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* [PATCH] EDAC/mce_amd: Print !SMCA processor warning for 0x19 family
@ 2021-04-28  3:15 Kaige Fu
  2021-04-28  9:06 ` Borislav Petkov
  0 siblings, 1 reply; 3+ messages in thread
From: Kaige Fu @ 2021-04-28  3:15 UTC (permalink / raw)
  To: linux-edac
  Cc: Kaige Fu, Shannon Zhao, Borislav Petkov, Mauro Carvalho Chehab,
	Tony Luck, James Morse, Robert Richter

KVM doesn't enable SMCA for 0x19 family AMD processors.
Consequently, a warning as following will be print when load
edac_mce_amd.ko in a virtual machine.

"Huh? What family is it: 0x19?!"

To make the log more clear, this patch prints !SMCA processor
warning for 0x19 family.

Signed-off-by: Kaige Fu <>
Cc: Shannon Zhao <>
Cc: Borislav Petkov <>
Cc: Mauro Carvalho Chehab <>
Cc: Tony Luck <>
Cc: James Morse <>
Cc: Robert Richter <>
 drivers/edac/mce_amd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index 5dd905a3f30c..0602082c1ef0 100644
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -1229,6 +1229,7 @@ static int __init mce_amd_init(void)
 	case 0x17:
 	case 0x18:
+	case 0x19:
 		pr_warn_once("Decoding supported only on Scalable MCA processors.\n");
 		return -EINVAL;

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-04-30  2:47 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-04-28  3:15 [PATCH] EDAC/mce_amd: Print !SMCA processor warning for 0x19 family Kaige Fu
2021-04-28  9:06 ` Borislav Petkov
2021-04-30  2:47   ` Kaige Fu

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