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 <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Cc: James Morse <[email protected]>
Cc: Robert Richter <[email protected]>
Cc: Yazen Ghannam <[email protected]>
Cc: Wei Huang <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
 arch/x86/kernel/cpu/mce/core.c | 2 ++
 drivers/edac/mce_amd.c         | 3 +++
 2 files changed, 5 insertions(+)

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);
 
-- 
2.17.1

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