| Message ID | 20200623130059.8870-1-Smita.KoralahalliChannabasappa@amd.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | x86/mce, edac/mce_amd: Print PPIN in machine check records | expand |
On Tue, Jun 23, 2020 at 08:00:59AM -0500, Smita Koralahalli wrote:
> For AMD processors that support Protected Processor Identification
Not only AMD processors - Intel support it too. I've made the commit
message vendor-agnostic.
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index ce9120c4f740..0865349502d5 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -244,6 +244,8 @@ static void __print_mce(struct mce *m) pr_cont("ADDR %llx ", m->addr); if (m->misc) pr_cont("MISC %llx ", m->misc); + if (m->ppin) + pr_cont("PPIN %llx ", m->ppin); if (mce_flags.smca) { if (m->synd) diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index 2b5401db56ad..325aedf46ff2 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -1094,6 +1094,9 @@ amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data) if (m->status & MCI_STATUS_ADDRV) pr_emerg(HW_ERR "Error Addr: 0x%016llx\n", m->addr); + if (m->ppin) + pr_emerg(HW_ERR "PPIN: 0x%016llx\n", m->ppin); + if (boot_cpu_has(X86_FEATURE_SMCA)) { pr_emerg(HW_ERR "IPID: 0x%016llx", m->ipid);
For AMD processors that support Protected Processor Identification Number (PPIN), the PPIN information is included in machine check records. If present, print it along with other decoded MCA information. Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: James Morse <james.morse@arm.com> Cc: Robert Richter <rrichter@marvell.com> Cc: Yazen Ghannam <yazen.ghannam@amd.com> Cc: Wei Huang <wei.huang2@amd.com> Cc: x86@kernel.org Cc: linux-edac@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- arch/x86/kernel/cpu/mce/core.c | 2 ++ drivers/edac/mce_amd.c | 3 +++ 2 files changed, 5 insertions(+)