Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4b711f92 authored by Yazen Ghannam's avatar Yazen Ghannam Committed by Thomas Gleixner
Browse files

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: default avatarYazen Ghannam <Yazen.Ghannam@amd.com>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1472680624-34221-2-git-send-email-Yazen.Ghannam@amd.com


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 5828c46f

arch/x86/kernel/cpu/mcheck/mce.c

+7 −0
Original line number Diff line number Diff line
@@ -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

drivers/edac/mce_amd.c

+2 −0
Original line number Diff line number Diff line
@@ -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);