic driver (Tang Bin)
- Fix spellos in comments for the tegra and sun8i (Bhaskar Chowdhury) - Add the missing fifth node on the rcar_gen3 sensor (Niklas Söderlund) - Remove duplicate include in ti-bandgap (Zhang Yunkai) - Assign error code in the error path in the function thermal_of_populate_bind_params() (Jia-Ju Bai) - Fix spelling mistake in a comment 'disabed' -> 'disabled' (Colin Ian King) - Use the device name instead of auto-numbering for a better identification of the cooling device (Daniel Lezcano) - Improve a bit the division accuracy in the power allocator governor (Jeson Gao) - Enable the missing third sensor on msm8976 (Konrad Dybcio) - Add QCom tsens driver co-maintainer (Thara Gopinath) - Fix memory leak and use after free errors in the core code (Daniel Lezcano) - Add the MDM9607 compatible bindings (Konrad Dybcio) - Fix trivial spello in the copyright name for Hisilicon (Hao Fang) - Fix negative index array access when converting the frequency to power in the energy model (Brian-sy Yang) - Add support for Gen2 new PMIC support for Qcom SPMI (David Collins) - Update maintainer file for CPU cooling device section (Lukasz Luba) - Fix missing put_device on error in the Qcom tsens driver (Guangqing Zhu) - Add compatible DT binding for sm8350 (Robert Foss) - Add support for the MDM9607's tsens driver (Konrad Dybcio) - Remove duplicate error messages in thermal_mmio and the bcm2835 driver (Ruiqi Gong) - Add the Thermal Temperature Cooling driver (Zhang Rui) - Remove duplicate error messages in the Hisilicon sensor driver (Ye Bin) - Use the devm_platform_ioremap_resource_byname() function instead of a couple of corresponding calls (dingsenjie) - Sort the headers alphabetically in the ti-bandgap driver (Zhen Lei) - Add missing property in the DT thermal sensor binding (Rafał Miłecki) - Remove dead code in the ti-bandgap sensor driver (Lin Ruizhe) - Convert the BRCM DT bindings to the yaml schema (Rafał Miłecki) - Replace the thermal_notify_framework() call by a call to the thermal_zone_device_update() function. Remove the function as well as the corresponding documentation (Thara Gopinath) - Add support for the ipq8064-tsens sensor along with a set of cleanups and code preparation (Ansuel Smith) - Add a lockless __thermal_cdev_update() function to improve the locking scheme in the core code and governors (Lukasz Luba) - Fix multiple cooling device notification changes (Lukasz Luba) - Remove unneeded variable initialization (Colin Ian King) -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEGn3N4YVz0WNVyHskqDIjiipP6E8FAmCRqDIACgkQqDIjiipP 6E8O2Qf5AQvSVoN9WYRBLo1+a4mkGsJ/wHQMEsOA4FVHft5/QVkRtpMNbSiyq00O YTpNuoBqiYm/tSTyzK/5Oh+0ucgm/ef4c4dTyPjZYw2GB+3rYNRAXdX/tB6Ggjl/ oUArUCoSQZjOU6Y573B05rcHp1PVM/XL9LgD1uX76tXA1MaGvsyC0cyPRAdOANke W83BWI0XMhv8B1bZwHVB2Oft5x6HhqWBl3HKbNOmPEMtwkqqBCFAqB0wNEH88ZTf 2hyBjBoZQHdMkJsC0piMvIyAjHZiIjQB47VWz31EvKB3/E28xCqRqPViPq9QbrA5 got0+oDbxI96T024ndXRomc0SSxZnw== =5THg -----END PGP SIGNATURE----- Merge tag 'thermal-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux Pull thermal updates from Daniel Lezcano: - Remove duplicate error message for the amlogic driver (Tang Bin) - Fix spellos in comments for the tegra and sun8i (Bhaskar Chowdhury) - Add the missing fifth node on the rcar_gen3 sensor (Niklas Söderlund) - Remove duplicate include in ti-bandgap (Zhang Yunkai) - Assign error code in the error path in the function thermal_of_populate_bind_params() (Jia-Ju Bai) - Fix spelling mistake in a comment 'disabed' -> 'disabled' (Colin Ian King) - Use the device name instead of auto-numbering for a better identification of the cooling device (Daniel Lezcano) - Improve a bit the division accuracy in the power allocator governor (Jeson Gao) - Enable the missing third sensor on msm8976 (Konrad Dybcio) - Add QCom tsens driver co-maintainer (Thara Gopinath) - Fix memory leak and use after free errors in the core code (Daniel Lezcano) - Add the MDM9607 compatible bindings (Konrad Dybcio) - Fix trivial spello in the copyright name for Hisilicon (Hao Fang) - Fix negative index array access when converting the frequency to power in the energy model (Brian-sy Yang) - Add support for Gen2 new PMIC support for Qcom SPMI (David Collins) - Update maintainer file for CPU cooling device section (Lukasz Luba) - Fix missing put_device on error in the Qcom tsens driver (Guangqing Zhu) - Add compatible DT binding for sm8350 (Robert Foss) - Add support for the MDM9607's tsens driver (Konrad Dybcio) - Remove duplicate error messages in thermal_mmio and the bcm2835 driver (Ruiqi Gong) - Add the Thermal Temperature Cooling driver (Zhang Rui) - Remove duplicate error messages in the Hisilicon sensor driver (Ye Bin) - Use the devm_platform_ioremap_resource_byname() function instead of a couple of corresponding calls (dingsenjie) - Sort the headers alphabetically in the ti-bandgap driver (Zhen Lei) - Add missing property in the DT thermal sensor binding (Rafał Miłecki) - Remove dead code in the ti-bandgap sensor driver (Lin Ruizhe) - Convert the BRCM DT bindings to the yaml schema (Rafał Miłecki) - Replace the thermal_notify_framework() call by a call to the thermal_zone_device_update() function. Remove the function as well as the corresponding documentation (Thara Gopinath) - Add support for the ipq8064-tsens sensor along with a set of cleanups and code preparation (Ansuel Smith) - Add a lockless __thermal_cdev_update() function to improve the locking scheme in the core code and governors (Lukasz Luba) - Fix multiple cooling device notification changes (Lukasz Luba) - Remove unneeded variable initialization (Colin Ian King) * tag 'thermal-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (55 commits) thermal/drivers/mtk_thermal: Remove redundant initializations of several variables thermal/core/power allocator: Use the lockless __thermal_cdev_update() function thermal/core/fair share: Use the lockless __thermal_cdev_update() function thermal/core/fair share: Lock the thermal zone while looping over instances thermal/core/power_allocator: Update once cooling devices when temp is low thermal/core/power_allocator: Maintain the device statistics from going stale thermal/core: Create a helper __thermal_cdev_update() without a lock dt-bindings: thermal: tsens: Document ipq8064 bindings thermal/drivers/tsens: Add support for ipq8064-tsens thermal/drivers/tsens: Drop unused define for msm8960 thermal/drivers/tsens: Replace custom 8960 apis with generic apis thermal/drivers/tsens: Fix bug in sensor enable for msm8960 thermal/drivers/tsens: Use init_common for msm8960 thermal/drivers/tsens: Add VER_0 tsens version thermal/drivers/tsens: Convert msm8960 to reg_field thermal/drivers/tsens: Don't hardcode sensor slope Documentation: driver-api: thermal: Remove thermal_notify_framework from documentation thermal/core: Remove thermal_notify_framework iwlwifi: mvm: tt: Replace thermal_notify_framework dt-bindings: thermal: brcm,ns-thermal: Convert to the json-schema ... |
||
|
Dave Hansen
|
b6676de8d7 |
mm/vmscan: move RECLAIM* bits to uapi header
It is currently not obvious that the RECLAIM_* bits are part of the uapi since they are defined in vmscan.c. Move them to a uapi header to make it obvious. This should have no functional impact. Link: https://lkml.kernel.org/r/20210219172557.08074910@viggo.jf.intel.com Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Ben Widawsky <ben.widawsky@intel.com> Reviewed-by: Oscar Salvador <osalvador@suse.de> Acked-by: David Rientjes <rientjes@google.com> Acked-by: Christoph Lameter <cl@linux.com> Cc: Alex Shi <alex.shi@linux.alibaba.com> Cc: Daniel Wagner <dwagner@suse.de> Cc: "Tobin C. Harding" <tobin@kernel.org> Cc: Christoph Lameter <cl@linux.com> Cc: Huang Ying <ying.huang@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Qian Cai <cai@lca.pw> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Axel Rasmussen
|
f619147104 |
userfaultfd: add UFFDIO_CONTINUE ioctl
This ioctl is how userspace ought to resolve "minor" userfaults. The
idea is, userspace is notified that a minor fault has occurred. It
might change the contents of the page using its second non-UFFD mapping,
or not. Then, it calls UFFDIO_CONTINUE to tell the kernel "I have
ensured the page contents are correct, carry on setting up the mapping".
Note that it doesn't make much sense to use UFFDIO_{COPY,ZEROPAGE} for
MINOR registered VMAs. ZEROPAGE maps the VMA to the zero page; but in
the minor fault case, we already have some pre-existing underlying page.
Likewise, UFFDIO_COPY isn't useful if we have a second non-UFFD mapping.
We'd just use memcpy() or similar instead.
It turns out hugetlb_mcopy_atomic_pte() already does very close to what
we want, if an existing page is provided via `struct page **pagep`. We
already special-case the behavior a bit for the UFFDIO_ZEROPAGE case, so
just extend that design: add an enum for the three modes of operation,
and make the small adjustments needed for the MCOPY_ATOMIC_CONTINUE
case. (Basically, look up the existing page, and avoid adding the
existing page to the page cache or calling set_page_huge_active() on
it.)
Link: https://lkml.kernel.org/r/20210301222728.176417-5-axelrasmussen@google.com
Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Cc: Adam Ruprecht <ruprecht@google.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Cannon Matthews <cannonmatthews@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chinwen Chang <chinwen.chang@mediatek.com>
Cc: David Rientjes <rientjes@google.com>
Cc: "Dr . David Alan Gilbert" <dgilbert@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jann Horn <jannh@google.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Lokesh Gidra <lokeshgidra@google.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: "Michal Koutn" <mkoutny@suse.com>
Cc: Michel Lespinasse <walken@google.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Mina Almasry <almasrymina@google.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oliver Upton <oupton@google.com>
Cc: Shaohua Li <shli@fb.com>
Cc: Shawn Anastasio <shawn@anastas.io>
Cc: Steven Price <steven.price@arm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Axel Rasmussen
|
7677f7fd8b |
userfaultfd: add minor fault registration mode
Patch series "userfaultfd: add minor fault handling", v9. Overview ======== This series adds a new userfaultfd feature, UFFD_FEATURE_MINOR_HUGETLBFS. When enabled (via the UFFDIO_API ioctl), this feature means that any hugetlbfs VMAs registered with UFFDIO_REGISTER_MODE_MISSING will *also* get events for "minor" faults. By "minor" fault, I mean the following situation: Let there exist two mappings (i.e., VMAs) to the same page(s) (shared memory). One of the mappings is registered with userfaultfd (in minor mode), and the other is not. Via the non-UFFD mapping, the underlying pages have already been allocated & filled with some contents. The UFFD mapping has not yet been faulted in; when it is touched for the first time, this results in what I'm calling a "minor" fault. As a concrete example, when working with hugetlbfs, we have huge_pte_none(), but find_lock_page() finds an existing page. We also add a new ioctl to resolve such faults: UFFDIO_CONTINUE. The idea is, userspace resolves the fault by either a) doing nothing if the contents are already correct, or b) updating the underlying contents using the second, non-UFFD mapping (via memcpy/memset or similar, or something fancier like RDMA, or etc...). In either case, userspace issues UFFDIO_CONTINUE to tell the kernel "I have ensured the page contents are correct, carry on setting up the mapping". Use Case ======== Consider the use case of VM live migration (e.g. under QEMU/KVM): 1. While a VM is still running, we copy the contents of its memory to a target machine. The pages are populated on the target by writing to the non-UFFD mapping, using the setup described above. The VM is still running (and therefore its memory is likely changing), so this may be repeated several times, until we decide the target is "up to date enough". 