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authorBorislav Petkov <bp@suse.de>2017-04-18 20:39:24 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-04-19 12:04:46 +0200
commitc6a9583fb41c8bd017f643d5bc90a0fe0a92fe43 (patch)
tree778468d19aabb514809cd930b6766c01002e8205 /Documentation/admin-guide/kernel-parameters.txt
parent7237c75b2717d59ebf2c2595d416e16a160154e1 (diff)
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 'Documentation/admin-guide/kernel-parameters.txt')
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