From: Borislav Petkov Date: Wed, 2 Jun 2010 18:29:21 +0000 (+0200) Subject: x86, AMD: Extend support to future families X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=12d8a961289644d265d8b3e88201878837c3b814;p=linux-beck.git x86, AMD: Extend support to future families Extend support to future families, and in particular: * extend direct mapping split of Tseg SMM area. * extend K8 flavored alternatives (NOPS). * rep movs* prefix is fast in ucode. Signed-off-by: Borislav Petkov LKML-Reference: <20100602182921.GA21557@aftab> Signed-off-by: H. Peter Anvin --- diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index e485825130d2..12b9cff047c1 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -466,7 +466,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) } } - if (c->x86 == 0x10 || c->x86 == 0x11) + if (c->x86 >= 0x10) set_cpu_cap(c, X86_FEATURE_REP_GOOD); /* get apicid instead of initial apic id from cpuid */ @@ -529,7 +529,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) num_cache_leaves = 3; } - if (c->x86 >= 0xf && c->x86 <= 0x11) + if (c->x86 >= 0xf) set_cpu_cap(c, X86_FEATURE_K8); if (cpu_has_xmm2) { @@ -546,7 +546,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) fam10h_check_enable_mmcfg(); } - if (c == &boot_cpu_data && c->x86 >= 0xf && c->x86 <= 0x11) { + if (c == &boot_cpu_data && c->x86 >= 0xf) { unsigned long long tseg; /*