On Mon, Feb 17, 2014 at 11:49:51AM -0600, Aravind Gopalakrishnan wrote:
> If MCE decoding support does not exist for a particular family/model,
> and if one tries to inject errors using mce_amd_inj module, it leads
> to kernel OOPS. Especially if we inject errors to MC0, MC1, MC2 banks.
Well, we shouldn't even be loading the module on unsupported hw, i.e.,
something like that:
--
diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c
index 30f7309446a6..3ef997bfb89d 100644
--- a/drivers/edac/mce_amd.c
+++ b/drivers/edac/mce_amd.c
@@ -816,10 +816,10 @@ static int __init mce_amd_init(void)
struct cpuinfo_x86 *c = &boot_cpu_data;
if (c->x86_vendor != X86_VENDOR_AMD)
- return 0;
+ return -ENODEV;
if (c->x86 < 0xf || c->x86 > 0x16)
- return 0;
+ return -ENODEV;
fam_ops = kzalloc(sizeof(struct amd_decoder_ops), GFP_KERNEL);
if (!fam_ops)
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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