2. We pause the VM on the source, and start executing on the target machine. During this gap, the VM's user(s) will *see* a pause, so it is desirable to minimize this window. 3. Between the last time any page was copied from the source to the target, and when the VM was paused, the contents of that page may have changed - and therefore the copy we have on the target machine is out of date. Although we can keep track of which pages are out of date, for VMs with large amounts of memory, it is "slow" to transfer this information to the target machine. We want to resume execution before such a transfer would complete. 4. So, the guest begins executing on the target machine. The first time it touches its memory (via the UFFD-registered mapping), userspace wants to intercept this fault. Userspace checks whether or not the page is up to date, and if not, copies the updated page from the source machine, via the non-UFFD mapping. Finally, whether a copy was performed or not, userspace issues a UFFDIO_CONTINUE ioctl to tell the kernel "I have ensured the page contents are correct, carry on setting up the mapping". We don't have to do all of the final updates on-demand. The userfaultfd manager can, in the background, also copy over updated pages once it receives the map of which pages are up-to-date or not. Interaction with Existing APIs ============================== Because this is a feature, a registered VMA could potentially receive both missing and minor faults. I spent some time thinking through how the existing API interacts with the new feature: UFFDIO_CONTINUE cannot be used to resolve non-minor faults, as it does not allocate a new page. If UFFDIO_CONTINUE is used on a non-minor fault: - For non-shared memory or shmem, -EINVAL is returned. - For hugetlb, -EFAULT is returned. UFFDIO_COPY and UFFDIO_ZEROPAGE cannot be used to resolve minor faults. Without modifications, the existing codepath assumes a new page needs to be allocated. This is okay, since userspace must have a second non-UFFD-registered mapping anyway, thus there isn't much reason to want to use these in any case (just memcpy or memset or similar). - If UFFDIO_COPY is used on a minor fault, -EEXIST is returned. - If UFFDIO_ZEROPAGE is used on a minor fault, -EEXIST is returned (or -EINVAL in the case of hugetlb, as UFFDIO_ZEROPAGE is unsupported in any case). - UFFDIO_WRITEPROTECT simply doesn't work with shared memory, and returns -ENOENT in that case (regardless of the kind of fault). Future Work =========== This series only supports hugetlbfs. I have a second series in flight to support shmem as well, extending the functionality. This series is more mature than the shmem support at this point, and the functionality works fully on hugetlbfs, so this series can be merged first and then shmem support will follow. This patch (of 6): This feature allows userspace to intercept "minor" faults. By "minor" faults, I mean the following situation: Let there exist two mappings (i.e., VMAs) to the same page(s). One of the mappings is registered with userfaultfd (in minor mode), and the other is not. Via the non-UFFD mapping, the underlying pages have already been allocated & filled with some contents. The UFFD mapping has not yet been faulted in; when it is touched for the first time, this results in what I'm calling a "minor" fault. As a concrete example, when working with hugetlbfs, we have huge_pte_none(), but find_lock_page() finds an existing page. This commit adds the new registration mode, and sets the relevant flag on the VMAs being registered. In the hugetlb fault path, if we find that we have huge_pte_none(), but find_lock_page() does indeed find an existing page, then we have a "minor" fault, and if the VMA has the userfaultfd registration flag, we call into userfaultfd to handle it. This is implemented as a new registration mode, instead of an API feature. This is because the alternative implementation has significant drawbacks [1]. However, doing it this was requires we allocate a VM_* flag for the new registration mode. On 32-bit systems, there are no unused bits, so this feature is only supported on architectures with CONFIG_ARCH_USES_HIGH_VMA_FLAGS. When attempting to register a VMA in MINOR mode on 32-bit architectures, we return -EINVAL. [1] https://lore.kernel.org/patchwork/patch/1380226/ [peterx@redhat.com: fix minor fault page leak] Link: https://lkml.kernel.org/r/20210322175132.36659-1-peterx@redhat.com Link: https://lkml.kernel.org/r/20210301222728.176417-1-axelrasmussen@google.com Link: https://lkml.kernel.org/r/20210301222728.176417-2-axelrasmussen@google.com Signed-off-by: Axel Rasmussen <axelrasmussen@google.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chinwen Chang <chinwen.chang@mediatek.com> Cc: Huang Ying <ying.huang@intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Lokesh Gidra <lokeshgidra@google.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Michal Koutn" <mkoutny@suse.com> Cc: Michel Lespinasse <walken@google.com> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Peter Xu <peterx@redhat.com> Cc: Shaohua Li <shli@fb.com> Cc: Shawn Anastasio <shawn@anastas.io> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Steven Price <steven.price@arm.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Adam Ruprecht <ruprecht@google.com> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: Cannon Matthews <cannonmatthews@google.com> Cc: "Dr . David Alan Gilbert" <dgilbert@redhat.com> Cc: David Rientjes <rientjes@google.com> Cc: Mina Almasry <almasrymina@google.com> Cc: Oliver Upton <oupton@google.com> Cc: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Alex Williamson
|
77b8aeb9da |
vfio/pci: Revert nvlink removal uAPI breakage
Revert the uAPI changes from the below commit with notice that these
regions and capabilities are no longer provided.
