From f912ead404ffa24db7f4aee527aff411db39262a Mon Sep 17 00:00:00 2001 From: Gabriel Craciunescu Date: Wed, 11 Apr 2018 17:17:06 +0200 Subject: [PATCH] Revert "x86/ACPI/cstate: Allow ACPI C1 FFH MWAIT use on AMD systems" This reverts commit 5209654a46ee71137ad9b06da99d4ef2794475af. Please see: https://community.amd.com/thread/224000 --- arch/x86/kernel/acpi/cstate.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c index dde437f5d14f..8233a630280f 100644 --- a/arch/x86/kernel/acpi/cstate.c +++ b/arch/x86/kernel/acpi/cstate.c @@ -167,8 +167,7 @@ static int __init ffh_cstate_init(void) { struct cpuinfo_x86 *c = &boot_cpu_data; - if (c->x86_vendor != X86_VENDOR_INTEL && - c->x86_vendor != X86_VENDOR_AMD) + if (c->x86_vendor != X86_VENDOR_INTEL) return -1; cpu_cstate_entry = alloc_percpu(struct cstate_entry); -- 2.17.0