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linux-yocto/drivers/cxl
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Li Ming 9be45061dd cxl/edac: Fix wrong dpa checking for PPR operation 
[ Upstream commit 03ff65c025 ]

Per Table 8-143. "Get Partition Info Output Payload" in CXL r3.2 section
8.2.10.9.2.1 "Get Partition Info(Opcode 4100h)", DPA 0 is a valid
address of a CXL device. However, cxl_do_ppr() considers it as an
invalid address, so that user will get an -EINVAL when user calls the
sysfs interface of the edac driver to trigger a Post Package Repair(PPR)
operation for DPA 0 on a CXL device. The correct implementation should
be checking if the input DPA is in the DPA range of the CXL device.

Fixes: be9b359e05 ("cxl/edac: Add CXL memory device soft PPR control feature")
Signed-off-by: Li Ming <ming.li@zohomail.com>
Tested-by: Shiju Jose <shiju.jose@huawei.com>
Reviewed-by: Shiju Jose <shiju.jose@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Link: https://patch.msgid.link/20250711032357.127355-3-ming.li@zohomail.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-15 16:39:06 +02:00
..
core cxl/edac: Fix wrong dpa checking for PPR operation 2025-08-15 16:39:06 +02:00
acpi.c cxl: Sync up the driver-api/cxl documentation 2025-05-13 15:12:15 -07:00
cxl.h Merge branch 'for-6.16/cxl-features-ras' into cxl-for-next 2025-05-23 13:26:24 -07:00
cxlmem.h cxl/edac: Support for finding memory operation attributes from the current boot 2025-05-23 13:24:38 -07:00
cxlpci.h cxl/pci: Support Global Persistent Flush (GPF) 2025-03-14 15:50:22 -07:00
Kconfig cxl/edac: Support for finding memory operation attributes from the current boot 2025-05-23 13:24:38 -07:00
Makefile cxl/port: Fix CXL port initialization order when the subsystem is built-in 2024-10-25 16:06:49 -05:00
mem.c cxl/edac: Add CXL memory device patrol scrub control feature 2025-05-23 13:24:09 -07:00
pci.c cxl: Fix devm host device for CXL fwctl initialization 2025-04-18 09:33:04 -07:00
pmem.c cxl/pci: Drop the parameter is_port of cxl_gpf_get_dvsec() 2025-04-09 12:48:18 -07:00
pmu.h
port.c cxl/region: Move find_cxl_root() to cxl_add_to_region() 2025-05-09 09:48:26 -07:00
security.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00