Fixes:
|
||
|
Linus Torvalds
|
a01d9524ca |
rpmsg updates for v5.13
In addition to some bug fixes and cleanups this adds support for exposing the virtio based transport to user space using the rpmsg_char driver. -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmCRYXsbHGJqb3JuLmFu ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3FXiEP/RC4cXMaHCtIKvXDbwwB yP0Gl+gnP1LEEK8IkD5PJVzS5oi/s6KGct4x3EadvQEq42uJCxskbYZMN/R+wMGd XTz2N0Bt7wErLQznD0dqDCdpihrkoao1zSu4rSDlnBzRZEGuWQBgTTeiEPh1sVXF 40r2zuUrvkERKG27DsflbE15Iqaz3ZoEc7X/0Mv9YQtBV+0HTtd6n0X8Vus6JcGR un7t9Op9SlvYcEtsyqCewNrgpJhb9orpWDnIV+V7VXrvEBr0UOat881t2QZN3geM pdIo+bU66VnqWy8Rd2g5zJl9jHr5C8YbpTgUy0+WFAjNu6CV0sW9jlMFKBMxMrDi XpKqj/4TUqTvdSe30Y70/HdCQelbFVxNEFljX86hqD2Isg6P5DAe2GKDApt1SsMo apy6Snp0F4JTL8rb0g5e/WUnWh11bKyhFSYFKnzPZKpQWfE0ppfOLKfDMlvksxyI IZIqVz87VVu2itVPuYAvSBTtL+5KQP1U39LIOrX4y9Y3eordlbjIMU1wiem7uU3c B3VYgaJY0iElElNqyrGZWvJxHuJf/IgOqg4V2P8x5fcw+vmSuz2prS6a2kU8doKU D3cZrIpSGZLBfJw47bOBsdEnVNh16gC+TbGuh/hzEA+wJ+nu/haLl/KQf6yUQd24 ifIRQ0csTeptssTb/5rjLtNf =pv2g -----END PGP SIGNATURE----- Merge tag 'rpmsg-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc Pull rpmsg updates from Bjorn Andersson: "In addition to some bug fixes and cleanups this adds support for exposing the virtio based transport to user space using the rpmsg_char driver" * tag 'rpmsg-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: rpmsg: qcom_glink_native: fix error return code of qcom_glink_rx_data() rpmsg: char: Return an error if device already open rpmsg: virtio: Register the rpmsg_char device rpmsg: char: Use rpmsg_sendto to specify the message destination address rpmsg: Add short description of the IOCTL defined in UAPI. rpmsg: Move RPMSG_ADDR_ANY in user API rpmsg: char: Rename rpmsg_char_init to rpmsg_chrdev_init |
||
|
Pablo Neira Ayuso
|
c7d13358b6 |
netfilter: xt_SECMARK: add new revision to fix structure layout
This extension breaks when trying to delete rules, add a new revision to
fix this.
Fixes:
|
||
|
Linus Torvalds
|
17ae69aba8 |
Add Landlock, a new LSM from Mickaël Salaün <mic@linux.microsoft.com>
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Merge tag 'landlock_v34' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull Landlock LSM from James Morris:
"Add Landlock, a new LSM from Mickaël Salaün.
Briefly, Landlock provides for unprivileged application sandboxing.
From Mickaël's cover letter:
"The goal of Landlock is to enable to restrict ambient rights (e.g.
global filesystem access) for a set of processes. Because Landlock
is a stackable LSM [1], it makes possible to create safe security
sandboxes as new security layers in addition to the existing
system-wide access-controls. This kind of sandbox is expected to
help mitigate the security impact of bugs or unexpected/malicious
behaviors in user-space applications. Landlock empowers any
process, including unprivileged ones, to securely restrict
themselves.
Landlock is inspired by seccomp-bpf but instead of filtering
syscalls and their raw arguments, a Landlock rule can restrict the
use of kernel objects like file hierarchies, according to the
kernel semantic. Landlock also takes inspiration from other OS
sandbox mechanisms: XNU Sandbox, FreeBSD Capsicum or OpenBSD
Pledge/Unveil.
In this current form, Landlock misses some access-control features.
This enables to minimize this patch series and ease review. This
series still addresses multiple use cases, especially with the
combined use of seccomp-bpf: applications with built-in sandboxing,
init systems, security sandbox tools and security-oriented APIs [2]"
The cover letter and v34 posting is here:
https://lore.kernel.org/linux-security-module/20210422154123.13086-1-mic@digikod.net/
See also:
https://landlock.io/
This code has had extensive design discussion and review over several
years"
Link: https://lore.kernel.org/lkml/50db058a-7dde-441b-a7f9-f6837fe8b69f@schaufler-ca.com/ [1]
Link: https://lore.kernel.org/lkml/f646e1c7-33cf-333f-070c-0a40ad0468cd@digikod.net/ [2]
* tag 'landlock_v34' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
landlock: Enable user space to infer supported features
landlock: Add user and kernel documentation
samples/landlock: Add a sandbox manager example
selftests/landlock: Add user space tests
landlock: Add syscall implementations
arch: Wire up Landlock syscalls
fs,security: Add sb_delete hook
landlock: Support filesystem access-control
LSM: Infrastructure management of the superblock
landlock: Add ptrace restrictions
landlock: Set up the security framework and manage credentials
landlock: Add ruleset and domain management
landlock: Add object management
|
||
|
Linus Torvalds
|
7af81cd0c4 |
- Improve scalability of DM's device hash by switching to rbtree
- Extend DM ioctl's DM_LIST_DEVICES_CMD handling to include UUID and
allow filtering based on name or UUID prefix.
- Various small fixes for typos, warnings, unused function, or
needlessly exported interfaces.
- Remove needless request_queue NULL pointer checks in DM thin and
cache targets.
- Remove unnecessary loop in DM core's __split_and_process_bio().
- Remove DM core's dm_vcalloc() and just use kvcalloc or
kvmalloc_array instead (depending whether zeroing is useful).
- Fix request-based DM's double free of blk_mq_tag_set in device
remove after table load fails.
