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| author | Mario Limonciello <mario.limonciello@amd.com> | 2024-10-25 12:14:55 -0500 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-10-25 20:09:16 +0200 |
| commit | 104edc6efca628389295392ceb87623fe10c41f6 (patch) | |
| tree | debde775a3d23a9f3d5da5989ba36079d38b74d0 | |
| parent | f24f669d03f884a6ef95cca84317d0f329e93961 (diff) | |
| download | lwn-104edc6efca628389295392ceb87623fe10c41f6.tar.gz lwn-104edc6efca628389295392ceb87623fe10c41f6.zip | |
x86/cpufeatures: Rename X86_FEATURE_FAST_CPPC to have AMD prefix
This feature is an AMD unique feature of some processors, so put
AMD into the name.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20241025171459.1093-2-mario.limonciello@amd.com
| -rw-r--r-- | arch/x86/include/asm/cpufeatures.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/scattered.c | 2 | ||||
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 2 | ||||
| -rw-r--r-- | tools/arch/x86/include/asm/cpufeatures.h | 2 |
4 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index dd4682857c12..a71a403bd59d 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -472,7 +472,7 @@ #define X86_FEATURE_BHI_CTRL (21*32+ 2) /* BHI_DIS_S HW control available */ #define X86_FEATURE_CLEAR_BHB_HW (21*32+ 3) /* BHI_DIS_S HW control enabled */ #define X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT (21*32+ 4) /* Clear branch history at vmexit using SW loop */ -#define X86_FEATURE_FAST_CPPC (21*32 + 5) /* AMD Fast CPPC */ +#define X86_FEATURE_AMD_FAST_CPPC (21*32 + 5) /* Fast CPPC */ /* * BUG word(s) diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c index c84c30188fdf..1db2bb81a384 100644 --- a/arch/x86/kernel/cpu/scattered.c +++ b/arch/x86/kernel/cpu/scattered.c @@ -45,7 +45,7 @@ static const struct cpuid_bit cpuid_bits[] = { { X86_FEATURE_HW_PSTATE, CPUID_EDX, 7, 0x80000007, 0 }, { X86_FEATURE_CPB, CPUID_EDX, 9, 0x80000007, 0 }, { X86_FEATURE_PROC_FEEDBACK, CPUID_EDX, 11, 0x80000007, 0 }, - { X86_FEATURE_FAST_CPPC, CPUID_EDX, 15, 0x80000007, 0 }, + { X86_FEATURE_AMD_FAST_CPPC, CPUID_EDX, 15, 0x80000007, 0 }, { X86_FEATURE_MBA, CPUID_EBX, 6, 0x80000008, 0 }, { X86_FEATURE_SMBA, CPUID_EBX, 2, 0x80000020, 0 }, { X86_FEATURE_BMEC, CPUID_EBX, 3, 0x80000020, 0 }, diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 15e201d5e911..32ddbf37a9f0 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -842,7 +842,7 @@ static u32 amd_pstate_get_transition_delay_us(unsigned int cpu) transition_delay_ns = cppc_get_transition_latency(cpu); if (transition_delay_ns == CPUFREQ_ETERNAL) { - if (cpu_feature_enabled(X86_FEATURE_FAST_CPPC)) + if (cpu_feature_enabled(X86_FEATURE_AMD_FAST_CPPC)) return AMD_PSTATE_FAST_CPPC_TRANSITION_DELAY; else return AMD_PSTATE_TRANSITION_DELAY; diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h index dd4682857c12..23698d0f4bb4 100644 --- a/tools/arch/x86/include/asm/cpufeatures.h +++ b/tools/arch/x86/include/asm/cpufeatures.h @@ -472,7 +472,7 @@ #define X86_FEATURE_BHI_CTRL (21*32+ 2) /* BHI_DIS_S HW control available */ #define X86_FEATURE_CLEAR_BHB_HW (21*32+ 3) /* BHI_DIS_S HW control enabled */ #define X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT (21*32+ 4) /* Clear branch history at vmexit using SW loop */ -#define X86_FEATURE_FAST_CPPC (21*32 + 5) /* AMD Fast CPPC */ +#define X86_FEATURE_AMD_FAST_CPPC (21*32 + 5) /* AMD Fast CPPC */ /* * BUG word(s) |