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0339dc39a5
linux/drivers/cxl
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Smita Koralahalli 0339dc39a5 cxl/pci: Fix appropriate checking for _OSC while handling CXL RAS registers 
cxl_pci fails to unmask CXL protocol errors when CXL memory error reporting
is not granted native control. Given that CXL memory error reporting uses
the event interface and protocol errors use AER, unmask protocol errors
based only on the native AER setting. Without this change end user
deployments will fail to report protocol errors in the case where native
memory error handling is not granted to Linux.

Also, return zero instead of an error code to not block the communication
with the cxl device when in native memory error reporting mode.

Fixes: 248529edc8 ("cxl: add RAS status unmasking for CXL")
Cc: <stable@vger.kernel.org>
Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
Reviewed-by: Robert Richter <rrichter@amd.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20230823234305.27333-2-Smita.KoralahalliChannabasappa@amd.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2023-09-11 15:23:20 -07:00
..
core cxl/memdev: Only show sanitize sysfs files when supported 2023-07-28 13:16:54 -06:00
acpi.c cxl/acpi: Return 'rc' instead of '0' in cxl_parse_cfmws() 2023-07-18 11:55:09 -06:00
cxl.h Merge branch 'for-6.5/cxl-rch-eh' into for-6.5/cxl 2023-06-25 18:56:13 -07:00
cxlmem.h cxl/memdev: Only show sanitize sysfs files when supported 2023-07-28 13:16:54 -06:00
cxlpci.h cxl/pci: Find and register CXL PMU devices 2023-05-30 11:20:35 -07:00
Kconfig cxl: fix CONFIG_FW_LOADER dependency 2023-07-14 14:32:22 -06:00
Makefile cxl/pmem: Introduce nvdimm_security_ops with ->get_flags() operation 2022-11-30 16:30:47 -08:00
mem.c Merge branch 'for-6.5/cxl-rch-eh' into for-6.5/cxl 2023-06-25 18:56:13 -07:00
pci.c cxl/pci: Fix appropriate checking for _OSC while handling CXL RAS registers 2023-09-11 15:23:20 -07:00
pmem.c cxl/mbox: Move mailbox related driver state to its own data structure 2023-06-25 14:31:08 -07:00
pmu.h cxl/pci: Find and register CXL PMU devices 2023-05-30 11:20:35 -07:00
port.c Merge branch 'for-6.5/cxl-rch-eh' into for-6.5/cxl 2023-06-25 18:56:13 -07:00
security.c Merge branch 'for-6.5/cxl-type-2' into for-6.5/cxl 2023-06-25 17:16:51 -07:00