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| author | Ingo Molnar <mingo@kernel.org> | 2015-08-25 09:59:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-08-25 09:59:19 +0200 |
| commit | 8d58b66ed2b000f27658c88a4ed70e8042e86a58 (patch) | |
| tree | 5bae2c74f932b5d863f72cb698a6f71260340b26 /arch/x86/kernel/alternative.c | |
| parent | 13fe86f465b72fc9328d4f5ebc33223c011852ae (diff) | |
| parent | c13dcf9f2d6f5f06ef1bf79ec456df614c5e058b (diff) | |
| download | linux-8d58b66ed2b000f27658c88a4ed70e8042e86a58.tar.gz linux-8d58b66ed2b000f27658c88a4ed70e8042e86a58.tar.xz | |
Merge tag 'v4.2-rc8' into x86/mm, before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/alternative.c')
| -rw-r--r-- | arch/x86/kernel/alternative.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index aef653193160..c42827eb86cf 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -21,6 +21,10 @@ #include <asm/io.h> #include <asm/fixmap.h> +int __read_mostly alternatives_patched; + +EXPORT_SYMBOL_GPL(alternatives_patched); + #define MAX_PATCH_LEN (255-1) static int __initdata_or_module debug_alternative; @@ -227,6 +231,15 @@ void __init arch_init_ideal_nops(void) #endif } break; + + case X86_VENDOR_AMD: + if (boot_cpu_data.x86 > 0xf) { + ideal_nops = p6_nops; + return; + } + + /* fall through */ + default: #ifdef CONFIG_X86_64 ideal_nops = k8_nops; @@ -627,6 +640,7 @@ void __init alternative_instructions(void) apply_paravirt(__parainstructions, __parainstructions_end); restart_nmi(); + alternatives_patched = 1; } /** |