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2c96136a3f
3306 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
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2c96136a3f |
- Add support for unaccepted memory as specified in the UEFI spec v2.9.
The gist of it all is that Intel TDX and AMD SEV-SNP confidential computing guests define the notion of accepting memory before using it and thus preventing a whole set of attacks against such guests like memory replay and the like. There are a couple of strategies of how memory should be accepted - the current implementation does an on-demand way of accepting. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmSZ0f4ACgkQEsHwGGHe VUpasw//RKoNW9HSU1csY+XnG9uuaT6QKgji+gIEZWWIGPO9iibvbBj6P5WxJE8T fe7yb6CGa6d6thoU0v+mQGVVvCd7OjCFwPD5wAo4mXToD7Ig+4mI6jMkaKifqa2f N1Uuy8u/zQnGyWrP5Y//WH5bJYfsmds4UGwXI2nLvKlhE7MG90/ePjt7iqnnwZsy waLp6a0Q1VeOvnfRszFLHZw/SoER5RSJ4qeVqttkFNmPPEKMK1Kirrl2poR56OQJ nMr6LqVtD7erlSJ36VRXOKzLI443A4iIEIg/wBjIOU6L5ZEWJGNqtCDnIqFJ6+TM XatsejfRYkkMZH0qXtX9+M0u+HJHbZPCH5rEcA21P3Nbd7od/ANq91qCGoMjtUZ4 7pZohMG8M6IDvkLiOb8fQVkR5k/9Jbk8UvdN/8jdPx1ERxYMFO3BDvJpV2gzrW4B KYtFTPR7j2nY3eKfDpe3flanqYzKUBsKoTlLnlH7UHaiMZ2idwG8AQjlrhC/erCq /Lq1LXt4Mq46FyHABc+PSHytu0WWj1nBUftRt+lviY/Uv7TlkBldOTT7wm7itsfF HUCTfLWl0CJXKPq8rbbZhAG/exN6Ay6MO3E3OcNq8A72E5y4cXenuG3ic/0tUuOu FfjpiMk35qE2Qb4hnj1YtF3XINtd1MpKcuwzGSzEdv9s3J7hrS0= =FS95 -----END PGP SIGNATURE----- Merge tag 'x86_cc_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 confidential computing update from Borislav Petkov: - Add support for unaccepted memory as specified in the UEFI spec v2.9. The gist of it all is that Intel TDX and AMD SEV-SNP confidential computing guests define the notion of accepting memory before using it and thus preventing a whole set of attacks against such guests like memory replay and the like. There are a couple of strategies of how memory should be accepted - the current implementation does an on-demand way of accepting. * tag 'x86_cc_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: virt: sevguest: Add CONFIG_CRYPTO dependency x86/efi: Safely enable unaccepted memory in UEFI x86/sev: Add SNP-specific unaccepted memory support x86/sev: Use large PSC requests if applicable x86/sev: Allow for use of the early boot GHCB for PSC requests x86/sev: Put PSC struct on the stack in prep for unaccepted memory support x86/sev: Fix calculation of end address based on number of pages x86/tdx: Add unaccepted memory support x86/tdx: Refactor try_accept_one() x86/tdx: Make _tdx_hypercall() and __tdx_module_call() available in boot stub efi/unaccepted: Avoid load_unaligned_zeropad() stepping into unaccepted memory efi: Add unaccepted memory support x86/boot/compressed: Handle unaccepted memory efi/libstub: Implement support for unaccepted memory efi/x86: Get full memory map in allocate_e820() mm: Add support for unaccepted memory |
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Linus Torvalds
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69cbeb61ff |
Revert "efi: random: refresh non-volatile random seed when RNG is initialized"
This reverts commit |
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Linus Torvalds
|
b4af682124 |
sound fixes for 6.4-rc7
Just a few small fixes. The only change to the core code is for a minor race in ALSA OSS sequencer, and the rest are all device-specific fixes (regression fixes and a usual quirk). -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmSMFLQOHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE8i8A//UyhDO5/doI/z1lnpcITu4cT4WhEskCi56mR9 peSnL2u0UFG3QCvj3OoAowFbTh823ZKDISrRttNRi0ywH9mQ26L6dz3hamY11vgA kl8iHyf32kHg8W5MjE/Ul6MvXOjCgVFmfO4iSNnUl0Qx2VI3JfkGu6nDZQkJ2/+E EwrI4FYbT0AQ0srJrscHsUy20Gfr6sbol3CpZD1/IVL5AXaQJto1xvEM+CF2+ehB PBMwEYGFs6alq+UN7tsG8mFBDkUam9zOLwYgC1Tj3OLHH1XSUHmu21aGQqHV76kQ 1Z7PuJCNNqL4oJR20KISojFVacQzD/wo1CMmyF/kS+xLkFUIKrJdc/ovi4JQf5ZH z5mH7zMbW/dIeRsFTn9XnVvN+7Of8N+ZsZ/9FF7OUVAbXp8veP4rz/W6Fye7ov6I jki/6bOhTrBI42RhMXym4RAb5kqJcr003UYIvGZMFVnQ50siYxPY10aSgCMjTwWn FvkIbxzo6GEPpulEnzOqfzxVX8GsUty4bMNcPXELrkpk3Qalgt+NdToxbWDq07F/ iZXcYv6pclrFNnkkTV9B4LlKRfgLG2I/Ex8bRPMr815QBAguyl44YJ59MSvTOWc7 AWh7VL07Sxm44YXoVVPzHLcUhYH3xibTB5R8FSKy40VZO5lbwbSc5EZBTGvRIrdx kaGfcgM= =e2QB -----END PGP SIGNATURE----- Merge tag 'sound-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Just a few small fixes. The only change to the core code is for a minor race in ALSA OSS sequencer, and the rest are all device-specific fixes (regression fixes and a usual quirk)" * tag 'sound-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: usb-audio: Add quirk flag for HEM devices to enable native DSD playback ALSA: usb-audio: Fix broken resume due to UAC3 power state ALSA: seq: oss: Fix racy open/close of MIDI devices ASoC: tegra: Fix Master Volume Control ALSA: hda/realtek: Add a quirk for Compaq N14JP6 firmware: cs_dsp: Log correct region name in bin error messages |
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Linus Torvalds
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859c745951 |
ARM: SoC fixes for 6.4, part 2
Most of the changes this time are for the Qualcomm Snapdragon platforms.
There are bug fixes for error handling in Qualcomm icc-bwmon, rpmh-rsc,
ramp_controller and rmtfs driver as well as the AMD tee firmware
driver and a missing initialization in the Arm ff-a firmware driver.
The Qualcomm RPMh and EDAC drivers need some rework to work correctly
on all supported chips.
The DT fixes include:
- i.MX8 fixes for gpio, pinmux and clock settings
- ADS touchscreen gpio polarity settings in several machines
- Address dtb warnings for caches, panel and input-enable
properties on Qualcomm platforms
- Incorrect data on qualcomm platforms fir SA8155P power domains,
SM8550 LLCC, SC7180-lite SDRAM frequencies and SM8550 soundwire.
- Remoteproc firmware paths are corrected for Sony Xperia 10 IV.
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Merge tag 'arm-fixes-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Most of the changes this time are for the Qualcomm Snapdragon
platforms.
There are bug fixes for error handling in Qualcomm icc-bwmon,
rpmh-rsc, ramp_controller and rmtfs driver as well as the AMD tee
firmware driver and a missing initialization in the Arm ff-a firmware
driver. The Qualcomm RPMh and EDAC drivers need some rework to work
correctly on all supported chips.
The DT fixes include:
- i.MX8 fixes for gpio, pinmux and clock settings
- ADS touchscreen gpio polarity settings in several machines
- Address dtb warnings for caches, panel and input-enable properties
on Qualcomm platforms
- Incorrect data on qualcomm platforms fir SA8155P power domains,
SM8550 LLCC, SC7180-lite SDRAM frequencies and SM8550 soundwire
- Remoteproc firmware paths are corrected for Sony Xperia 10 IV"
* tag 'arm-fixes-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (36 commits)
firmware: arm_ffa: Set handle field to zero in memory descriptor
ARM: dts: Fix erroneous ADS touchscreen polarities
arm64: dts: imx8mn-beacon: Fix SPI CS pinmux
arm64: dts: imx8-ss-dma: assign default clock rate for lpuarts
arm64: dts: imx8qm-mek: correct GPIOs for USDHC2 CD and WP signals
EDAC/qcom: Get rid of hardcoded register offsets
EDAC/qcom: Remove superfluous return variable assignment in qcom_llcc_core_setup()
arm64: dts: qcom: sm8550: Use the correct LLCC register scheme
dt-bindings: cache: qcom,llcc: Fix SM8550 description
arm64: dts: qcom: sc7180-lite: Fix SDRAM freq for misidentified sc7180-lite boards
arm64: dts: qcom: sm8550: use uint16 for Soundwire interval
soc: qcom: rpmhpd: Add SA8155P power domains
arm64: dts: qcom: Split out SA8155P and use correct RPMh power domains
dt-bindings: power: qcom,rpmpd: Add SA8155P
soc: qcom: Rename ice to qcom_ice to avoid module name conflict
soc: qcom: rmtfs: Fix error code in probe()
soc: qcom: ramp_controller: Fix an error handling path in qcom_ramp_controller_probe()
ARM: dts: at91: sama7g5ek: fix debounce delay property for shdwc
ARM: at91: pm: fix imbalanced reference counter for ethernet devices
arm64: dts: qcom: sm6375-pdx225: Fix remoteproc firmware paths
...
