mirror_ubuntu-kernels/tools/testing
Dave Jiang e764f12208 cxl: Move cxl_await_media_ready() to before capacity info retrieval
Move cxl_await_media_ready() to cxl_pci probe before driver starts issuing
IDENTIFY and retrieving memory device information to ensure that the
device is ready to provide the information. Allow cxl_pci_probe() to succeed
even if media is not ready. Cache the media failure in cxlds and don't ask
the device for any media information.

The rationale for proceeding in the !media_ready case is to allow for
mailbox operations to interrogate and/or remediate the device. After
media is repaired then rebinding the cxl_pci driver is expected to
restart the capacity scan.

Suggested-by: Dan Williams <dan.j.williams@intel.com>
Fixes: b39cb1052a ("cxl/mem: Register CXL memX devices")
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/168445310026.3251520.8124296540679268206.stgit@djiang5-mobl3
[djbw: fixup cxl_test]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2023-05-18 16:43:45 -07:00
..
crypto/chacha20-s390
cxl cxl: Move cxl_await_media_ready() to before capacity info retrieval 2023-05-18 16:43:45 -07:00
fault-injection
ktest ktest: Restore stty setting at first in dodie 2023-02-20 11:52:27 -05:00
kunit kunit: tool: Add support for SH under QEMU 2023-04-05 12:51:16 -06:00
memblock mm, treewide: redefine MAX_ORDER sanely 2023-04-05 19:42:46 -07:00
nvdimm Driver core changes for 6.4-rc1 2023-04-27 11:53:57 -07:00
radix-tree maple_tree: add a test case to check maple_alloc 2023-04-18 16:29:56 -07:00
scatterlist
selftests Networking fixes for 6.4-rc2, including fixes from netfilter 2023-05-11 08:42:47 -05:00
vsock vsock/test: update expected return values 2023-04-04 12:46:24 +02:00