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authorYazen Ghannam <yazen.ghannam@amd.com>2020-01-10 01:56:48 +0000
committerBorislav Petkov <bp@suse.de>2020-01-16 17:09:13 +0100
commit9f6aef86315ac31481a288ba1b3f43b2aac93757 (patch)
tree431b0b0bafbdedc339def8d146205dc8208e32b4 /drivers/edac/mce_amd.c
parent89a76171bf50bd20d44338408b8c09433c302956 (diff)
downloadlinux-9f6aef86315ac31481a288ba1b3f43b2aac93757.tar.bz2
EDAC/mce_amd: Always load on SMCA systems
MCA error decoding on SMCA systems is not dependent on family. Return success early if the system supports the SMCA feature. Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20200110015651.14887-3-Yazen.Ghannam@amd.com
Diffstat (limited to 'drivers/edac/mce_amd.c')
-rw-r--r--drivers/edac/mce_amd.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index aa6ea53f7d14..524c63fdad42 100644
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -1189,6 +1189,11 @@ static int __init mce_amd_init(void)
if (!fam_ops)
return -ENOMEM;
+ if (boot_cpu_has(X86_FEATURE_SMCA)) {
+ xec_mask = 0x3f;
+ goto out;
+ }
+
switch (c->x86) {
case 0xf:
fam_ops->mc0_mce = k8_mc0_mce;
@@ -1237,11 +1242,8 @@ static int __init mce_amd_init(void)
case 0x17:
case 0x18:
- xec_mask = 0x3f;
- if (!boot_cpu_has(X86_FEATURE_SMCA)) {
- printk(KERN_WARNING "Decoding supported only on Scalable MCA processors.\n");
- goto err_out;
- }
+ pr_warn("Decoding supported only on Scalable MCA processors.\n");
+ goto err_out;
break;
default:
@@ -1249,6 +1251,7 @@ static int __init mce_amd_init(void)
goto err_out;
}
+out:
pr_info("MCE: In-kernel MCE decoding enabled.\n");
mce_register_decode_chain(&amd_mce_dec_nb);