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Dionna Glaze
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c0461bd166 |
x86/efi: Safely enable unaccepted memory in UEFI
The UEFI v2.9 specification includes a new memory type to be used in environments where the OS must accept memory that is provided from its host. Before the introduction of this memory type, all memory was accepted eagerly in the firmware. In order for the firmware to safely stop accepting memory on the OS's behalf, the OS must affirmatively indicate support to the firmware. This is only a problem for AMD SEV-SNP, since Linux has had support for it since 5.19. The other technology that can make use of unaccepted memory, Intel TDX, does not yet have Linux support, so it can strictly require unaccepted memory support as a dependency of CONFIG_TDX and not require communication with the firmware. Enabling unaccepted memory requires calling a 0-argument enablement protocol before ExitBootServices. This call is only made if the kernel is compiled with UNACCEPTED_MEMORY=y This protocol will be removed after the end of life of the first LTS that includes it, in order to give firmware implementations an expiration date for it. When the protocol is removed, firmware will strictly infer that a SEV-SNP VM is running an OS that supports the unaccepted memory type. At the earliest convenience, when unaccepted memory support is added to Linux, SEV-SNP may take strict dependence in it. After the firmware removes support for the protocol, this should be reverted. [tl: address some checkscript warnings] Signed-off-by: Dionna Glaze <dionnaglaze@google.com> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lore.kernel.org/r/0d5f3d9a20b5cf361945b7ab1263c36586a78a42.1686063086.git.thomas.lendacky@amd.com |
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Kirill A. Shutemov
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c211c19e80 |
efi/unaccepted: Avoid load_unaligned_zeropad() stepping into unaccepted memory
load_unaligned_zeropad() can lead to unwanted loads across page boundaries. The unwanted loads are typically harmless. But, they might be made to totally unrelated or even unmapped memory. load_unaligned_zeropad() relies on exception fixup (#PF, #GP and now #VE) to recover from these unwanted loads. But, this approach does not work for unaccepted memory. For TDX, a load from unaccepted memory will not lead to a recoverable exception within the guest. The guest will exit to the VMM where the only recourse is to terminate the guest. There are two parts to fix this issue and comprehensively avoid access to unaccepted memory. Together these ensure that an extra "guard" page is accepted in addition to the memory that needs to be used. 1. Implicitly extend the range_contains_unaccepted_memory(start, end) checks up to end+unit_size if 'end' is aligned on a unit_size boundary. 2. Implicitly extend accept_memory(start, end) to end+unit_size if 'end' is aligned on a unit_size boundary. Side note: This leads to something strange. Pages which were accepted at boot, marked by the firmware as accepted and will never _need_ to be accepted might be on unaccepted_pages list This is a cue to ensure that the next page is accepted before 'page' can be used. This is an actual, real-world problem which was discovered during TDX testing. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Link: https://lore.kernel.org/r/20230606142637.5171-7-kirill.shutemov@linux.intel.com |
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Kirill A. Shutemov
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2053bc57f3 |
efi: Add unaccepted memory support
efi_config_parse_tables() reserves memory that holds unaccepted memory configuration table so it won't be reused by page allocator. Core-mm requires few helpers to support unaccepted memory: - accept_memory() checks the range of addresses against the bitmap and accept memory if needed. - range_contains_unaccepted_memory() checks if anything within the range requires acceptance. Architectural code has to provide efi_get_unaccepted_table() that returns pointer to the unaccepted memory configuration table. arch_accept_memory() handles arch-specific part of memory acceptance. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Link: https://lore.kernel.org/r/20230606142637.5171-6-kirill.shutemov@linux.intel.com |
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Kirill A. Shutemov
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745e3ed85f |
efi/libstub: Implement support for unaccepted memory
UEFI Specification version 2.9 introduces the concept of memory acceptance: Some Virtual Machine platforms, such as Intel TDX or AMD SEV-SNP, requiring memory to be accepted before it can be used by the guest. Accepting happens via a protocol specific for the Virtual Machine platform. Accepting memory is costly and it makes VMM allocate memory for the accepted guest physical address range. It's better to postpone memory acceptance until memory is needed. It lowers boot time and reduces memory overhead. The kernel needs to know what memory has been accepted. Firmware communicates this information via memory map: a new memory type -- EFI_UNACCEPTED_MEMORY -- indicates such memory. Range-based tracking works fine for firmware, but it gets bulky for the kernel: e820 (or whatever the arch uses) has to be modified on every page acceptance. It leads to table fragmentation and there's a limited number of entries in the e820 table. Another option is to mark such memory as usable in e820 and track if the range has been accepted in a bitmap. One bit in the bitmap represents a naturally aligned power-2-sized region of address space -- unit. For x86, unit size is 2MiB: 4k of the bitmap is enough to track 64GiB or physical address space. In the worst-case scenario -- a huge hole in the middle of the address space -- It needs 256MiB to handle 4PiB of the address space. Any unaccepted memory that is not aligned to unit_size gets accepted upfront. The bitmap is allocated and constructed in the EFI stub and passed down to the kernel via EFI configuration table. allocate_e820() allocates the bitmap if unaccepted memory is present, according to the size of unaccepted region. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lore.kernel.org/r/20230606142637.5171-4-kirill.shutemov@linux.intel.com |
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Kirill A. Shutemov
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2e9f46ee15 |
efi/x86: Get full memory map in allocate_e820()
Currently allocate_e820() is only interested in the size of map and size of memory descriptor to determine how many e820 entries the kernel needs. UEFI Specification version 2.9 introduces a new memory type -- unaccepted memory. To track unaccepted memory, the kernel needs to allocate a bitmap. The size of the bitmap is dependent on the maximum physical address present in the system. A full memory map is required to find the maximum address. Modify allocate_e820() to get a full memory map. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Borislav Petkov <bp@suse.de> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Acked-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lore.kernel.org/r/20230606142637.5171-3-kirill.shutemov@linux.intel.com |
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Arnd Bergmann
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08425abbab |
Arm FF-A fix for v6.4
A single fix addressing another MBZ field being non-zero and non-compliant resulting in the rejection of certain memory interface transmissions by the receivers(secure partitions). The issue was addressed before but missed to address this one field which is part of this change. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEunHlEgbzHrJD3ZPhAEG6vDF+4pgFAmR/K10ACgkQAEG6vDF+ 4pgOSw/+KGC6ho/i1MFL0IBzBWs/QuYHPTNDHLY8SbvoSZbw45i5MXBpwdkBgcT1 pXn0nl83XUXHHdiLeJJ0TgCEHgkRLGdvtH4Ce/3tRw7rrhCpZXRBv9rCndGrXNiP 4U0U8DwSDzNeVINpprMqBb9zoKIr/FbCppGdkh3emNV9ZtmS/1gjw3MWJ5hjs7+A z86ger3lezwPaaNpCrtgaTzVNVvH1wYv2fdyT2wx/pKn55EQX5pMeqxyxv0kDdbK +IKYyS+2KjIzStlZiVgyjQ2OTrXtyb67vyG+1EWmxfM1pzUpCulbtLl1X/7zMYkZ N+1tdJH65tK3+IwmR2Tfs9Jh/bAf/G8/gCxC+x/UggXsGQOnTV5wMSLofQtjaqtI tch9pzUHFElITUXVPOdLN+f4SPiU9Er3tOWkKVkL9Y5Z+ubzgcSgMl6Ept9pkkY4 I2p2yM0n+uDGRMVO8d1zr+UX7YiABSaGB2jNYE9ruUajF2PGvtT27nIiR5wehlOt 2VUtPmXzj/i8Ndp0ssRQ0HaC8jfdcfUFC1wH1pNqSekoz8Z3CQA9lHFNoo/qvBvT oFxOFiR7ryR6uDnjWSDeIEYpuMTIDQ7TDlMinv1yMXVTlsLXh0ltFpNXDGBgPFao q1/k9ZYp3tRX2pwkbZRhmRX2KAMu2uOqw94Msn7XO2t9LkzB/Ik= =5rRh -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmR/LyQACgkQYKtH/8kJ UieDBBAAvCt8XSRlT7ksaAoZlGCi8F0B7jlB/+mSUsmGTa9LWEn0Cw+lkES7LpLU CtN6cjI+WT6OI1MnFyfdrWc3CBCqy9oyOZpZ+HM7gqNMWZOK7+3i/Fh5YXAwcZrg lRepJuKzM0vXFTVYsX0uy5ms9gbJZFMbKuAXma4RAg5gCkshuDsASHfRaOE/4PZT pbA+Jaji9+P1kzuNJCsiflwXs8YBue4ZBKxpz5NUptW5XjsCIAVoFNlKp6soQlP5 qO2v/wh/aZn81M5Mdn9GzUy7BIrqW8xtPqikUKGNb2hK5t5bNjwWivrGropEyI8t jXFLvOEoL4a19A6GXAWF1kebJO5CA9Vjjpc0w2Wty/vmbal8GadjxIB/k3/qv6aZ Dl5RhXGtx+ll90h60qQHu6HpaejPgW2ajN3HC5XOHBNfuplFTMXxbOPsJ5C8YbJO KUyz0sWnAZ7ujMQUMiWYuOn58Dhr0NZFTV3uXx0oNPbQouA1j+pNEqUKjVdcfhXQ yvJBzOsooqbOtkzHb0hA4yIiCsv7BdOHNvBNleMCUTu1DQyp541pB0LkEqFI78S+ NcD1xq8z/79bJX1gcAkZ7BJWMgrd1cDuk4rSBLB/ASUTeh511PRvScvkmHC+rX4u blRd6BUs3C0peij3LL2F13UuKmb2GICL8Hga7fpcD3c2OwmJa9s= =jD2K -----END PGP SIGNATURE----- Merge tag 'ffa-fix-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes Arm FF-A fix for v6.4 A single fix addressing another MBZ field being non-zero and non-compliant resulting in the rejection of certain memory interface transmissions by the receivers(secure partitions). The issue was addressed before but missed to address this one field which is part of this change. * tag 'ffa-fix-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: firmware: arm_ffa: Set handle field to zero in memory descriptor Link: https://lore.kernel.org/r/20230606125720.2816923-1-sudeep.holla@arm.com Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Balint Dobszay
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3aa0519a47 |
firmware: arm_ffa: Set handle field to zero in memory descriptor
As described in the commit |
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Richard Fitzgerald
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ad24919540
|
firmware: cs_dsp: Log correct region name in bin error messages
In cs_dsp_load_coeff() region_name should be set in the XM/YM/ZM cases otherwise any errors will log the region as "Unknown". While doing this also change one error message that logged the region type ID to log the region_name instead. This makes it consistent with other messages in the same function. Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Link: https://lore.kernel.org/r/20230605143238.4001982-1-rf@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org> |
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Linus Torvalds
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792fc92140 |
First batch of EFI fixes for v6.4:
- fix harmless warning in zboot code on 'make clean'
- add some missing prototypes
- fix boot regressions triggered by PE/COFF header image minor version
bump
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Merge tag 'efi-fixes-for-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
"A few minor fixes for EFI, one of which fixes the reported boot
regression when booting x86 kernels using the BIOS based loader built
into the hypervisor framework on macOS.
- fix harmless warning in zboot code on 'make clean'
- add some missing prototypes
- fix boot regressions triggered by PE/COFF header image minor
version bump"
* tag 'efi-fixes-for-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: Bump stub image version for macOS HVF compatibility
efi: fix missing prototype warnings
efi/libstub: zboot: Avoid eager evaluation of objcopy flags
|
||
|
Arnd Bergmann
|
abf5422e82 |
Arm FF-A fixes for v6.4
Quite a few fixes to address set of assorted issues:
1. NULL pointer dereference if the ffa driver doesn't provide remove()
callback as it is currently executed unconditionally
2. FF-A core probe failure on systems with v1.0 firmware as the new
partition info get count flag is used unconditionally
3. Failure to register more than one logical partition or service within
the same physical partition as the device name contains only VM ID
which will be same for all but each will have unique UUID.
4. Rejection of certain memory interface transmissions by the receivers
(secure partitions) as few MBZ fields are non-zero due to lack of
explicit re-initialization of those fields
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Merge tag 'ffa-fixes-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Arm FF-A fixes for v6.4
Quite a few fixes to address set of assorted issues:
1. NULL pointer dereference if the ffa driver doesn't provide remove()
callback as it is currently executed unconditionally
2. FF-A core probe failure on systems with v1.0 firmware as the new
partition info get count flag is used unconditionally
3. Failure to register more than one logical partition or service within
the same physical partition as the device name contains only VM ID
which will be same for all but each will have unique UUID.
4. Rejection of certain memory interface transmissions by the receivers
(secure partitions) as few MBZ fields are non-zero due to lack of
explicit re-initialization of those fields
* tag 'ffa-fixes-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_ffa: Set reserved/MBZ fields to zero in the memory descriptors
firmware: arm_ffa: Fix FFA device names for logical partitions
firmware: arm_ffa: Fix usage of partition info get count flag
firmware: arm_ffa: Check if ffa_driver remove is present before executing
Link: https://lore.kernel.org/r/20230509143453.1188753-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
||
|
Arnd Bergmann
|
0bfa36f9bc |
Arm SCMI fix for v6.4
Single fix for incorrect invocation of alloc_workqueue() where WQ_SYSFS flag is passed as @max_active parameter instead of OR'ing with the other flags in the @flags parameter. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEunHlEgbzHrJD3ZPhAEG6vDF+4pgFAmRaHhwACgkQAEG6vDF+ 4pgH5hAApzDhi5i0VjTTKupTzGu2WWOASsX1ejcV/FOcEPqxB4qsSCSFpT7e6+bP bEx2qYv3yx75BvxnhSOoEjk1txGtHtEjQ3pb4sFBTiHvo242GuAE49WB2r2//tVf /6mlRb3rXU3cr5ltOWxSyRDsMHmNu8989U6vc+J8Wt1AVlxNkMunLhR3zYhqwsSm epxyXQJkA+7qNd1TLP3T1vBlJOIYVWKvrk5plOBjzT73L36BDKdkbmknWdU/6+/W d12cKC610j8JmMMGwrzqVcfrO/j4KGM04tRHjxBRP/HSNXEyXxnagLMIJkwWwufX cw10aJRg7YydCTCEIaxZ4rGUKtMvIN1IJWjh0WsdBPExMqJ7/ZFKjvSPcb3Wan7Q GDjMWiw9PbN5sF6Bg3zHlfJWMGi4rQBUK7iVRhF3h3jRZfjFbQSbPPRP8T30yalG ESGSj9Dhl8jj/YM9MT+IpO1ihZvWRdT8fX+pNh+bW+LnNAOYBlybYTT0L01YdJUQ yD9hYvEieY9FlcwjMaTCQYIdNANEeneXE1hjIGZxQbE8ec3fMt4roIyFumtTZILg 8TUtSw+/Md0blcq6CyjIk+rxxr80m/Scf6JzTmvIKQ0AbxXMo6sw3xxCe7AsCUGE dKyZjNZiTbiE5LZlb0+sDZqH5tlCp65aOeNdjn2tkrO258FBGhs= =td1Z -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmRvfQAACgkQYKtH/8kJ UidUTQ//SefxnCJ0+L5O+kYDHNLoKj3IbFf9OA5i+ogvEiKC8gxi09pJybXRJBJF bJEUW+jWovo1PkuydU+JqLzTyU7E8jcGlW7hZYa2YSUkITD+XmA4UCUhzqfUeeSM X9gUfZDV7mM/sM9F1HvIkCyzbhDa8lkUoUiQu6EjQB+uQOOv5cncRKt+a1cRsik3 P+jy8L7wgDevFBi0sWHtArFjKTjwf6umKRYIpBQW7vlbe4SN5Dlx2oWxIl695v9h h4lBZsM/56Ld7XITbkQzTrOlfU1qzlUSHogMh/7wuwsm9LvpGoYKKOs8afO/Wma7 8eRSAnh4Yuu+/o5vfXlo42nk1wVZEYTApVXylm8RK5e5TfAy6HiE2EcPO4u5Vp93 k4PAI952n5konBOjSLiOjMBfx3NEbumoD4mFXZBeYCDpmoBL8Ch8zsUvewzx/vZ9 gz2r6HZO6PjxKJ1XdzTace0tIdegrpQbU5ocm9WLCL3gs4cbrevijFnhxdi/wvfH AvlihOhyO6Hrzd2f2zYxPSGAEOHFIYCFIwjCm5TlJFOUTKuepj0tOCzXez15YKut sxWPzAh/I4NQ4keztT+c6kkDrJiCrPpD8z40Iz+XxGEIdZcenD+HTIeS7yfgKcTp M8IrC7aK01MDvRUeUYc4wbA+gptPBmLYF6Hlv2loPS1maqAAnOE= =B4NY -----END PGP SIGNATURE----- Merge tag 'scmi-fix-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes Arm SCMI fix for v6.4 Single fix for incorrect invocation of alloc_workqueue() where WQ_SYSFS flag is passed as @max_active parameter instead of OR'ing with the other flags in the @flags parameter. * tag 'scmi-fix-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: firmware: arm_scmi: Fix incorrect alloc_workqueue() invocation Link: https://lore.kernel.org/r/20230509143529.1188812-1-sudeep.holla@arm.com Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
|
Arnd Bergmann
|
fd936fd8ac |
efi: fix missing prototype warnings
The cper.c file needs to include an extra header, and efi_zboot_entry needs an extern declaration to avoid these 'make W=1' warnings: drivers/firmware/efi/libstub/zboot.c:65:1: error: no previous prototype for 'efi_zboot_entry' [-Werror=missing-prototypes] drivers/firmware/efi/efi.c:176:16: error: no previous prototype for 'efi_attr_is_visible' [-Werror=missing-prototypes] drivers/firmware/efi/cper.c:626:6: error: no previous prototype for 'cper_estatus_print' [-Werror=missing-prototypes] drivers/firmware/efi/cper.c:649:5: error: no previous prototype for 'cper_estatus_check_header' [-Werror=missing-prototypes] drivers/firmware/efi/cper.c:662:5: error: no previous prototype for 'cper_estatus_check' [-Werror=missing-prototypes] To make this easier, move the cper specific declarations to include/linux/cper.h. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> |
||
|
Ard Biesheuvel
|
095aabe338 |
efi/libstub: zboot: Avoid eager evaluation of objcopy flags
The Make variable containing the objcopy flags may be constructed from the output of build tools operating on build artifacts, and these may not exist when doing a make clean. So avoid evaluating them eagerly, to prevent spurious build warnings. Suggested-by: Pedro Falcato <pedro.falcato@gmail.com> Tested-by: Alan Bartlett <ajb@elrepo.org> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> |
||
|
Dave Airlie
|
dc49c3b1d4 |
Merge tag 'drm-misc-fixes-2023-05-11' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v6.4-rc2: - More DSC macro fixes. - Small mipi-dsi fix. - Scheduler timeout handling fix. --- drm-misc-fixes for v6.4-rc1: - Fix DSC macros. - Fix VESA format for simplefb. - Prohibit potential out-of-bounds access in generic fbdev emulation. - Improve AST2500+ compat on ARM. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/b34135e3-2651-4e0a-a776-9b047882b1b2@linux.intel.com |
||
|
Sudeep Holla
|
111a833dc5 |
firmware: arm_ffa: Set reserved/MBZ fields to zero in the memory descriptors
The transmit buffers allocated by the driver can be used to transmit data
by any messages/commands needing the buffer. However, it is not guaranteed
to have been zero-ed before every new transmission and hence it will just
contain residual value from the previous transmission. There are several
reserved fields in the memory descriptors that must be zero(MBZ). The
receiver can reject the transmission if any such MBZ fields are non-zero.
While we can set the whole page to zero, it is not optimal as most of the
fields get initialised to the value required for the current transmission.
So, just set the reserved/MBZ fields to zero in the memory descriptors
explicitly to honour the requirement and keep the receiver happy.
Fixes:
|
||
|
Sudeep Holla
|
19b8766459 |
firmware: arm_ffa: Fix FFA device names for logical partitions
Each physical partition can provide multiple services each with UUID.
Each such service can be presented as logical partition with a unique
combination of VM ID and UUID. The number of distinct UUID in a system
will be less than or equal to the number of logical partitions.
However, currently it fails to register more than one logical partition
or service within a physical partition as the device name contains only
VM ID while both VM ID and UUID are maintained in the partition information.
The kernel complains with the below message:
| sysfs: cannot create duplicate filename '/devices/arm-ffa-8001'
| CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.3.0-rc7 #8
| Hardware name: FVP Base RevC (DT)
| Call trace:
| dump_backtrace+0xf8/0x118
| show_stack+0x18/0x24
| dump_stack_lvl+0x50/0x68
| dump_stack+0x18/0x24
| sysfs_create_dir_ns+0xe0/0x13c
| kobject_add_internal+0x220/0x3d4
| kobject_add+0x94/0x100
| device_add+0x144/0x5d8
| device_register+0x20/0x30
| ffa_device_register+0x88/0xd8
| ffa_setup_partitions+0x108/0x1b8
| ffa_init+0x2ec/0x3a4
| do_one_initcall+0xcc/0x240
| do_initcall_level+0x8c/0xac
| do_initcalls+0x54/0x94
| do_basic_setup+0x1c/0x28
| kernel_init_freeable+0x100/0x16c
| kernel_init+0x20/0x1a0
| ret_from_fork+0x10/0x20
| kobject_add_internal failed for arm-ffa-8001 with -EEXIST, don't try to
| register things with the same name in the same directory.
| arm_ffa arm-ffa: unable to register device arm-ffa-8001 err=-17
| ARM FF-A: ffa_setup_partitions: failed to register partition ID 0x8001
By virtue of being random enough to avoid collisions when generated in a
distributed system, there is no way to compress UUID keys to the number
of bits required to identify each. We can eliminate '-' in the name but
it is not worth eliminating 4 bytes and add unnecessary logic for doing
that. Also v1.0 doesn't provide the UUID of the partitions which makes
it hard to use the same for the device name.
So to keep it simple, let us alloc an ID using ida_alloc() and append the
same to "arm-ffa" to make up a unique device name. Also stash the id value
in ffa_dev to help freeing the ID later when the device is destroyed.
Fixes:
|
||
|
Sudeep Holla
|
c6e045361a |
firmware: arm_ffa: Fix usage of partition info get count flag
Commit |
||
|
Sudeep Holla
|
b71b55248a |
firmware: arm_ffa: Check if ffa_driver remove is present before executing
Currently ffa_drv->remove() is called unconditionally from
ffa_device_remove(). Since the driver registration doesn't check for it
and allows it to be registered without .remove callback, we need to check
for the presence of it before executing it from ffa_device_remove() to
above a NULL pointer dereference like the one below:
| Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
| Mem abort info:
| ESR = 0x0000000086000004
| EC = 0x21: IABT (current EL), IL = 32 bits
| SET = 0, FnV = 0
| EA = 0, S1PTW = 0
| FSC = 0x04: level 0 translation fault
| user pgtable: 4k pages, 48-bit VAs, pgdp=0000000881cc8000
| [0000000000000000] pgd=0000000000000000, p4d=0000000000000000
| Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP
| CPU: 3 PID: 130 Comm: rmmod Not tainted 6.3.0-rc7 #6
| Hardware name: FVP Base RevC (DT)
| pstate: 63402809 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=-c)
| pc : 0x0
| lr : ffa_device_remove+0x20/0x2c
| Call trace:
| 0x0
| device_release_driver_internal+0x16c/0x260
| driver_detach+0x90/0xd0
| bus_remove_driver+0xdc/0x11c
| driver_unregister+0x30/0x54
| ffa_driver_unregister+0x14/0x20
| cleanup_module+0x18/0xeec
| __arm64_sys_delete_module+0x234/0x378
| invoke_syscall+0x40/0x108
| el0_svc_common+0xb4/0xf0
| do_el0_svc+0x30/0xa4
| el0_svc+0x2c/0x7c
| el0t_64_sync_handler+0x84/0xf0
| el0t_64_sync+0x190/0x194
Fixes:
|
||
|
Tejun Heo
|
44e8d5ad2d |
firmware: arm_scmi: Fix incorrect alloc_workqueue() invocation
scmi_xfer_raw_worker_init() is specifying a flag, WQ_SYSFS, as @max_active.
Fix it by or'ing WQ_SYSFS into @flags so that it actually enables sysfs
interface and using 0 for @max_active for the default setting.
Signed-off-by: Tejun Heo <tj@kernel.org>
Fixes:
|
||
|
Linus Torvalds
|
825a0714d2 |
EFI updates for v6.4:
- relocate the LoongArch kernel if the preferred address is already occupied; - implement BTI annotations for arm64 EFI stub and zboot images; - clean up arm64 zboot Kbuild rules for injecting the kernel code size. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQQQm/3uucuRGn1Dmh0wbglWLn0tXAUCZEwUOwAKCRAwbglWLn0t XMNzAQChdPim0N+l2G4XLa1g8WCGany/+6/B9GHPJVcmQ25zLQD/UaNvAofkHwjR Y3P3ZEY1SPEA+UJBL/BTI0wO9/XgpAA= =hGWP -----END PGP SIGNATURE----- Merge tag 'efi-next-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI updates from Ard Biesheuvel: - relocate the LoongArch kernel if the preferred address is already occupied - implement BTI annotations for arm64 EFI stub and zboot images - clean up arm64 zboot Kbuild rules for injecting the kernel code size * tag 'efi-next-for-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: efi/zboot: arm64: Grab code size from ELF symbol in payload efi/zboot: arm64: Inject kernel code size symbol into the zboot payload efi/zboot: Set forward edge CFI compat header flag if supported efi/zboot: Add BSS padding before compression arm64: efi: Enable BTI codegen and add PE/COFF annotation efi/pe: Import new BTI/IBT header flags from the spec efi/loongarch: Reintroduce efi_relocate_kernel() to relocate kernel |
||
|
Linus Torvalds
|
b6a7828502 |
modules-6.4-rc1
The summary of the changes for this pull requests is:
* Song Liu's new struct module_memory replacement
* Nick Alcock's MODULE_LICENSE() removal for non-modules
* My cleanups and enhancements to reduce the areas where we vmalloc
module memory for duplicates, and the respective debug code which
proves the remaining vmalloc pressure comes from userspace.
