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Previous AMD systems have had a bit in MCA_STATUS to indicate that an error was detected on a scrub operation. However, this bit was defined differently within different banks and families/models. Starting with Family 17h, MCA_STATUS[40] is either Reserved/Read-as-Zero or defined as "Scrub", for all MCA banks and CPU models. Therefore, this bit can be defined as the "Scrub" bit. Define MCA_STATUS[40] as "Scrub" and decode it in the AMD MCE decoding module for Family 17h and newer systems. Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Morse <james.morse@arm.com> Cc: linux-edac <linux-edac@vger.kernel.org> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Pu Wen <puwen@hygon.cn> Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20190212212417.107049-1-Yazen.Ghannam@amd.com |
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