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x86/mce, EDAC/mce_amd: Print MCA_SYND and MCA_IPID during MCE on SMCA systems 

The MCA_SYND and MCA_IPID registers contain valuable information and
should be included in MCE output. The MCA_SYND register contains
syndrome and other error information, and the MCA_IPID register will
uniquely identify the MCA bank's type without having to rely on system
software.

Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1472680624-34221-2-git-send-email-Yazen.Ghannam@amd.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Yazen Ghannam 2016-09-12 09:59:38 +02:00 committed by Thomas Gleixner
parent 5828c46f2c
commit 4b711f92c9
2 changed files with 9 additions and 0 deletions
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7
arch/x86/kernel/cpu/mcheck/mce.c
View File

@ -293,6 +293,13 @@ static void print_mce(struct mce *m)
if (m->misc)
pr_cont("MISC %llx ", m->misc);
if (mce_flags.smca) {
if (m->synd)
pr_cont("SYND %llx ", m->synd);
if (m->ipid)
pr_cont("IPID %llx ", m->ipid);
}
pr_cont("\n");
/*
* Note this output is parsed by external tools and old fields

2
drivers/edac/mce_amd.c
View File

@ -984,6 +984,8 @@ int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
if (m->status & MCI_STATUS_SYNDV)
pr_cont(", Syndrome: 0x%016llx", m->synd);
pr_cont(", IPID: 0x%016llx", m->ipid);
pr_cont("\n");
decode_smca_errors(m);