Most of the changes have been in linux-next for quite some time except
the minor fixes I made to check if a module was already loaded
prior to allocating the final module memory with vmalloc and the
respective debug code it introduces to help clarify the issue. Although
the functional change is small it is rather safe as it can only *help*
reduce vmalloc space for duplicates and is confirmed to fix a bootup
issue with over 400 CPUs with KASAN enabled. I don't expect stable
kernels to pick up that fix as the cleanups would have also had to have
been picked up. Folks on larger CPU systems with modules will want to
just upgrade if vmalloc space has been an issue on bootup.
Given the size of this request, here's some more elaborate details
on this pull request.
The functional change change in this pull request is the very first
patch from Song Liu which replaces the struct module_layout with a new
struct module memory. The old data structure tried to put together all
types of supported module memory types in one data structure, the new
one abstracts the differences in memory types in a module to allow each
one to provide their own set of details. This paves the way in the
future so we can deal with them in a cleaner way. If you look at changes
they also provide a nice cleanup of how we handle these different memory
areas in a module. This change has been in linux-next since before the
merge window opened for v6.3 so to provide more than a full kernel cycle
of testing. It's a good thing as quite a bit of fixes have been found
for it.
Jason Baron then made dynamic debug a first class citizen module user by
using module notifier callbacks to allocate / remove module specific
dynamic debug information.
Nick Alcock has done quite a bit of work cross-tree to remove module
license tags from things which cannot possibly be module at my request
so to:
a) help him with his longer term tooling goals which require a
deterministic evaluation if a piece a symbol code could ever be
part of a module or not. But quite recently it is has been made
clear that tooling is not the only one that would benefit.
Disambiguating symbols also helps efforts such as live patching,
kprobes and BPF, but for other reasons and R&D on this area
is active with no clear solution in sight.
b) help us inch closer to the now generally accepted long term goal
of automating all the MODULE_LICENSE() tags from SPDX license tags
In so far as a) is concerned, although module license tags are a no-op
for non-modules, tools which would want create a mapping of possible
modules can only rely on the module license tag after the commit
|
||
|
Linus Torvalds
|
cec24b8b6b |
Char/Misc drivers for 6.4-rc1
Here is the "big" set of char/misc and other driver subsystems for 6.4-rc1. It's pretty big, but due to the removal of pcmcia drivers, almost breaks even for number of lines added vs. removed, a nice change. Included in here are: - removal of unused PCMCIA drivers (finally!) - Interconnect driver updates and additions - Lots of IIO driver updates and additions - MHI driver updates - Coresight driver updates - NVMEM driver updates, which required some OF updates - W1 driver updates and a new maintainer to manage the subsystem - FPGA driver updates - New driver subsystem, CDX, for AMD systems - lots of other small driver updates and additions All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCZEp5Eg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynSXgCg0kSw3vUYwpsnhAsQkoPw1QVA23sAn2edRCMa GEkPWjrROueCom7xbLMu =eR+P -----END PGP SIGNATURE----- Merge tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc drivers updates from Greg KH: "Here is the "big" set of char/misc and other driver subsystems for 6.4-rc1. It's pretty big, but due to the removal of pcmcia drivers, almost breaks even for number of lines added vs. removed, a nice change. Included in here are: - removal of unused PCMCIA drivers (finally!) - Interconnect driver updates and additions - Lots of IIO driver updates and additions - MHI driver updates - Coresight driver updates - NVMEM driver updates, which required some OF updates - W1 driver updates and a new maintainer to manage the subsystem - FPGA driver updates - New driver subsystem, CDX, for AMD systems - lots of other small driver updates and additions All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (196 commits) mcb-lpc: Reallocate memory region to avoid memory overlapping mcb-pci: Reallocate memory region to avoid memory overlapping mcb: Return actual parsed size when reading chameleon table kernel/configs: Drop Android config fragments virt: acrn: Replace obsolete memalign() with posix_memalign() spmi: Add a check for remove callback when removing a SPMI driver spmi: fix W=1 kernel-doc warnings spmi: mtk-pmif: Drop of_match_ptr for ID table spmi: pmic-arb: Convert to platform remove callback returning void spmi: mtk-pmif: Convert to platform remove callback returning void spmi: hisi-spmi-controller: Convert to platform remove callback returning void w1: gpio: remove unnecessary ENOMEM messages w1: omap-hdq: remove unnecessary ENOMEM messages w1: omap-hdq: add SPDX tag w1: omap-hdq: allow compile testing w1: matrox: remove unnecessary ENOMEM messages w1: matrox: use inline over __inline__ w1: matrox: switch from asm to linux header w1: ds2482: do not use assignment in if condition w1: ds2482: drop unnecessary header ... |
||
|
Linus Torvalds
|
1c15ca4e4e |
sound updates for 6.4-rc1
At this time, it's an interesting mixture of changes for both old and
new stuff. Majority of changes are about ASoC (lots of systematic
changes for converting remove callbacks to void, and cleanups), while
we got the fixes and the enhancements of very old PCI cards, too.
Here are some highlights:
ALSA/ASoC Core:
- Continued effort of more ASoC core cleanups
- Minor improvements for XRUN handling in indirect PCM helpers
- Code refactoring of PCM core code
ASoC:
- Continued feature and simplification work on SOF, including addition
of a no-DSP mode for bringup, HDA MLink and extensions to the IPC4
protocol
- Hibernation support for CS35L45
- More DT binding conversions
- Support for Cirrus Logic CS35L56, Freescale QMC, Maxim MAX98363,
nVidia systems with MAX9809x and RT5631, Realtek RT712, Renesas R-Car
Gen4, Rockchip RK3588 and TI TAS5733
ALSA:
- Lots of works for legacy emu10k1 and ymfpci PCI drivers
- PCM kselftest fixes and enhancements
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Merge tag 'sound-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"At this time, it's an interesting mixture of changes for both old and
new stuff. Majority of changes are about ASoC (lots of systematic
changes for converting remove callbacks to void, and cleanups), while
we got the fixes and the enhancements of very old PCI cards, too.
Here are some highlights:
ALSA/ASoC Core:
- Continued effort of more ASoC core cleanups
- Minor improvements for XRUN handling in indirect PCM helpers
- Code refactoring of PCM core code
ASoC:
- Continued feature and simplification work on SOF, including
addition of a no-DSP mode for bringup, HDA MLink and extensions to
the IPC4 protocol
- Hibernation support for CS35L45
- More DT binding conversions
- Support for Cirrus Logic CS35L56, Freescale QMC, Maxim MAX98363,
nVidia systems with MAX9809x and RT5631, Realtek RT712, Renesas
R-Car Gen4, Rockchip RK3588 and TI TAS5733
ALSA:
- Lots of works for legacy emu10k1 and ymfpci PCI drivers
- PCM kselftest fixes and enhancements"
* tag 'sound-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (586 commits)
ALSA: emu10k1: use high-level I/O in set_filterQ()
ALSA: emu10k1: use high-level I/O functions also during init
ALSA: emu10k1: fix error handling in snd_audigy_i2c_volume_put()
ALSA: emu10k1: don't stop DSP in _snd_emu10k1_{,audigy_}init_efx()
ALSA: emu10k1: fix SNDRV_EMU10K1_IOCTL_SINGLE_STEP
ALSA: emu10k1: skip Sound Blaster-specific hacks for E-MU cards
ALSA: emu10k1: fixup DSP defines
ALSA: emu10k1: pull in some register definitions from kX-project
ALSA: emu10k1: remove some bogus defines
ALSA: emu10k1: eliminate some unused defines
ALSA: emu10k1: fix lineup of EMU_HANA_* defines
ALSA: emu10k1: comment updates
ALSA: emu10k1: fix snd_emu1010_fpga_read() input masking for rev2 cards
ALSA: emu10k1: remove unused emu->pcm_playback_efx_substream field
ALSA: emu10k1: remove unused `resume` parameter from snd_emu10k1_init()
ALSA: emu10k1: minor optimizations
ALSA: emu10k1: remove remaining cruft from snd_emu10k1_emu1010_init()
ALSA: emu10k1: remove apparently pointless EMU_HANA_OPTION_CARDS reads
ALSA: emu10k1: remove apparently pointless FPGA reads
ALSA: emu10k1: stop doing weird things with HCFG in snd_emu10k1_emu1010_init()
...
|
||
|
Linus Torvalds
|
34b62f186d |
pci-v6.4-changes
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Merge tag 'pci-v6.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Resource management:
- Add pci_dev_for_each_resource() and pci_bus_for_each_resource()
iterators
PCIe native device hotplug:
- Fix AB-BA deadlock between reset_lock and device_lock
Power management:
- Wait longer for devices to become ready after resume (as we do for
reset) to accommodate Intel Titan Ridge xHCI devices
- Extend D3hot delay for NVIDIA HDA controllers to avoid
unrecoverable devices after a bus reset
Error handling:
- Clear PCIe Device Status after EDR since generic error recovery now
only clears it when AER is native
ASPM:
- Work around Chromebook firmware defect that clobbers Capability
list (including ASPM L1 PM Substates Cap) when returning from
D3cold to D0
Freescale i.MX6 PCIe controller driver:
- Install imprecise external abort handler only when DT indicates
PCIe support
Freescale Layerscape PCIe controller driver:
- Add ls1028a endpoint mode support
Qualcomm PCIe controller driver:
- Add SM8550 DT binding and driver support
- Add SDX55 DT binding and driver support
- Use bulk APIs for clocks of IP 1.0.0, 2.3.2, 2.3.3
- Use bulk APIs for reset of IP 2.1.0, 2.3.3, 2.4.0
- Add DT "mhi" register region for supported SoCs
- Expose link transition counts via debugfs to help debug low power
issues
- Support system suspend and resume; reduce interconnect bandwidth
and turn off clock and PHY if there are no active devices
- Enable async probe by default to reduce boot time
Miscellaneous:
- Sort controller Kconfig entries by vendor"
* tag 'pci-v6.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (56 commits)
PCI: xilinx: Drop obsolete dependency on COMPILE_TEST
PCI: mobiveil: Sort Kconfig entries by vendor
PCI: dwc: Sort Kconfig entries by vendor
PCI: Sort controller Kconfig entries by vendor
PCI: Use consistent controller Kconfig menu entry language
PCI: xilinx-nwl: Add 'Xilinx' to Kconfig prompt
PCI: hv: Add 'Microsoft' to Kconfig prompt
PCI: meson: Add 'Amlogic' to Kconfig prompt
PCI: Use of_property_present() for testing DT property presence
PCI/PM: Extend D3hot delay for NVIDIA HDA controllers
dt-bindings: PCI: qcom: Document msi-map and msi-map-mask properties
PCI: qcom: Add SM8550 PCIe support
dt-bindings: PCI: qcom: Add SM8550 compatible
PCI: qcom: Add support for SDX55 SoC
dt-bindings: PCI: qcom-ep: Fix the unit address used in example
dt-bindings: PCI: qcom: Add SDX55 SoC
dt-bindings: PCI: qcom: Update maintainers entry
PCI: qcom: Enable async probe by default
PCI: qcom: Add support for system suspend and resume
PCI/PM: Drop pci_bridge_wait_for_secondary_bus() timeout parameter
...
