EDAC/mce_amd: Print !SMCA processor warning only once

This warning is output for every virtual CPU in a guest on an EPYC 2
system because kvm doesn't enable SMCA. Once is enough too.

 [ bp: Massage. ]

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200217134627.19765-1-prarit@redhat.com

diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index ea980c5..8874b77 100644 (file)
--- 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;
 
        default: