From: Chen Gong Date: Fri, 20 Apr 2012 23:02:05 +0000 (-0700) Subject: x86/mce Add validation check before GHES error is recorded X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8571723a698dcc0ee16c1c63908aa99dd940ce5c;p=linux-beck.git x86/mce Add validation check before GHES error is recorded When GHES error record is logged into mcelog kernel buffer, a validation check for physical address is necessary, which prevents reporting an invalid physical address. [Since physical address is the only useful element in this error record, we drop generating the record completely if we don't have a valid address] Signed-off-by: Chen Gong Signed-off-by: Tony Luck --- diff --git a/arch/x86/kernel/cpu/mcheck/mce-apei.c b/arch/x86/kernel/cpu/mcheck/mce-apei.c index 507ea58688e2..cd8b166a1735 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-apei.c +++ b/arch/x86/kernel/cpu/mcheck/mce-apei.c @@ -42,7 +42,8 @@ void apei_mce_report_mem_error(int corrected, struct cper_sec_mem_err *mem_err) struct mce m; /* Only corrected MC is reported */ - if (!corrected) + if (!corrected || !(mem_err->validation_bits & + CPER_MEM_VALID_PHYSICAL_ADDRESS)) return; mce_setup(&m);