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Date:   Mon, 17 Feb 2020 08:46:27 -0500
From:   Prarit Bhargava <>
Cc:     Prarit Bhargava <>,
        Borislav Petkov <>,
        Mauro Carvalho Chehab <>,
        Tony Luck <>,
        James Morse <>,
        Robert Richter <>,
Subject: [PATCH] EDAC/mce_amd: Output Scalable MCA processor warning once

This warning is output for every virtual cpu in a guest on an EPYC 2
system.  The warning only needs to be logged one time.

Output the warning only once.

Signed-off-by: Prarit Bhargava <>
Cc: Borislav Petkov <>
Cc: Mauro Carvalho Chehab <>
Cc: Tony Luck <>
Cc: James Morse <>
Cc: Robert Richter <>
 drivers/edac/mce_amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index ea980c556f2e..8874b7722b2f 100644
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -1239,7 +1239,7 @@ static int __init mce_amd_init(void)
 	case 0x17:
 	case 0x18:
-		pr_warn("Decoding supported only on Scalable MCA processors.\n");
+		pr_warn_once("Decoding supported only on Scalable MCA processors.\n");
 		return -EINVAL;

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