|
||
|
Ard Biesheuvel
|
026b85796a |
efi/zboot: arm64: Grab code size from ELF symbol in payload
Instead of relying on a dodgy dd hack to copy the image code size from the uncompressed image's PE header to the end of the compressed image, let's grab the code size from the symbol that is injected into the ELF object by the Kbuild rules that generate the compressed payload. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> |
||
|
Ard Biesheuvel
|
45dd403da8 |
efi/zboot: arm64: Inject kernel code size symbol into the zboot payload
The EFI zboot code is not built as part of the kernel proper, like the ordinary EFI stub, but still needs access to symbols that are defined only internally in the kernel, and are left unexposed deliberately to avoid creating ABI inadvertently that we're stuck with later. So capture the kernel code size of the kernel image, and inject it as an ELF symbol into the object that contains the compressed payload, where it will be accessible to zboot code that needs it. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> |
||
|
Linus Torvalds
|
df45da57cb |
arm64 updates for 6.4
ACPI: * Improve error reporting when failing to manage SDEI on AGDI device removal Assembly routines: * Improve register constraints so that the compiler can make use of the zero register instead of moving an immediate #0 into a GPR * Allow the compiler to allocate the registers used for CAS instructions CPU features and system registers: * Cleanups to the way in which CPU features are identified from the ID register fields * Extend system register definition generation to handle Enum types when defining shared register fields * Generate definitions for new _EL2 registers and add new fields for ID_AA64PFR1_EL1 * Allow SVE to be disabled separately from SME on the kernel command-line Tracing: * Support for "direct calls" in ftrace, which enables BPF tracing for arm64 Kdump: * Don't bother unmapping the crashkernel from the linear mapping, which then allows us to use huge (block) mappings and reduce TLB pressure when a crashkernel is loaded. Memory management: * Try again to remove data cache invalidation from the coherent DMA allocation path * Simplify the fixmap code by mapping at page granularity * Allow the kfence pool to be allocated early, preventing the rest of the linear mapping from being forced to page granularity Perf and PMU: * Move CPU PMU code out to drivers/perf/ where it can be reused by the 32-bit ARM architecture when running on ARMv8 CPUs * Fix race between CPU PMU probing and pKVM host de-privilege * Add support for Apple M2 CPU PMU * Adjust the generic PERF_COUNT_HW_BRANCH_INSTRUCTIONS event dynamically, depending on what the CPU actually supports * Minor fixes and cleanups to system PMU drivers Stack tracing: * Use the XPACLRI instruction to strip PAC from pointers, rather than rolling our own function in C * Remove redundant PAC removal for toolchains that handle this in their builtins * Make backtracing more resilient in the face of instrumentation Miscellaneous: * Fix single-step with KGDB * Remove harmless warning when 'nokaslr' is passed on the kernel command-line * Minor fixes and cleanups across the board -----BEGIN PGP SIGNATURE----- iQFEBAABCgAuFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAmRChcwQHHdpbGxAa2Vy bmVsLm9yZwAKCRC3rHDchMFjNCgBCADFvkYY9ESztSnd3EpiMbbAzgRCQBiA5H7U F2Wc+hIWgeAeUEttSH22+F16r6Jb0gbaDvsuhtN2W/rwQhKNbCU0MaUME05MPmg2 AOp+RZb2vdT5i5S5dC6ZM6G3T6u9O78LBWv2JWBdd6RIybamEn+RL00ep2WAduH7 n1FgTbsKgnbScD2qd4K1ejZ1W/BQMwYulkNpyTsmCIijXM12lkzFlxWnMtky3uhR POpawcIZzXvWI02QAX+SIdynGChQV3VP+dh9GuFbt7ASigDEhgunvfUYhZNSaqf4 +/q0O8toCtmQJBUhF0DEDSB5T8SOz5v9CKxKuwfaX6Trq0ixFQpZ =78L9 -----END PGP SIGNATURE----- Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 updates from Will Deacon: "ACPI: - Improve error reporting when failing to manage SDEI on AGDI device removal Assembly routines: - Improve register constraints so that the compiler can make use of the zero register instead of moving an immediate #0 into a GPR - Allow the compiler to allocate the registers used for CAS instructions CPU features and system registers: - Cleanups to the way in which CPU features are identified from the ID register fields - Extend system register definition generation to handle Enum types when defining shared register fields - Generate definitions for new _EL2 registers and add new fields for ID_AA64PFR1_EL1 - Allow SVE to be disabled separately from SME on the kernel command-line Tracing: - Support for "direct calls" in ftrace, which enables BPF tracing for arm64 Kdump: - Don't bother unmapping the crashkernel from the linear mapping, which then allows us to use huge (block) mappings and reduce TLB pressure when a crashkernel is loaded. Memory management: - Try again to remove data cache invalidation from the coherent DMA allocation path - Simplify the fixmap code by mapping at page granularity - Allow the kfence pool to be allocated early, preventing the rest of the linear mapping from being forced to page granularity Perf and PMU: - Move CPU PMU code out to drivers/perf/ where it can be reused by the 32-bit ARM architecture when running on ARMv8 CPUs - Fix race between CPU PMU probing and pKVM host de-privilege - Add support for Apple M2 CPU PMU - Adjust the generic PERF_COUNT_HW_BRANCH_INSTRUCTIONS event dynamically, depending on what the CPU actually supports - Minor fixes and cleanups to system PMU drivers Stack tracing: - Use the XPACLRI instruction to strip PAC from pointers, rather than rolling our own function in C - Remove redundant PAC removal for toolchains that handle this in their builtins - Make backtracing more resilient in the face of instrumentation Miscellaneous: - Fix single-step with KGDB - Remove harmless warning when 'nokaslr' is passed on the kernel command-line - Minor fixes and cleanups across the board" * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (72 commits) KVM: arm64: Ensure CPU PMU probes before pKVM host de-privilege arm64: kexec: include reboot.h arm64: delete dead code in this_cpu_set_vectors() arm64/cpufeature: Use helper macro to specify ID register for capabilites drivers/perf: hisi: add NULL check for name drivers/perf: hisi: Remove redundant initialized of pmu->name arm64/cpufeature: Consistently use symbolic constants for min_field_value arm64/cpufeature: Pull out helper for CPUID register definitions arm64/sysreg: Convert HFGITR_EL2 to automatic generation ACPI: AGDI: Improve error reporting for problems during .remove() arm64: kernel: Fix kernel warning when nokaslr is passed to commandline perf/arm-cmn: Fix port detection for CMN-700 arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step arm64: move PAC masks to <asm/pointer_auth.h> arm64: use XPACLRI to strip PAC arm64: avoid redundant PAC stripping in __builtin_return_address() arm64/sme: Fix some comments of ARM SME arm64/signal: Alloc tpidr2 sigframe after checking system_supports_tpidr2() arm64/signal: Use system_supports_tpidr2() to check TPIDR2 arm64/idreg: Don't disable SME when disabling SVE ... |
||
|
Linus Torvalds
|
a907047732 |
ARM: SoC drivers for v6.4
The most notable updates this time are for Qualcomm Snapdragon platforms.
The Inline-Crypto-Engine gets a new DT binding and driver. A number of
drivers now support additional Snapdragon variants, in particular the
rsc, scm, geni, bwm, glink and socinfo, while the llcc (edac) and rpm
drivers get notable functionality updates.
Updates on other platforms include:
- Various updates to the Mediatek mutex and mmsys drivers, including
support for the Helio X10 SoC
- Support for unidirectional mailbox channels in Arm SCMI firmware
- Support for per cpu asynchronous notification in OP-TEE firmware
- Minor updates for memory controller drivers.
- Minor updates for Renesas, TI, Amlogic, Apple, Broadcom, Tegra,
Allwinner, Versatile Express, Canaan, Microchip, Mediatek and i.MX
SoC drivers, mainly updating the use of MODULE_LICENSE() macros and
obsolete DT driver interfaces.
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Merge tag 'soc-drivers-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"The most notable updates this time are for Qualcomm Snapdragon
platforms. The Inline-Crypto-Engine gets a new DT binding and driver,
and a number of drivers now support additional Snapdragon variants, in
particular the rsc, scm, geni, bwm, glink and socinfo, while the llcc
(edac) and rpm drivers get notable functionality updates.
Updates on other platforms include:
- Various updates to the Mediatek mutex and mmsys drivers, including
support for the Helio X10 SoC
- Support for unidirectional mailbox channels in Arm SCMI firmware
- Support for per cpu asynchronous notification in OP-TEE firmware
- Minor updates for memory controller drivers.
- Minor updates for Renesas, TI, Amlogic, Apple, Broadcom, Tegra,
Allwinner, Versatile Express, Canaan, Microchip, Mediatek and i.MX
SoC drivers, mainly updating the use of MODULE_LICENSE() macros and
obsolete DT driver interfaces"
* tag 'soc-drivers-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
soc: ti: smartreflex: Simplify getting the opam_sr pointer
bus: vexpress-config: Add explicit of_platform.h include
soc: mediatek: Kconfig: Add MTK_CMDQ dependency to MTK_MMSYS
memory: mtk-smi: mt8365: Add SMI Support
dt-bindings: memory-controllers: mediatek,smi-larb: add mt8365
dt-bindings: memory-controllers: mediatek,smi-common: add mt8365
memory: tegra: read values from correct device
dt-bindings: crypto: Add Qualcomm Inline Crypto Engine
soc: qcom: Make the Qualcomm UFS/SDCC ICE a dedicated driver
dt-bindings: firmware: document Qualcomm QCM2290 SCM
soc: qcom: rpmh-rsc: Support RSC v3 minor versions
soc: qcom: smd-rpm: Use GFP_ATOMIC in write path
soc/tegra: fuse: Remove nvmem root only access
soc/tegra: cbb: tegra194: Use of_address_count() helper
soc/tegra: cbb: Remove MODULE_LICENSE in non-modules
ARM: tegra: Remove MODULE_LICENSE in non-modules
soc/tegra: flowctrl: Use devm_platform_get_and_ioremap_resource()
soc: tegra: cbb: Drop empty platform remove function
firmware: arm_scmi: Add support for unidirectional mailbox channels
dt-bindings: firmware: arm,scmi: Support mailboxes unidirectional channels
...
|
||
|
Linus Torvalds
|
18032df5ef |
ARM: SoC changes for 6.4
The Oxford Semiconductor OX810/OX820 "oxnas" platform gets retired after the ARM11MPcore processor keeps causing problems in certain corner cases. OX820 was the only remaining SoC with this core after CNS3xxx got retired, and its driver support for never completely merged upstream. The Arm "Realview" reference platform still supports ARM11MPCore in principle, but this was never a product, and the CPU support will get cleaned up later on. Another series updates the mv78xx0 platform, which has been similarly neglected for a while, but should work properly again now. The other changes are minor cleanups across platforms, mostly converting code to more modern interfaces for DT nodes and removing some more code as a follow-up to the large-scale platform removal in linux-6.3. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmRGcU0ACgkQYKtH/8kJ UiehfRAAwVZp+raqc9E4DRYNZVqzZVgm56xXo8BldvohNVnnce0IbonlYx6fzcl3 hSULy/12g52nvH309hr61H3J6SYqZ+I687t7I22f1HJ4AP7xzUxnpb/tOZE9aGN3 pXfQoRvCCKytXr29jSL7NIX3TIVsatFPAb+Gw8AFskdJMLC22/82R1/xpHt+9Fau nRZIwRvE4FmlKiNWIY5xWKV6Y5cdJor6V1PRxwBqgZeJ42dDdL1/ccawnCrkMMeZ lELrC52o9wcCac9YFFYtpJh1MT9DPSylrLv88c3kk5qlIG30lYiPJ8+qz6fOCkqN S0ptoDORBdBYIIsFH35c0EOzB6hu/kSxcNR08aY39zA74k6BEaAuIrKzS02S2Uwi dEgZj+VWoqiWNZwW+lAfa9JVvfIP4a5zsyDk58wq2wDVJ4AUhUeoa7THrBp4ZhqJ j/cfft4Xk3hvTUaer+GZA2Z5keZ+rr5F1fFryumCGYI0mH9olMhmmczZsx8gaQ3x 3B5RIHsxtyy9Ju9qK/YgDCosLXpO8RVgBWaoYGoDuLeq9x1mmkDz81Xc+zRjCdTR oix//iwvLCBNGQSgppyh8atQHT5p8fTWU2DpEfatxpI2CM6bG9NxhPizjuMKt2UM lcHyxJjA9LyEQqmyYTnylqecfMC2TQZtxEcDfB5vcNBmI7sIKYM= =eKgu -----END PGP SIGNATURE----- Merge tag 'soc-arm-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC updates from Arnd Bergmann: "The Oxford Semiconductor OX810/OX820 'Oxnas' platform gets retired after the ARM11MPcore processor keeps causing problems in certain corner cases. OX820 was the only remaining SoC with this core after CNS3xxx got retired, and its driver support was never completely merged upstream. The Arm 'Realview' reference platform still supports ARM11MPCore in principle, but this was never a product, and the CPU support will get cleaned up later on. Another series updates the mv78xx0 platform, which has been similarly neglected for a while, but should work properly again now. The other changes are minor cleanups across platforms, mostly converting code to more modern interfaces for DT nodes and removing some more code as a follow-up to the large-scale platform removal in linux-6.3" * tag 'soc-arm-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (28 commits) ARM: mv78xx0: fix entries for gpios, buttons and usb ports ARM: mv78xx0: add code to enable XOR and CRYPTO engines on mv78xx0 ARM: mv78xx0: set the correct driver for the i2c RTC ARM: mv78xx0: adjust init logic for ts-wxl to reflect single core dev soc: fsl: Use of_property_present() for testing DT property presence ARM: pxa: Use of_property_read_bool() for boolean properties firmware: turris-mox-rwtm: make kobj_type structure constant ARM: oxnas: remove OXNAS support ARM: sh-mobile: Use of_cpu_node_to_id() to read CPU node 'reg' ARM: OMAP2+: hwmod: Use kzalloc for allocating only one element ARM: OMAP2+: Remove the unneeded result variable ARM: OMAP2+: fix repeated words in comments ARM: OMAP2+: remove obsolete config OMAP3_SDRC_AC_TIMING ARM: OMAP2+: Use of_address_to_resource() ARM: OMAP2+: Use of_property_read_bool() for boolean properties ARM: omap1: remove redundant variables err ARM: omap1: Kconfig: Fix indentation ARM: bcm: Use of_address_to_resource() ARM: mstar: remove unused config MACH_MERCURY ARM: spear: remove obsolete config MACH_SPEAR600 ... |
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|
Linus Torvalds
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3f614ab563 |
Interrupt core and drivers updates:
- Core:
- Add tracepoints for tasklet callbacks which makes it possible to
analyze individual tasklet functions instead of guess working
from the overall duration of tasklet processing
- Ensure that secondary interrupt threads have their affinity adjusted
correctly.
- Drivers:
- A large rework of the RISC-V IPI management to prepare for a new
RISC-V interrupt architecture
- Small fixes and enhancements all over the place
- Removal of support for various obsolete hardware platforms and the
related code
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Merge tag 'irq-core-2023-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt updates from Thomas Gleixner:
"Core:
- Add tracepoints for tasklet callbacks which makes it possible to
analyze individual tasklet functions instead of guess working from
the overall duration of tasklet processing
- Ensure that secondary interrupt threads have their affinity
adjusted correctly
Drivers:
- A large rework of the RISC-V IPI management to prepare for a new
RISC-V interrupt architecture
- Small fixes and enhancements all over the place
- Removal of support for various obsolete hardware platforms and the
related code"
* tag 'irq-core-2023-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
irqchip/st: Remove stih415/stih416 and stid127 platforms support
irqchip/gic-v3: Add Rockchip 3588001 erratum workaround
genirq: Update affinity of secondary threads
softirq: Add trace points for tasklet entry/exit
irqchip/loongson-pch-pic: Fix pch_pic_acpi_init calling
irqchip/loongson-pch-pic: Fix registration of syscore_ops
irqchip/loongson-eiointc: Fix registration of syscore_ops
irqchip/loongson-eiointc: Fix incorrect use of acpi_get_vec_parent
irqchip/loongson-eiointc: Fix returned value on parsing MADT
irqchip/riscv-intc: Add empty irq_eoi() for chained irq handlers
RISC-V: Use IPIs for remote icache flush when possible
RISC-V: Use IPIs for remote TLB flush when possible
RISC-V: Allow marking IPIs as suitable for remote FENCEs
RISC-V: Treat IPIs as normal Linux IRQs
irqchip/riscv-intc: Allow drivers to directly discover INTC hwnode
RISC-V: Clear SIP bit only when using SBI IPI operations
irqchip/irq-sifive-plic: Add syscore callbacks for hibernation
irqchip: Use of_property_read_bool() for boolean properties
irqchip/bcm-6345-l1: Request memory region
irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4
...
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Marc Zyngier
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f39157b3c0 |
Merge branch irq/gic-6.4 into irq/irqchip-next
* irq/gic-6.4: : . : Collection of GIC/GICv3 fixes and cleanups : : - Workaround for the nvidia T241 chip that gets confused : in 3 and 4 socket configurations, leading to the GIC : malfunctionning in some contexts : : - Drop support for non-firmware driven GIC configurarations : now that the old ARM11MP Cavium board is gone : : - Workaround for the Rockchip 3588 chip that doesn't : correctly deal with the shareability attributes. : . irqchip/gic-v3: Add Rockchip 3588001 erratum workaround irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4 irqchip/gic: Drop support for board files Signed-off-by: Marc Zyngier <maz@kernel.org> |
||
|
Pierre Asselin
|
1b617bc931 |
firmware/sysfb: Fix VESA format selection
Some legacy BIOSes report no reserved bits in their 32-bit rgb mode, breaking the calculation of bits_per_pixel in commit |
||
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Ard Biesheuvel
|
538bc0f40b |
efi/zboot: Set forward edge CFI compat header flag if supported
Add some plumbing to the zboot EFI header generation to set the newly introduced DllCharacteristicsEx flag associated with forward edge CFI enforcement instructions (BTI on arm64, IBT on x86) x86 does not currently uses the zboot infrastructure, so let's wire it up only for arm64. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> |
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Ard Biesheuvel
|
bca2f3a940 |
efi/zboot: Add BSS padding before compression
We don't really care about the size of the decompressed image - what matters is how much space needs to be allocated for the image to execute, and this includes space for BSS that is not part of the loadable image and so it is not accounted for in the decompressed size. So let's add some zero padding to the end of the image: this compresses well, and it ensures that BSS is accounted for, and as a bonus, it will be zeroed before launching the image. Since all architectures that implement support for EFI zboot carry this value in the header in the same location, we can just grab it from the binary that is being compressed. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> |
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Ard Biesheuvel
|
8358098b97 |
arm64: efi: Enable BTI codegen and add PE/COFF annotation
UEFI heavily relies on so-called protocols, which are essentially tables populated with pointers to executable code, and these are invoked indirectly using BR or BLR instructions. This makes the EFI execution context vulnerable to attacks on forward edge control flow, and so it would help if we could enable hardware enforcement (BTI) on CPUs that implement it. So let's no longer disable BTI codegen for the EFI stub, and set the newly introduced PE/COFF header flag when the kernel is built with BTI landing pads. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Mark Brown <broonie@kernel.org> |
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Dan Carpenter
|
e1d6ca042e |
firmware: stratix10-svc: Fix an NULL vs IS_ERR() bug in probe
The svc_create_memory_pool() function returns error pointers. It never
returns NULL. Fix the check.