- Improve DM persistent data performance on non-x86 by fixing packed
structs to have a stated alignment. Also remove needless extra work
from redundant calls to sm_disk_get_nr_free() and a paranoid BUG_ON()
that caused duplicate checksum calculation.
- Fix missing goto in DM integrity's bitmap_flush_interval error
handling.
- Add "reset_recalculate" feature flag to DM integrity.
- Improve DM integrity by leveraging discard support to avoid needless
re-writing of metadata and also use discard support to improve
hash recalculation.
- Fix race with DM raid target's reshape and MD raid4/5/6 resync that
resulted in inconsistant reshape state during table reloads.
- Update DM raid target to temove unnecessary discard limits for raid0
and raid10 now that MD has optimized discard handling for both raid
levels.
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Merge tag 'for-5.13/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- Improve scalability of DM's device hash by switching to rbtree
- Extend DM ioctl's DM_LIST_DEVICES_CMD handling to include UUID and
allow filtering based on name or UUID prefix.
- Various small fixes for typos, warnings, unused function, or
needlessly exported interfaces.
- Remove needless request_queue NULL pointer checks in DM thin and
cache targets.
- Remove unnecessary loop in DM core's __split_and_process_bio().
- Remove DM core's dm_vcalloc() and just use kvcalloc or kvmalloc_array
instead (depending whether zeroing is useful).
- Fix request-based DM's double free of blk_mq_tag_set in device remove
after table load fails.
- Improve DM persistent data performance on non-x86 by fixing packed
structs to have a stated alignment. Also remove needless extra work
from redundant calls to sm_disk_get_nr_free() and a paranoid BUG_ON()
that caused duplicate checksum calculation.
- Fix missing goto in DM integrity's bitmap_flush_interval error
handling.
- Add "reset_recalculate" feature flag to DM integrity.
- Improve DM integrity by leveraging discard support to avoid needless
re-writing of metadata and also use discard support to improve hash
recalculation.
- Fix race with DM raid target's reshape and MD raid4/5/6 resync that
resulted in inconsistant reshape state during table reloads.
- Update DM raid target to temove unnecessary discard limits for raid0
and raid10 now that MD has optimized discard handling for both raid
levels.
* tag 'for-5.13/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (26 commits)
dm raid: remove unnecessary discard limits for raid0 and raid10
dm rq: fix double free of blk_mq_tag_set in dev remove after table load fails
dm integrity: use discard support when recalculating
dm integrity: increase RECALC_SECTORS to improve recalculate speed
dm integrity: don't re-write metadata if discarding same blocks
dm raid: fix inconclusive reshape layout on fast raid4/5/6 table reload sequences
dm raid: fix fall-through warning in rs_check_takeover() for Clang
dm clone metadata: remove unused function
dm integrity: fix missing goto in bitmap_flush_interval error handling
dm: replace dm_vcalloc()
dm space map common: fix division bug in sm_ll_find_free_block()
dm persistent data: packed struct should have an aligned() attribute too
dm btree spine: remove paranoid node_check call in node_prep_for_write()
dm space map disk: remove redundant calls to sm_disk_get_nr_free()
dm integrity: add the "reset_recalculate" feature flag
dm persistent data: remove unused return from exit_shadow_spine()
dm cache: remove needless request_queue NULL pointer checks
dm thin: remove needless request_queue NULL pointer check
dm: unexport dm_{get,put}_table_device
dm ebs: fix a few typos
...
|
||
|
Linus Torvalds
|
152d32aa84 |
ARM:
- Stage-2 isolation for the host kernel when running in protected mode
- Guest SVE support when running in nVHE mode
- Force W^X hypervisor mappings in nVHE mode
- ITS save/restore for guests using direct injection with GICv4.1
- nVHE panics now produce readable backtraces
- Guest support for PTP using the ptp_kvm driver
- Performance improvements in the S2 fault handler
x86:
- Optimizations and cleanup of nested SVM code
- AMD: Support for virtual SPEC_CTRL
- Optimizations of the new MMU code: fast invalidation,
zap under read lock, enable/disably dirty page logging under
read lock
- /dev/kvm API for AMD SEV live migration (guest API coming soon)
- support SEV virtual machines sharing the same encryption context
- support SGX in virtual machines
- add a few more statistics
- improved directed yield heuristics
- Lots and lots of cleanups
Generic:
- Rework of MMU notifier interface, simplifying and optimizing
the architecture-specific code
- Some selftests improvements
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"This is a large update by KVM standards, including AMD PSP (Platform
Security Processor, aka "AMD Secure Technology") and ARM CoreSight
(debug and trace) changes.
