From e045c29126eae3a8cfdf8507baa75b5c70fd4f53 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Fri, 6 Aug 2010 18:55:45 +0200 Subject: [PATCH] MCE, AMD: Limit MCE decoding to current families for now Limit MCE error decoding to current and older families only (K8-F11h). Signed-off-by: Borislav Petkov --- drivers/edac/edac_mce_amd.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c index bae9351e9473..352dcc6c8971 100644 --- a/drivers/edac/edac_mce_amd.c +++ b/drivers/edac/edac_mce_amd.c @@ -426,11 +426,15 @@ static struct notifier_block amd_mce_dec_nb = { static int __init mce_amd_init(void) { /* - * We can decode MCEs for Opteron and later CPUs: + * We can decode MCEs for K8, F10h and F11h CPUs: */ - if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && - (boot_cpu_data.x86 >= 0xf)) - atomic_notifier_chain_register(&x86_mce_decoder_chain, &amd_mce_dec_nb); + if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD) + return 0; + + if (boot_cpu_data.x86 < 0xf || boot_cpu_data.x86 > 0x11) + return 0; + + atomic_notifier_chain_register(&x86_mce_decoder_chain, &amd_mce_dec_nb); return 0; } -- 2.20.1