diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2018-05-13 12:43:53 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-05-13 17:14:24 +0300 |
| commit | 9305bd6ca7b40fece04d7a7a02765e9e8349f146 (patch) | |
| tree | f9134d2e5a07e702c5d0c28a6ea41d9ec1179fc0 /arch/x86/kernel/cpu | |
| parent | a2aa578fec8c29436bce5e6c15e1e31729d539a3 (diff) | |
| download | linux-9305bd6ca7b40fece04d7a7a02765e9e8349f146.tar.xz | |
x86/CPU: Move x86_cpuinfo::x86_max_cores assignment to detect_num_cpu_cores()
No point to have it at the call sites.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/centaur.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 9 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/cpu.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/intel.c | 2 |
4 files changed, 7 insertions, 8 deletions
diff --git a/arch/x86/kernel/cpu/centaur.c b/arch/x86/kernel/cpu/centaur.c index c265494234e6..14433ff5b828 100644 --- a/arch/x86/kernel/cpu/centaur.c +++ b/arch/x86/kernel/cpu/centaur.c @@ -161,7 +161,7 @@ static void init_centaur(struct cpuinfo_x86 *c) #endif early_init_centaur(c); init_intel_cacheinfo(c); - c->x86_max_cores = detect_num_cpu_cores(c); + detect_num_cpu_cores(c); #ifdef CONFIG_X86_32 detect_ht(c); #endif diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 6993842e788c..f2085d54c2c8 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -584,18 +584,17 @@ static void get_model_name(struct cpuinfo_x86 *c) *(s + 1) = '\0'; } -int detect_num_cpu_cores(struct cpuinfo_x86 *c) +void detect_num_cpu_cores(struct cpuinfo_x86 *c) { unsigned int eax, ebx, ecx, edx; + c->x86_max_cores = 1; if (!IS_ENABLED(CONFIG_SMP) || c->cpuid_level < 4) - return 1; + return; cpuid_count(4, 0, &eax, &ebx, &ecx, &edx); if (eax & 0x1f) - return (eax >> 26) + 1; - else - return 1; + c->x86_max_cores = (eax >> 26) + 1; } void cpu_detect_cache_sizes(struct cpuinfo_x86 *c) diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h index 49bf8a080105..295cb00a5ac5 100644 --- a/arch/x86/kernel/cpu/cpu.h +++ b/arch/x86/kernel/cpu/cpu.h @@ -54,7 +54,7 @@ extern u32 get_scattered_cpuid_leaf(unsigned int level, extern void init_intel_cacheinfo(struct cpuinfo_x86 *c); extern void init_amd_cacheinfo(struct cpuinfo_x86 *c); -extern int detect_num_cpu_cores(struct cpuinfo_x86 *c); +extern void detect_num_cpu_cores(struct cpuinfo_x86 *c); extern int detect_extended_topology(struct cpuinfo_x86 *c); extern void detect_ht(struct cpuinfo_x86 *c); diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index ca141d159be1..6c414e2f3f5c 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -651,7 +651,7 @@ static void init_intel(struct cpuinfo_x86 *c) * let's use the legacy cpuid vector 0x1 and 0x4 for topology * detection. */ - c->x86_max_cores = detect_num_cpu_cores(c); + detect_num_cpu_cores(c); #ifdef CONFIG_X86_32 detect_ht(c); #endif |