Fixes:
|
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Peter Zijlstra
|
48380368de |
Change DEFINE_SEMAPHORE() to take a number argument
Fundamentally semaphores are a counted primitive, but DEFINE_SEMAPHORE() does not expose this and explicitly creates a binary semaphore. Change DEFINE_SEMAPHORE() to take a number argument and use that in the few places that open-coded it using __SEMAPHORE_INITIALIZER(). Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> [mcgrof: add some tribal knowledge about why some folks prefer binary sempahores over mutexes] Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> Reviewed-by: Davidlohr Bueso <dave@stgolabs.net> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> |
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Arnd Bergmann
|
4c87f3ff78 |
Arm SCMI updates for v6.4
The main and only new addition this time around is the support for unidirectional mailbox channels. SCMI communicates between the agent and the platform using one bidirectional 'a2p' channel used by the agent to send SCMI commands and synchronously receive the related replies, and an optional 'p2a' unidirectional channel used to asynchronously receive delayed responses and notifications emitted from the platform. In order to support platforms that support only unidirectional mailbox hardware channels, the existing bindings are extended to support the same. Both bidirectional and unidirectional channels support for the SCMI mailbox can coexist. The correct and effective combination of defined 'mboxes' and 'shmem' descriptors determines the type of the mailbox channel. This also contains a fix for the transfers allocation on Rx channel especially when the base protocol doesn't use Rx channel while some of the protocols can have dedicated Rx channels. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEunHlEgbzHrJD3ZPhAEG6vDF+4pgFAmQ9QqkACgkQAEG6vDF+ 4piUTxAAoScfTHbLJXvPIYiWwtDAn2huYZulwEgyP7IkllcF6s1DO2vFpUnYDg82 Ew+j+mAfylN5NvXIDI73kfltQJWL0+CKHEtIG3UTeqn9SDJOLDC2P6+HGAoRftdz n77ctYyKGL8vgL9gjPh/SVTs74hHbiMLOx7RJJ4udjptEpqT7DriGQneMN8J4F4u utgnJiV/21kqDLw1TUA/Z0pJCDXepMHeg6hBZfBw3bW59MN4rlkMk9bUqF2qk8Q3 vq4stuHZ/USv6Gpv3NLuN3By/+fSJtYrTSTP8jN4NUzjS+trko8CjyPZ19gvUXM8 dPuQyjyQ5eCWczDLy1mXZWG5ZVDbI1QLcGw70b5fro6/TBiky1zx63khrCTPSVIo oy1YajZE4HPmn53AtZ53Ef6fAvlJg35GAXMTd17dvfu0pGTI8qpLPDuEBNVZELbV YpMxm4Xk/yfM8p33Vyq7kYrzesHAfXbdkfFWAWchnpwsqW7YxFYiW9ysOM5zeFTa KiOyGFD1B6IeiLAMGfnShPkl1RsOY0yiD4KvUFUvoT0WVj0kNMNUK5jJv/g92SHG 6D4/25ko1Hb4y+W3lwLceY5G7dnxGxh+SXOnEna+vidwcnz10EcvO/u3/S/ufaBq xQs43loaN72vivzF4cMpJXpVfXWux3Wr6llosQ5ybJSMflEdq+0= =8/Bb -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmQ9aAIACgkQYKtH/8kJ UifrxA/9HZmzS1B5G0hR8JkENHNrCb6eNfygQo0Xbyrz0240k1cM5GK3APo/oDM8 RDTIcjh0o2nm4WJ9xvd0SmNQw9+EsrKi19weWVwoXKfYkniKPA+ULArJDXqy7rVT +m6s4tOJT2KaWVHZUDhSWRjeWIdv8olhXPxrcVvBpXEBRBrt4bO2UZLvJPXxkiSw r8Fih3Wo0QVCOBvxL6PMAQ1IKjqDdQCc1YqnQ+8kOSSfIeE0mVVtxhGAk21Ss8OU GCDJ4bSnReENi0KtKTBFTImfF6S2hxAHCTG8KZaR123I3csslRQHhVp+RnVqO61T buoFdqmN8Rf9/3pHdzw1rc7+LKX22YFn1n5kKGt1yRXgusJw4hw+EYadSSw0K7g+ kFplZqfb84Ps5+43xHZZ8jbc5Ifch/xQs2S3X0ysvqgBrZTZbwsEqn/yLOT6TL1/ g5ykA8lzApBMbk5y/6B7bXUcLtpt60HwXIzFHk0rxmhE9smcjntZ8MvrcbkZjPAY 136L42P2zn3eBd8kKDzUOU1Q/+YGuwpOQ51ZjEGCOcw8+XanDjUAxCec30L2qThx hGrkRY1d2at0pK+xOIQwL/mnyJ52nRzaGXlDBaANhPO/ITAVxgTAPp3MYc6k1hz1 WRG+t1JE2TChm5t881yUhex87w1pL4MgficgPq1BChExk3fJAPM= =maaU -----END PGP SIGNATURE----- Merge tag 'scmi-updates-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers Arm SCMI updates for v6.4 The main and only new addition this time around is the support for unidirectional mailbox channels. SCMI communicates between the agent and the platform using one bidirectional 'a2p' channel used by the agent to send SCMI commands and synchronously receive the related replies, and an optional 'p2a' unidirectional channel used to asynchronously receive delayed responses and notifications emitted from the platform. In order to support platforms that support only unidirectional mailbox hardware channels, the existing bindings are extended to support the same. Both bidirectional and unidirectional channels support for the SCMI mailbox can coexist. The correct and effective combination of defined 'mboxes' and 'shmem' descriptors determines the type of the mailbox channel. This also contains a fix for the transfers allocation on Rx channel especially when the base protocol doesn't use Rx channel while some of the protocols can have dedicated Rx channels. * tag 'scmi-updates-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: firmware: arm_scmi: Add support for unidirectional mailbox channels dt-bindings: firmware: arm,scmi: Support mailboxes unidirectional channels firmware: arm_scmi: Fix xfers allocation on Rx channel firmware: arm_scmi: Use the bitmap API to allocate bitmaps firmware: arm_scmi: Fix device node validation for mailbox transport firmware: arm_scmi: Fix raw coexistence mode behaviour on failure path firmware: arm_scmi: Remove duplicate include header inclusion firmware: arm_scmi: Return a literal instead of a variable firmware: arm_scmi: Clean up a return statement in scmi_probe Link: https://lore.kernel.org/r/20230417145743.1904318-1-sudeep.holla@arm.com Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Arnd Bergmann
|
126c6da71f |
Qualcomm driver updates for v6.4
The Qualcomm SCM driver will now always clear the download bit, avoiding entering download mode on a clean reboot because the bootloader left it set. The vmid bitmap passed to qcom_scm_assign_mem() is transitioned to a well defined size. SM6375 support is added, and SC8180X, QDU1000/QRU1000, IPQ5332 and IPQ9574 compatibles are documented. GENI gains support for newer hardware with deeper FIFOs. The BWMON driver is updated to better handle the two register blocks, which are not consistent between MSM8998 and newer platforms. The LLCC driver no longer assumes a fixes stride across the various banks, and instead acquire the bank placement from DeviceTree. EDAC support for polling is introduced. EDAC support on SDM845 is disabled, as its been observed that accessing relevant registers is not permitted on most devices. PMIC GLINK is reworked to support defining which auxiliary children to spawn per platform, support for spawning a UCSI child is added and SM8450 and SM8550 is introduced. The RPM power-domain driver is cleaned up by moving and generalizing structures that are common between platforms, rather than duplicating everything. Macros are replaced with just direct definition of the relevant structures. Support for defining parent relationships between the power-domains is introduced, like it has been in rpmhpd for a long time. Number of processors has gone up, so max processor count in SMEM is bumped again. Error handling in SMSM is cleaned up using dev_err_probe(). Socinfo is taught about IPQ9574, QCM2290, QRB2210, QRB4210, SM7150, SA8775P and a number of PMICs. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmQ0Ka0VHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3F9MIP/0vjJCDf+EtUJpN1KxwMzmXZRuac wJweQdgfD8m+fB+33Gs9bX8Jw8j4zddZlM45XCHiNsQ72Gs8RqvwCBcjkxtCGrTq Jm33zEWcRjm/7Z1R4bOrGdRM92NAUJK0RePSNSpBoB4s5rdvzYHCYttXGe80A7xI nLLEpxAbUb3y6UtP7adqEpiWtIJ16Nv/Sa1uWGXyhwjwTuBCXFKG2UdsQxJhxLna CkkJ2d4tfVcRcYNh8DEZEX9qs9aikZJvH3QtTe2UpJz8hlNroqmgHZtAWdPbOzAY xAMv/UUeq+kquUJr0cRhcuIRBruUGhnXISqHsc0T6xqyfnq6dR4m/tVfwlQ15BKe zq17mJUiK7fZyWWSkBf8SOPgez8GUaD/2Zqssf4JIKeC/VT3uqW3oejhm6o+sfrG ik0Tph/SVhcVvUQOsVygdf4BQXvOJDnXoZo182XZV4FiESkxnbRlhedzk2+s3agU 0F76hcNgASpskPw37A4uHHC9bwfpWJQWuGVHUVW9Me6CMxxaCcXWIhDc47i6NZeB vrwJGXs8dWCKj9pOdI1Fb9GJ7LvP7kQF9VfdwqA4jstWggooAkNaAfgYnAuprsAC kCCvBOfoB1LjB4fLjf5gJEwr9HOOwS9TPtsfd772IFXdI9zwv9ImDYRMpCX5L3pk aVEW4VjRI6TRTFMB =Bo2w -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmQ5SFYACgkQYKtH/8kJ UieADQ/+JSEbvQapNaxgKpG6HS3uQq+24BUmBvh2MbM5SwPi6D0JqoUx5wtnpg91 uBanGMKqCKkqc64jgNVsRwJW6/d8pdLLx7VCEsJaJPjhvBptD6K2QTFF5Gflbp7a HZmlteqMZG8zdc0KHSCuSXX6RtonAE9xBWBXe5EUhY22eyPB9okhNerRDSHU3add 7fm48p3V5k4/atX4BFYiysiHoAWxnXW+mz1uSfTWuONkW8+vKrAcD5b9ujzXW6ZD TGXmKHY5M08BsqHqDcEBjReuIVcacs63H6rX0JMx0I7uCT1qNvmwEqLeXrXKoo0n hwumr+I2+CEzhhSCkZY8rWH/He7Kd7WxfLAxCMdaDBoZYbxGAAqytZGYBJUx8mY8 RDA8YHfYWt56rhZL8SrwhD0dzLkeDTT5oKXFLtrTTcghOFNJl4uELhUU5wXJGP6q 3GTK0nxIoBKznaCzAhD/9JonS8mO3GbigVhw/yGQeionwZJyl1DXdSeRYGezDeII eKjtKvngoKbt/3Il9yiL+JUaPFIfPwVrIGnMBQjayjyH8m+5TDHD0+f0R5mnW8g8 qLvyga0GndPkFYS0Gpnw8Dqd5NfeRQVGkSJEELyFevnFHldZpVw8kCuejmfjXvGV tsOMjL0iZt4NrIZr5eFBa4b41o47hU8s9WYY/4VEaccuybTCxUc= =wYqZ -----END PGP SIGNATURE----- Merge tag 'qcom-drivers-for-6.4' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers Qualcomm driver updates for v6.4 The Qualcomm SCM driver will now always clear the download bit, avoiding entering download mode on a clean reboot because the bootloader left it set. The vmid bitmap passed to qcom_scm_assign_mem() is transitioned to a well defined size. SM6375 support is added, and SC8180X, QDU1000/QRU1000, IPQ5332 and IPQ9574 compatibles are documented. GENI gains support for newer hardware with deeper FIFOs. The BWMON driver is updated to better handle the two register blocks, which are not consistent between MSM8998 and newer platforms. The LLCC driver no longer assumes a fixes stride across the various banks, and instead acquire the bank placement from DeviceTree. EDAC support for polling is introduced. EDAC support on SDM845 is disabled, as its been observed that accessing relevant registers is not permitted on most devices. PMIC GLINK is reworked to support defining which auxiliary children to spawn per platform, support for spawning a UCSI child is added and SM8450 and SM8550 is introduced. The RPM power-domain driver is cleaned up by moving and generalizing structures that are common between platforms, rather than duplicating everything. Macros are replaced with just direct definition of the relevant structures. Support for defining parent relationships between the power-domains is introduced, like it has been in rpmhpd for a long time. Number of processors has gone up, so max processor count in SMEM is bumped again. Error handling in SMSM is cleaned up using dev_err_probe(). Socinfo is taught about IPQ9574, QCM2290, QRB2210, QRB4210, SM7150, SA8775P and a number of PMICs. * tag 'qcom-drivers-for-6.4' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (51 commits) dt-bindings: firmware: document Qualcomm SC8180X SCM dt-bindings: sram: qcom,imem: document SM6375 IMEM soc: qcom: icc-bwmon: Handle global registers correctly soc: qcom: icc-bwmon: Remove unused struct member soc: qcom: smsm: Use dev_err_probe() firmware: qcom_scm: Add SM6375 compatible soc: qcom: llcc: Add configuration data for SM7150 dt-bindings: arm: msm: Add LLCC for SM7150 dt-bindings: soc: qcom: smd-rpm: re-add missing qcom,rpm-msm8994 soc: qcom: pmic_glink: register ucsi aux device dt-bindings: soc: qcom: qcom,pmic-glink: document SM8550 compatible dt-bindings: soc: qcom: qcom,pmic-glink: document SM8450 compatible firmware: qcom_scm: Clear download bit during reboot dt-bindings: soc: qcom: aoss: Document QDU1000/QRU1000 compatible dt-bindings: firmware: qcom,scm: Update QDU1000/QRU1000 compatible dt-bindings: soc: qcom: smd-rpm: Add IPQ9574 compatible firmware: qcom_scm: Use fixed width src vm bitmap dt-bindings: firmware: qcom,scm: document IPQ5332 SCM dt-bindings: scm: Add compatible for IPQ9574 soc: qcom: rpmpd: Remove useless comments ... Link: https://lore.kernel.org/r/20230410152421.4477-1-andersson@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Arnd Bergmann
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e4fa3c7fc7 |
i.MX drivers update for 6.4:
- Use dev_err_probe() for imx-scu driver to silences EPROBE_DEFER messages. - Add LVDS LPI2C and PWM power domains for scu-pd driver. - A series from Jindong Yue to support module build of imx8m soc driver. - Update imx8m-blk-ctrl driver to scan child nodes for binding drivers. - Reorder structure members in imx8m-blk-ctrl driver by following clang-analyzer suggestion. - Update imx-weim bus driver to use helper function for "ranges" parsing. -----BEGIN PGP SIGNATURE----- iQFIBAABCgAyFiEEFmJXigPl4LoGSz08UFdYWoewfM4FAmQxG6sUHHNoYXduZ3Vv QGtlcm5lbC5vcmcACgkQUFdYWoewfM5k3gf/QJR0kN9aj9AYrkMFYQoIMPGEmBek 2f72o4APQU96hM9bHKcpoEz7lPRlZH6WLip6pZCCEr9SExc2teOsyGEVB33NtNqd u8AipscSF3Snl2ZCYYwc8hd1RlXdIv/mM0R8CyURjdyE06rW3DN0rTjyf5GH2sYn HXFgUL5ks5xclINZFyL3tMatuSNGfpB2iGFl10b1BES0jiDYNN1QXNoUbwsKsyQE FRjRQJXpIo4gJj5hFufxWFODAnk6BZh7CVMM6Ec0J+kLVAzX7X2T3hh6R4TABDGF yX/M+hH6HpGxhDlOg7To97iMXCS3CR51CDDn+VHtJ9TL1t6pI49aB4un0A== =UfBF -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmQ5R4QACgkQYKtH/8kJ UieoyhAA0qqgu8lMLmbx4pehuzuwEmm9Wf0L9xqOi11YZscBQX1NbNg4HwaCOJ1j 4YSXZRcyMuIC05DP6AnM6UAsSjczIU/u2bhjNveg6BJMNcL8nAF69wfKC2VBvsnD gqt/fwa+P6HZ4k7yJT+U7zfrZOokPrc6/CbnUr3BMuczGPI92H8zYa+SH45Vnjza ZGm8sQwu6jzQJ5ti+igBiq8xzpJbzVszSeIvIE3Ivrlew3SfcHbZXn6oO8hb/TNu 1UmBM7Sczg7c55iAnFI95Hj0ZanHDB5RJdrWPJfqnItAR7kjzfbtvHGi/EXNE76s 64LGfvrv5nCZwnpom69WmMCY2NUpF2DDb2X8bsuLQWgmjjm3sJJ4zcyeVeiPf7ff CMyC9UwixVWl/3335NOkVGAxMI4Kq7WA30TI/KF9M7Gbvxhp78Sk1Mi41qOUxgM5 lvoENn7rHiCbPF8kvzk3RIO3IXJpKMSKXf24Bl20lNrpffUEkYHEVUy37IotAHZY W4CC3z+Wb161NiaOCxZd9XoD0Jp58zbEKEMF2AbycmGV5q/DVwgELCIDfBB3LsGc FBsYGYgKyTCeP7wQIDRojrISea3Y47e7cj5RKo/tGDhWfbZPz8cWwBc53I2Y+BHG Cdqsk+PjNO3cl4jsHZ0jbjBqNyPALu8ISePKXCeb3PXvxEUfMMg= =FNEr -----END PGP SIGNATURE----- Merge tag 'imx-drivers-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into soc/drivers i.MX drivers update for 6.4: - Use dev_err_probe() for imx-scu driver to silences EPROBE_DEFER messages. - Add LVDS LPI2C and PWM power domains for scu-pd driver. - A series from Jindong Yue to support module build of imx8m soc driver. - Update imx8m-blk-ctrl driver to scan child nodes for binding drivers. - Reorder structure members in imx8m-blk-ctrl driver by following clang-analyzer suggestion. - Update imx-weim bus driver to use helper function for "ranges" parsing. * tag 'imx-drivers-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: soc: imx: imx8m-blk-ctrl: reordering the fields soc: imx8m: Support building imx8m soc driver as module soc: imx8m: Add MODULE_LICENSE soc: imx: imx8m-blk-ctrl: Add MODULE_LICENSE soc: imx: imx8m-blk-ctrl: Use dev_pm_domain_attach_by_name soc: imx: imx8mp-blk-ctrl: Add MODULE_LICENSE soc: imx: imx8mp-blk-ctrl: Fix typo of imx8m_blk_ctrl_of_match soc: imx: imx8mp-blk-ctrl: Use dev_pm_domain_attach_by_name soc: imx: imx8m-blk-ctrl: Scan subnodes and bind drivers to them firmware: imx: scu-pd: add missed lvds lpi2c and pwm power domains bus: imx-weim: Remove open coded "ranges" parsing firmware: imx: scu: use dev_err_probe Link: https://lore.kernel.org/r/20230408101928.280271-1-shawnguo@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Arnd Bergmann
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871e766df4 |
soc/tegra: Changes for v6.4-rc1
This contains minor fixes and cleanups. Note that one of the patches here includes ARM firmware changes, but I picked that up after checking with Sudeep and Rob because it didn't seem worth splitting it up any further. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmQuvZETHHRyZWRpbmdA bnZpZGlhLmNvbQAKCRDdI6zXfz6zocJcD/4rQKJO2d2GWRIF09ACXudgPBWq3nTI L0Uny9Fou9ZITiknyDuXTZWeAqdyiThp1Ga9oqokinfbNQZnZRhs2nzghf7lamx+ L0gjRsNuVjUmIVKHVdGzEhd/x3VW8uuLJMQKQA6ZjtC4WAS+H4IbDqGhIK/N4rTU wQS23UcQH3lOB7UghhncOYkZqU81SMI5Asgg/oMsCCALhEPxPpEt6pLcwRNJ6WgH cLMQ1+HGuhxijMBrCc680U6lnuK8QlTgUWIqtFO/4d8CFVtfnfjqYPuC6veSilVC uie+l64VxYlsDhCrSzILrUrw6LfQAef/YPUezMktm3eCk9dhaNNg+3Ww1sVzTX4c WFpYtpsTZ86H68EReXrXeXSE1wr8rXmk9qZJUvV195F3YdHePM1JZFso8j5JR6R0 I3egea2iK94xxJL7tHrohfK7hJN0O3003ee4JHTMppveHgvvwX5gYzzd4F72zE1E 7JVYUsKZdTtdc4wOQMSAgXR1FYTD+FVvlMnQivASiboowdk8dmuNoxLNWf+KfUH0 UTfdDWpODbqQ1jMUj63mZBvk3tNih+avwu4rDzJeFdfqulccXv7MJACEEafUm1rc BXl72NK40AEIAdj81Jyjnt9eRvX31pLdgMVayXtu3gGSGvr3w4H5IqVIzkox7P5C w0DxKetnzpcwxQ== =xTHK -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmQ5RAsACgkQYKtH/8kJ UicOVBAAq5+jhbCsNKalqa6GE777b5NxmUK7AjjOuxCYXaOMk60hwEM8xm45tAL3 meo7/mlVcL6Ai/YArybGbxzXkgtk44hPtsv/SWrtLgBnKDrwZea5ZoXchw4gq8Rp k+mxG0dtZI7eei4ACSA95lO2WwrZvu/ecwWq2PpgJXwC7YxuMcOvwuqPZsVcoWio 22B8BPnOuhMsGXCBl90XymTd0OIYgCg0tgP5UaNLGTPxaKH8ijdBOHmcmUgMlXlE sIpaIS45PaC+wGoYEXZmEgyi5PwXLpfY6ieAYFUd/nTMwRnvT2hdSql94QAl96pa BIjnIqNOss7h7SJpGKkLX0kuGfmlPtNrmayJW8J2w1bAwpT7yPhNwaSxwdU8hBsU O9kyCMCqXJMMKwd3FUiu7gtH1PwhGH4CENiIgw1iEVB+6daRVoEWnhuSsIjs6L9u LAaesNGZNKMCr/49KofOGIVztTAqTqxCY1TJW1k25G0u5HeBcm55FqLgfeHcmoNV PXR6M171dRGWNfiuMEZRw3wGPPnYLTD9m0wRnzISIu8eRBb3RfZ74aj/b1PT5Kfq QENExAPQZu5quWHY06GqLciQ2vkdLxL1hd0oG72snWphoiVyagxooBUh8qqwhLZ5 fJulOLX5UWMwJZAkAbw0mQZqNjF1Ai89njH3yi8qbzKSwRFb2QQ= =3Yhy -----END PGP SIGNATURE----- Merge tag 'tegra-for-6.4-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers soc/tegra: Changes for v6.4-rc1 This contains minor fixes and cleanups. Note that one of the patches here includes ARM firmware changes, but I picked that up after checking with Sudeep and Rob because it didn't seem worth splitting it up any further. * tag 'tegra-for-6.4-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: firmware: Use of_property_present() for testing DT property presence firmware: tegra: bpmp: Fix error paths in debugfs Link: https://lore.kernel.org/r/20230406124804.970394-3-thierry.reding@gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Johan Hovold
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4323516879 |
firmware/psci: demote suspend-mode warning to info level
On some Qualcomm platforms, like SC8280XP, the attempt to set PC mode
during boot fails with PSCI_RET_DENIED and since commit
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Nick Alcock
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e518212eb6 |
MIPS: BCM47XX: remove MODULE_LICENSE in non-modules
Since commit
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Greg Kroah-Hartman
|
5790d407da |
Merge 6.3-rc6 into char-misc-next
We need it here to apply other char/misc driver changes to. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Shanker Donthineni
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35727af2b1 |
irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4
The T241 platform suffers from the T241-FABRIC-4 erratum which causes
unexpected behavior in the GIC when multiple transactions are received
simultaneously from different sources. This hardware issue impacts
NVIDIA server platforms that use more than two T241 chips
interconnected. Each chip has support for 320 {E}SPIs.
This issue occurs when multiple packets from different GICs are
incorrectly interleaved at the target chip. The erratum text below
specifies exactly what can cause multiple transfer packets susceptible
to interleaving and GIC state corruption. GIC state corruption can
lead to a range of problems, including kernel panics, and unexpected
behavior.
>From the erratum text:
"In some cases, inter-socket AXI4 Stream packets with multiple
transfers, may be interleaved by the fabric when presented to ARM
Generic Interrupt Controller. GIC expects all transfers of a packet
to be delivered without any interleaving.
The following GICv3 commands may result in multiple transfer packets
over inter-socket AXI4 Stream interface:
- Register reads from GICD_I* and GICD_N*
- Register writes to 64-bit GICD registers other than GICD_IROUTERn*
- ITS command MOVALL
Multiple commands in GICv4+ utilize multiple transfer packets,
including VMOVP, VMOVI, VMAPP, and 64-bit register accesses."
This issue impacts system configurations with more than 2 sockets,
that require multi-transfer packets to be sent over inter-socket
AXI4 Stream interface between GIC instances on different sockets.
GICv4 cannot be supported. GICv3 SW model can only be supported
with the workaround. Single and Dual socket configurations are not
impacted by this issue and support GICv3 and GICv4."
Link: https://developer.nvidia.com/docs/t241-fabric-4/nvidia-t241-fabric-4-errata.pdf
Writing to the chip alias region of the GICD_In{E} registers except
GICD_ICENABLERn has an equivalent effect as writing to the global
distributor. The SPI interrupt deactivate path is not impacted by
the erratum.
To fix this problem, implement a workaround that ensures read accesses
to the GICD_In{E} registers are directed to the chip that owns the
SPI, and disable GICv4.x features. To simplify code changes, the
gic_configure_irq() function uses the same alias region for both read
and write operations to GICD_ICFGR.
Co-developed-by: Vikram Sethi <vsethi@nvidia.com>
Signed-off-by: Vikram Sethi <vsethi@nvidia.com>
Signed-off-by: Shanker Donthineni <sdonthineni@nvidia.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com> (for SMCCC/SOC ID bits)
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230319024314.3540573-2-sdonthineni@nvidia.com
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Bjorn Helgaas
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72a31ff9d7 |
efi/cper: Remove unnecessary aer.h include
<linux/aer.h> is unused, so remove it. Link: https://lore.kernel.org/r/20230307203356.882479-1-helgaas@kernel.org Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Ard Biesheuvel <ardb@kernel.org> |