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author | Borislav Petkov <bp@suse.de> | 2017-04-18 20:39:24 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2017-04-19 12:04:46 +0200 |
commit | c6a9583fb41c8bd017f643d5bc90a0fe0a92fe43 (patch) | |
tree | 778468d19aabb514809cd930b6766c01002e8205 /drivers | |
parent | 7237c75b2717d59ebf2c2595d416e16a160154e1 (diff) | |
download | linux-c6a9583fb41c8bd017f643d5bc90a0fe0a92fe43.tar.bz2 |
x86/mce: Check MCi_STATUS[MISCV] for usable addr on Intel only
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>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions