diff options
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/acpi.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/cpufeature.h | 1 | ||||
| -rw-r--r-- | include/asm-x86/idle.h | 2 |
3 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-x86/acpi.h b/include/asm-x86/acpi.h index 635d764dc13e..35d1743b57ac 100644 --- a/include/asm-x86/acpi.h +++ b/include/asm-x86/acpi.h @@ -140,6 +140,8 @@ static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) boot_cpu_data.x86_model <= 0x05 && boot_cpu_data.x86_mask < 0x0A) return 1; + else if (boot_cpu_has(X86_FEATURE_AMDC1E)) + return 1; else return max_cstate; } diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h index 9489283a4bcf..cfcfb0a806ba 100644 --- a/include/asm-x86/cpufeature.h +++ b/include/asm-x86/cpufeature.h @@ -81,6 +81,7 @@ #define X86_FEATURE_LFENCE_RDTSC (3*32+18) /* Lfence synchronizes RDTSC */ #define X86_FEATURE_11AP (3*32+19) /* Bad local APIC aka 11AP */ #define X86_FEATURE_NOPL (3*32+20) /* The NOPL (0F 1F) instructions */ +#define X86_FEATURE_AMDC1E (3*32+21) /* AMD C1E detected */ /* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ #define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */ diff --git a/include/asm-x86/idle.h b/include/asm-x86/idle.h index d240e5b30a45..cbb649123612 100644 --- a/include/asm-x86/idle.h +++ b/include/asm-x86/idle.h @@ -10,4 +10,6 @@ void idle_notifier_register(struct notifier_block *n); void enter_idle(void); void exit_idle(void); +void c1e_remove_cpu(int cpu); + #endif |