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| author | Tony Luck <tony.luck@intel.com> | 2021-05-27 15:28:46 -0700 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-05-28 16:57:16 +0200 |
| commit | 40cd0aae5957ec175b73dc17dce6079d33fa74f6 (patch) | |
| tree | e22af5aff5b90b2dc4bc6af1ec660745126fec9c /drivers | |
| parent | 94a311ce248e0b53c76e110fd00511af47b72ffb (diff) | |
| download | lwn-40cd0aae5957ec175b73dc17dce6079d33fa74f6.tar.gz lwn-40cd0aae5957ec175b73dc17dce6079d33fa74f6.zip | |
x86/mce: Include a MCi_MISC value in faked mce logs
When BIOS reports memory errors to Linux using the ACPI/APEI
error reporting method Linux creates a "struct mce" to pass
to the normal reporting code path.
The constructed record doesn't include a value for the "misc"
field of the structure, and so mce_usable_address() says this
record doesn't include a valid address.
Net result is that functions like uc_decode_notifier() will
just ignore this record instead of taking action to offline
a page.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210527222846.931851-1-tony.luck@intel.com
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions