diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2022-10-10 11:03:31 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2022-10-10 11:03:43 +0200 |
| commit | dfd2d876b3fda1790bc0239ba4c6967e25d16e91 (patch) | |
| tree | 45c2ec4b25afdf7b521dec642f6b75112bb401a3 /arch/x86/kernel/cpu/mce | |
| parent | a790cc3a4fad75048295571a350b95b87e022a5a (diff) | |
| parent | 10d5ea5a436da8d60cdb5845f454d595accdbce0 (diff) | |
| download | linux-dfd2d876b3fda1790bc0239ba4c6967e25d16e91.tar.bz2 | |
Merge remote-tracking branch 'wireless/main' into wireless-next
Pull in wireless/main content since some new code would
otherwise conflict with it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'arch/x86/kernel/cpu/mce')
| -rw-r--r-- | arch/x86/kernel/cpu/mce/apei.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/mce/apei.c b/arch/x86/kernel/cpu/mce/apei.c index 717192915f28..8ed341714686 100644 --- a/arch/x86/kernel/cpu/mce/apei.c +++ b/arch/x86/kernel/cpu/mce/apei.c @@ -29,15 +29,26 @@ void apei_mce_report_mem_error(int severity, struct cper_sec_mem_err *mem_err) { struct mce m; + int lsb; if (!(mem_err->validation_bits & CPER_MEM_VALID_PA)) return; + /* + * Even if the ->validation_bits are set for address mask, + * to be extra safe, check and reject an error radius '0', + * and fall back to the default page size. + */ + if (mem_err->validation_bits & CPER_MEM_VALID_PA_MASK) + lsb = find_first_bit((void *)&mem_err->physical_addr_mask, PAGE_SHIFT); + else + lsb = PAGE_SHIFT; + mce_setup(&m); m.bank = -1; /* Fake a memory read error with unknown channel */ m.status = MCI_STATUS_VAL | MCI_STATUS_EN | MCI_STATUS_ADDRV | MCI_STATUS_MISCV | 0x9f; - m.misc = (MCI_MISC_ADDR_PHYS << 6) | PAGE_SHIFT; + m.misc = (MCI_MISC_ADDR_PHYS << 6) | lsb; if (severity >= GHES_SEV_RECOVERABLE) m.status |= MCI_STATUS_UC; |