ARM:
- CoreSight: Add support for ETE and TRBE
- Stage-2 isolation for the host kernel when running in protected
mode
- Guest SVE support when running in nVHE mode
- Force W^X hypervisor mappings in nVHE mode
- ITS save/restore for guests using direct injection with GICv4.1
- nVHE panics now produce readable backtraces
- Guest support for PTP using the ptp_kvm driver
- Performance improvements in the S2 fault handler
x86:
- AMD PSP driver changes
- Optimizations and cleanup of nested SVM code
- AMD: Support for virtual SPEC_CTRL
- Optimizations of the new MMU code: fast invalidation, zap under
read lock, enable/disably dirty page logging under read lock
- /dev/kvm API for AMD SEV live migration (guest API coming soon)
- support SEV virtual machines sharing the same encryption context
- support SGX in virtual machines
- add a few more statistics
- improved directed yield heuristics
- Lots and lots of cleanups
Generic:
- Rework of MMU notifier interface, simplifying and optimizing the
architecture-specific code
- a handful of "Get rid of oprofile leftovers" patches
- Some selftests improvements"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (379 commits)
KVM: selftests: Speed up set_memory_region_test
selftests: kvm: Fix the check of return value
KVM: x86: Take advantage of kvm_arch_dy_has_pending_interrupt()
KVM: SVM: Skip SEV cache flush if no ASIDs have been used
KVM: SVM: Remove an unnecessary prototype declaration of sev_flush_asids()
KVM: SVM: Drop redundant svm_sev_enabled() helper
KVM: SVM: Move SEV VMCB tracking allocation to sev.c
KVM: SVM: Explicitly check max SEV ASID during sev_hardware_setup()
KVM: SVM: Unconditionally invoke sev_hardware_teardown()
KVM: SVM: Enable SEV/SEV-ES functionality by default (when supported)
KVM: SVM: Condition sev_enabled and sev_es_enabled on CONFIG_KVM_AMD_SEV=y
KVM: SVM: Append "_enabled" to module-scoped SEV/SEV-ES control variables
KVM: SEV: Mask CPUID[0x8000001F].eax according to supported features
KVM: SVM: Move SEV module params/variables to sev.c
KVM: SVM: Disable SEV/SEV-ES if NPT is disabled
KVM: SVM: Free sev_asid_bitmap during init if SEV setup fails
KVM: SVM: Zero out the VMCB array used to track SEV ASID association
x86/sev: Drop redundant and potentially misleading 'sev_enabled'
KVM: x86: Move reverse CPUID helpers to separate header file
KVM: x86: Rename GPR accessors to make mode-aware variants the defaults
...
|
||
|
Linus Torvalds
|
4f9701057a |
IOMMU Updates for Linux v5.13
Including:
- Big cleanup of almost unsused parts of the IOMMU API by
Christoph Hellwig. This mostly affects the Freescale PAMU
driver.
- New IOMMU driver for Unisoc SOCs
- ARM SMMU Updates from Will:
- SMMUv3: Drop vestigial PREFETCH_ADDR support
- SMMUv3: Elide TLB sync logic for empty gather
- SMMUv3: Fix "Service Failure Mode" handling
- SMMUv2: New Qualcomm compatible string
- Removal of the AMD IOMMU performance counter writeable check
on AMD. It caused long boot delays on some machines and is
only needed to work around an errata on some older (possibly
pre-production) chips. If someone is still hit by this
hardware issue anyway the performance counters will just
return 0.
- Support for targeted invalidations in the AMD IOMMU driver.
Before that the driver only invalidated a single 4k page or the
whole IO/TLB for an address space. This has been extended now
and is mostly useful for emulated AMD IOMMUs.
- Several fixes for the Shared Virtual Memory support in the
Intel VT-d driver
- Mediatek drivers can now be built as modules
- Re-introduction of the forcedac boot option which got lost
when converting the Intel VT-d driver to the common dma-iommu
implementation.
- Extension of the IOMMU device registration interface and
support iommu_ops to be const again when drivers are built as
modules.
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Merge tag 'iommu-updates-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- Big cleanup of almost unsused parts of the IOMMU API by Christoph
Hellwig. This mostly affects the Freescale PAMU driver.
- New IOMMU driver for Unisoc SOCs
- ARM SMMU Updates from Will:
- Drop vestigial PREFETCH_ADDR support (SMMUv3)
- Elide TLB sync logic for empty gather (SMMUv3)
- Fix "Service Failure Mode" handling (SMMUv3)
- New Qualcomm compatible string (SMMUv2)
- Removal of the AMD IOMMU performance counter writeable check on AMD.
It caused long boot delays on some machines and is only needed to
work around an errata on some older (possibly pre-production) chips.
If someone is still hit by this hardware issue anyway the performance
counters will just return 0.
- Support for targeted invalidations in the AMD IOMMU driver. Before
that the driver only invalidated a single 4k page or the whole IO/TLB
for an address space. This has been extended now and is mostly useful
for emulated AMD IOMMUs.
- Several fixes for the Shared Virtual Memory support in the Intel VT-d
driver
- Mediatek drivers can now be built as modules
- Re-introduction of the forcedac boot option which got lost when
converting the Intel VT-d driver to the common dma-iommu
implementation.
- Extension of the IOMMU device registration interface and support
iommu_ops to be const again when drivers are built as modules.
* tag 'iommu-updates-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (84 commits)
iommu: Streamline registration interface
iommu: Statically set module owner
iommu/mediatek-v1: Add error handle for mtk_iommu_probe
iommu/mediatek-v1: Avoid build fail when build as module
iommu/mediatek: Always enable the clk on resume
iommu/fsl-pamu: Fix uninitialized variable warning
iommu/vt-d: Force to flush iotlb before creating superpage
iommu/amd: Put newline after closing bracket in warning
iommu/vt-d: Fix an error handling path in 'intel_prepare_irq_remapping()'
iommu/vt-d: Fix build error of pasid_enable_wpe() with !X86
iommu/amd: Remove performance counter pre-initialization test
Revert "iommu/amd: Fix performance counter initialization"
iommu/amd: Remove duplicate check of devid
iommu/exynos: Remove unneeded local variable initialization
iommu/amd: Page-specific invalidations for more than one page
iommu/arm-smmu-v3: Remove the unused fields for PREFETCH_CONFIG command
iommu/vt-d: Avoid unnecessary cache flush in pasid entry teardown
iommu/vt-d: Invalidate PASID cache when root/context entry changed
iommu/vt-d: Remove WO permissions on second-level paging entries
iommu/vt-d: Report the right page fault address
...
|
||
|
Linus Torvalds
|
f34b2cf178 |
RDMA merge window pull request
This is significantly bug fixes and general cleanups. The noteworthy new
features are fairly small:
- XRC support for HNS and improves RQ operations
- Bug fixes and updates for hns, mlx5, bnxt_re, hfi1, i40iw, rxe, siw and
qib
- Quite a few general cleanups on spelling, error handling, static checker
detections, etc
- Increase the number of device ports supported beyond 255. High port
count software switches now exist
- Several bug fixes for rtrs
- mlx5 Device Memory support for host controlled atomics
- Report SRQ tables through to rdma-tool
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"This is significantly bug fixes and general cleanups. The noteworthy
new features are fairly small:
- XRC support for HNS and improves RQ operations
- Bug fixes and updates for hns, mlx5, bnxt_re, hfi1, i40iw, rxe, siw
and qib
- Quite a few general cleanups on spelling, error handling, static
checker detections, etc
- Increase the number of device ports supported beyond 255. High port
count software switches now exist
- Several bug fixes for rtrs
- mlx5 Device Memory support for host controlled atomics
- Report SRQ tables through to rdma-tool"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (145 commits)
IB/qib: Remove redundant assignment to ret
RDMA/nldev: Add copy-on-fork attribute to get sys command
RDMA/bnxt_re: Fix a double free in bnxt_qplib_alloc_res
RDMA/siw: Fix a use after free in siw_alloc_mr
IB/hfi1: Remove redundant variable rcd
RDMA/nldev: Add QP numbers to SRQ information
RDMA/nldev: Return SRQ information
RDMA/restrack: Add support to get resource tracking for SRQ
RDMA/nldev: Return context information
RDMA/core: Add CM to restrack after successful attachment to a device
RDMA/cma: Skip device which doesn't support CM
RDMA/rxe: Fix a bug in rxe_fill_ip_info()
RDMA/mlx5: Expose private query port
RDMA/mlx4: Remove an unused variable
RDMA/mlx5: Fix type assignment for ICM DM
IB/mlx5: Set right RoCE l3 type and roce version while deleting GID
RDMA/i40iw: Fix error unwinding when i40iw_hmc_sd_one fails
RDMA/cxgb4: add missing qpid increment
IB/ipoib: Remove unnecessary struct declaration
RDMA/bnxt_re: Get rid of custom module reference counting
...
|
||
|
Linus Torvalds
|
9ec1efbf9d |
fuse update for 5.13
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCYIwY/wAKCRDh3BK/laaZ PNSmAPwLFCBGegvwxUSguiPmIXpDrrlG+USwTzGlxhVOg2ETGgEA6D+Lsz2uCBI3 xLkPAXD6uTbWLp13YtUSMXK+LR8V5wc= =Fl+Q -----END PGP SIGNATURE----- Merge tag 'fuse-update-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse updates from Miklos Szeredi: - Fix a page locking bug in write (introduced in 2.6.26) - Allow sgid bit to be killed in setacl() - Miscellaneous fixes and cleanups * tag 'fuse-update-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: cuse: simplify refcount cuse: prevent clone virtiofs: fix userns virtiofs: remove useless function virtiofs: split requests that exceed virtqueue size virtiofs: fix memory leak in virtio_fs_probe() fuse: invalidate attrs when page writeback completes fuse: add a flag FUSE_SETXATTR_ACL_KILL_SGID to kill SGID fuse: extend FUSE_SETXATTR request fuse: fix matching of FUSE_DEV_IOC_CLONE command fuse: fix a typo fuse: don't zero pages twice fuse: fix typo for fuse_conn.max_pages comment fuse: fix write deadlock |
||
|
Linus Torvalds
|
b71428d7ab |
sound updates for 5.13
No surprises in this development cycle, and most of works are about
the fixes and the improvements of the existing code, while a new LED
control layer and a few new drivers have been introduced.
Here are some highlights:
Core:
- A common mute-LED framework was introduced;
used by HD-audio for now, more adaption will follow later.
The former "Mic Mute-LED Mode" mixer control has been replaced with
the corresponding sysfs now.
- User-control management was changed to count consumed bytes instead
of capping by number of elements;
this will allow more controls in the normal usage pattern while
avoiding the possible memory exhaustion DoS
ASoC:
- Continued refactoring and cleanups in ASoC core and generic card
drivers
- Wide range of small cppcheck and warning fixes
- New drivers for Freescale i.MX DMA over rpmsg, Mediatek MT6358
accessory detection, and Realtek RT1019, RT1316, RT711 and RT715
USB-audio:
- Continued improvements and fixes of the implicit feedback mode,
including better support for Pioneer and Roland/BOSS devices
HD-audio:
- Default back to non-buffer preallocation on x86
- Cirrus codec improvements, more quirks for Realtek codecs
Others:
- New virtio sound driver
- FireWire Bebob updates
Note that this PR includes a couple of changes in reset and SPI
drivers, too, and some merge conflicts might happen.
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Merge tag 'sound-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"No surprises in this development cycle, and most of work is about the
fixes and the improvements of the existing code, while a new LED
control layer and a few new drivers have been introduced.
Here are some highlights:
Core:
- A common mute-LED framework was introduced. It is used by HD-audio
for now, more adaption will follow later. The former "Mic Mute-LED
Mode" mixer control has been replaced with the corresponding sysfs
now.
