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mce_usable_address() does a bunch of basic sanity checks to verify
whether the address reported with the error is usable for further
processing. However, we do check MCi_STATUS[MISCV] and that is not
needed on AMD as that bit says that there's additional information about
the logged error in the MCi_MISCj banks.
But we don't need that to know whether the address is usable - we only
need to know whether the physical address is valid - i.e., ADDRV.
On Intel the MISCV bit is needed to perform additional checks to determine
whether the reported address is a physical one, etc.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Yazen Ghannam <yazen.ghannam@amd.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170418183924.6agjkebilwqj26or@pd.tnic
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
c6a9583fb4