- 24 1月, 2017 1 次提交
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由 Borislav Petkov 提交于
Assign all notifiers on the MCE decode chain a priority so that they get called in the correct order. Suggested-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NBorislav Petkov <bp@suse.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Yazen Ghannam <Yazen.Ghannam@amd.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/20170123183514.13356-10-bp@alien8.deSigned-off-by: NIngo Molnar <mingo@kernel.org>
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- 01 10月, 2016 1 次提交
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由 Vishal Verma 提交于
Starting a full Address Range Scrub (ARS) on hitting a memory error machine check exception may not always be desirable. Provide a way through sysfs to toggle the behavior between just adding the address (cache line) where the MCE happened to the poison list and doing a full scrub. The former (selective insertion of the address) is done unconditionally. Cc: linux-acpi@vger.kernel.org Cc: Linda Knippers <linda.knippers@hpe.com> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: NVishal Verma <vishal.l.verma@intel.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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- 10 9月, 2016 1 次提交
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由 Vishal Verma 提交于
The check for a 'pmem' type SPA in the MCE handler was inverted due to a merge/rebase error. Fixes: 6839a6d9 nfit: do an ARS scrub on hitting a latent media error Cc: linux-acpi@vger.kernel.org Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: NVishal Verma <vishal.l.verma@intel.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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- 24 7月, 2016 1 次提交
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由 Vishal Verma 提交于
When a latent (unknown to 'badblocks') error is encountered, it will trigger a machine check exception. On a system with machine check recovery, this will only SIGBUS the process(es) which had the bad page mapped (as opposed to a kernel panic on platforms without machine check recovery features). In the former case, we want to trigger a full rescan of that nvdimm bus. This will allow any additional, new errors to be captured in the block devices' badblocks lists, and offending operations on them can be trapped early, avoiding machine checks. This is done by registering a callback function with the x86_mce_decoder_chain and calling the new ars_rescan functionality with the address in the mce notificatiion. Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by: NVishal Verma <vishal.l.verma@intel.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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