- User-control management was changed to count consumed bytes instead
of capping by number of elements; this will allow more controls in
the normal usage pattern while avoiding the possible memory
exhaustion DoS
ASoC:
- Continued refactoring and cleanups in ASoC core and generic card
drivers
- Wide range of small cppcheck and warning fixes
- New drivers for Freescale i.MX DMA over rpmsg, Mediatek MT6358
accessory detection, and Realtek RT1019, RT1316, RT711 and RT715
USB-audio:
- Continued improvements and fixes of the implicit feedback mode,
including better support for Pioneer and Roland/BOSS devices
HD-audio:
- Default back to non-buffer preallocation on x86
- Cirrus codec improvements, more quirks for Realtek codecs
Others:
- New virtio sound driver
- FireWire Bebob updates"
* tag 'sound-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (587 commits)
ALSA: hda/conexant: Re-order CX5066 quirk table entries
ALSA: hda/realtek: Remove redundant entry for ALC861 Haier/Uniwill devices
ALSA: hda/realtek: Re-order ALC662 quirk table entries
ALSA: hda/realtek: Re-order remaining ALC269 quirk table entries
ALSA: hda/realtek: Re-order ALC269 Lenovo quirk table entries
ALSA: hda/realtek: Re-order ALC269 Sony quirk table entries
ALSA: hda/realtek: Re-order ALC269 ASUS quirk table entries
ALSA: hda/realtek: Re-order ALC269 Dell quirk table entries
ALSA: hda/realtek: Re-order ALC269 Acer quirk table entries
ALSA: hda/realtek: Re-order ALC269 HP quirk table entries
ALSA: hda/realtek: Re-order ALC882 Clevo quirk table entries
ALSA: hda/realtek: Re-order ALC882 Sony quirk table entries
ALSA: hda/realtek: Re-order ALC882 Acer quirk table entries
ALSA: usb-audio: Remove redundant assignment to len
ALSA: hda/realtek: Add quirk for Intel Clevo PCx0Dx
ALSA: virtio: fix kernel-doc
ALSA: hda/cirrus: Use CS8409 filter to fix abnormal sounds on Bullseye
ALSA: hda/cirrus: Set Initial DMIC volume for Bullseye to -26 dB
ALSA: sb: Fix two use after free in snd_sb_qsound_build
ALSA: emu8000: Fix a use after free in snd_emu8000_create_mixer
...
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Andrea Mayer
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94604548aa |
seg6: add counters support for SRv6 Behaviors
This patch provides counters for SRv6 Behaviors as defined in [1], section 6. For each SRv6 Behavior instance, counters defined in [1] are: - the total number of packets that have been correctly processed; - the total amount of traffic in bytes of all packets that have been correctly processed; In addition, this patch introduces a new counter that counts the number of packets that have NOT been properly processed (i.e. errors) by an SRv6 Behavior instance. Counters are not only interesting for network monitoring purposes (i.e. counting the number of packets processed by a given behavior) but they also provide a simple tool for checking whether a behavior instance is working as we expect or not. Counters can be useful for troubleshooting misconfigured SRv6 networks. Indeed, an SRv6 Behavior can silently drop packets for very different reasons (i.e. wrong SID configuration, interfaces set with SID addresses, etc) without any notification/message to the user. Due to the nature of SRv6 networks, diagnostic tools such as ping and traceroute may be ineffective: paths used for reaching a given router can be totally different from the ones followed by probe packets. In addition, paths are often asymmetrical and this makes it even more difficult to keep up with the journey of the packets and to understand which behaviors are actually processing our traffic. When counters are enabled on an SRv6 Behavior instance, it is possible to verify if packets are actually processed by such behavior and what is the outcome of the processing. Therefore, the counters for SRv6 Behaviors offer an non-invasive observability point which can be leveraged for both traffic monitoring and troubleshooting purposes. [1] https://www.rfc-editor.org/rfc/rfc8986.html#name-counters Troubleshooting using SRv6 Behavior counters -------------------------------------------- Let's make a brief example to see how helpful counters can be for SRv6 networks. Let's consider a node where an SRv6 End Behavior receives an SRv6 packet whose Segment Left (SL) is equal to 0. In this case, the End Behavior (which accepts only packets with SL >= 1) discards the packet and increases the error counter. This information can be leveraged by the network operator for troubleshooting. Indeed, the error counter is telling the user that the packet: (i) arrived at the node; (ii) the packet has been taken into account by the SRv6 End behavior; (iii) but an error has occurred during the processing. The error (iii) could be caused by different reasons, such as wrong route settings on the node or due to an invalid SID List carried by the SRv6 packet. Anyway, the error counter is used to exclude that the packet did not arrive at the node or it has not been processed by the behavior at all. Turning on/off counters for SRv6 Behaviors ------------------------------------------ Each SRv6 Behavior instance can be configured, at the time of its creation, to make use of counters. This is done through iproute2 which allows the user to create an SRv6 Behavior instance specifying the optional "count" attribute as shown in the following example: $ ip -6 route add 2001:db8::1 encap seg6local action End count dev eth0 per-behavior counters can be shown by adding "-s" to the iproute2 command line, i.e.: $ ip -s -6 route show 2001:db8::1 2001:db8::1 encap seg6local action End packets 0 bytes 0 errors 0 dev eth0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Impact of counters for SRv6 Behaviors on performance ==================================================== To determine the performance impact due to the introduction of counters in the SRv6 Behavior subsystem, we have carried out extensive tests. We chose to test the throughput achieved by the SRv6 End.DX2 Behavior because, among all the other behaviors implemented so far, it reaches the highest throughput which is around 1.5 Mpps (per core at 2.4 GHz on a Xeon(R) CPU E5-2630 v3) on kernel 5.12-rc2 using packets of size ~ 100 bytes. Three different tests were conducted in order to evaluate the overall throughput of the SRv6 End.DX2 Behavior in the following scenarios: 1) vanilla kernel (without the SRv6 Behavior counters patch) and a single instance of an SRv6 End.DX2 Behavior; 2) patched kernel with SRv6 Behavior counters and a single instance of an SRv6 End.DX2 Behavior with counters turned off; 3) patched kernel with SRv6 Behavior counters and a single instance of SRv6 End.DX2 Behavior with counters turned on. All tests were performed on a testbed deployed on the CloudLab facilities [2], a flexible infrastructure dedicated to scientific research on the future of Cloud Computing. Results of tests are shown in the following table: Scenario (1): average 1504764,81 pps (~1504,76 kpps); std. dev 3956,82 pps Scenario (2): average 1501469,78 pps (~1501,47 kpps); std. dev 2979,85 pps Scenario (3): average 1501315,13 pps (~1501,32 kpps); std. dev 2956,00 pps As can be observed, throughputs achieved in scenarios (2),(3) did not suffer any observable degradation compared to scenario (1). Thanks to Jakub Kicinski and David Ahern for their valuable suggestions and comments provided during the discussion of the proposed RFCs. [2] https://www.cloudlab.us Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |