AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/arch/x86/kernel/cpu/mcheck
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Vishal Verma e8a308e5f4 acpi/nfit, x86/mce: Validate a MCE's address before using it 
The NFIT machine check handler uses the physical address from the mce
structure, and compares it against information in the ACPI NFIT table
to determine whether that location lies on an NVDIMM. The mce->addr
field however may not always be valid, and this is indicated by the
MCI_STATUS_ADDRV bit in the status field.

Export mce_usable_address() which already performs validation for the
address, and use it in the NFIT handler.

Fixes: 6839a6d96f ("nfit: do an ARS scrub on hitting a latent media error")
Reported-by: Robert Elliott <elliott@hpe.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Arnd Bergmann <arnd@arndb.de>
Cc: Dan Williams <dan.j.williams@intel.com>
CC: Dave Jiang <dave.jiang@intel.com>
CC: elliott@hpe.com
CC: "H. Peter Anvin" <hpa@zytor.com>
CC: Ingo Molnar <mingo@redhat.com>
CC: Len Brown <lenb@kernel.org>
CC: linux-acpi@vger.kernel.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: linux-nvdimm@lists.01.org
CC: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
CC: "Rafael J. Wysocki" <rjw@rjwysocki.net>
CC: Ross Zwisler <zwisler@kernel.org>
CC: stable <stable@vger.kernel.org>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Tony Luck <tony.luck@intel.com>
CC: x86-ml <x86@kernel.org>
CC: Yazen Ghannam <yazen.ghannam@amd.com>
Link: http://lkml.kernel.org/r/20181026003729.8420-2-vishal.l.verma@intel.com
2018-11-06 19:13:26 +01:00
..
dev-mcelog.c x86/mcelog: Remove one mce_helper definition 2018-10-18 00:05:04 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mce_amd.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
mce_intel.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mce-apei.c x86/ras: Flip the TSC-adding logic 2017-01-24 09:14:54 +01:00
mce-genpool.c x86/mce: Make the MCE notifier a blocking one 2017-04-18 22:23:48 +02:00
mce-inject.c x86/mce-inject: Reset injection struct after injection 2018-09-21 14:28:37 +02:00
mce-internal.h x86/memory_failure: Introduce {set, clear}_mce_nospec() 2018-08-20 09:22:45 -07:00
mce-severity.c x86/mce: Add Hygon Dhyana support to the MCA infrastructure 2018-09-27 18:28:59 +02:00
mce.c acpi/nfit, x86/mce: Validate a MCE's address before using it 2018-11-06 19:13:26 +01:00
p5.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
therm_throt.c x86/mce: Remove duplicated tracing interrupt code 2017-08-29 11:42:26 +02:00
threshold.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
winchip.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00