x86/mce, EDAC/mce_amd: Print PPIN in machine check records

Print the Protected Processor Identification Number (PPIN) on processors
which support it.

 [ bp: Massage. ]

Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200623130059.8870-1-Smita.KoralahalliChannabasappa@amd.com

diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index ce9120c..0865349 100644 (file)
--- 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 2b5401d..325aedf 100644 (file)
--- 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);