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authorThomas Gleixner <tglx@linutronix.de>2018-06-06 01:36:15 +0300
committerThomas Gleixner <tglx@linutronix.de>2018-06-21 15:20:58 +0300
commit55e6d279abd92cfd7576bba031e7589be8475edb (patch)
treee3330ca91d3bc340221fc206a67d00028dd771ee
parent05736e4ac13c08a4a9b1ef2de26dd31a32cbee57 (diff)
downloadlinux-55e6d279abd92cfd7576bba031e7589be8475edb.tar.xz
x86/cpu: Remove the pointless CPU printout
The value of this printout is dubious at best and there is no point in having it in two different places along with convoluted ways to reach it. Remove it completely. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Acked-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--arch/x86/kernel/cpu/common.c20
-rw-r--r--arch/x86/kernel/cpu/topology.c10
2 files changed, 5 insertions, 25 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 9baf684e2b55..81fbb267489e 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -663,13 +663,12 @@ void detect_ht(struct cpuinfo_x86 *c)
#ifdef CONFIG_SMP
u32 eax, ebx, ecx, edx;
int index_msb, core_bits;
- static bool printed;
if (!cpu_has(c, X86_FEATURE_HT))
return;
if (cpu_has(c, X86_FEATURE_CMP_LEGACY))
- goto out;
+ return;
if (cpu_has(c, X86_FEATURE_XTOPOLOGY))
return;
@@ -678,14 +677,14 @@ void detect_ht(struct cpuinfo_x86 *c)
smp_num_siblings = (ebx & 0xff0000) >> 16;
+ if (!smp_num_siblings)
+ smp_num_siblings = 1;
+
if (smp_num_siblings == 1) {
pr_info_once("CPU0: Hyper-Threading is disabled\n");
- goto out;
+ return;
}
- if (smp_num_siblings <= 1)
- goto out;
-
index_msb = get_count_order(smp_num_siblings);
c->phys_proc_id = apic->phys_pkg_id(c->initial_apicid, index_msb);
@@ -697,15 +696,6 @@ void detect_ht(struct cpuinfo_x86 *c)
c->cpu_core_id = apic->phys_pkg_id(c->initial_apicid, index_msb) &
((1 << core_bits) - 1);
-
-out:
- if (!printed && (c->x86_max_cores * smp_num_siblings) > 1) {
- pr_info("CPU: Physical Processor ID: %d\n",
- c->phys_proc_id);
- pr_info("CPU: Processor Core ID: %d\n",
- c->cpu_core_id);
- printed = 1;
- }
#endif
}
diff --git a/arch/x86/kernel/cpu/topology.c b/arch/x86/kernel/cpu/topology.c
index 81c0afb39d0a..1072b5eda607 100644
--- a/arch/x86/kernel/cpu/topology.c
+++ b/arch/x86/kernel/cpu/topology.c
@@ -33,7 +33,6 @@ int detect_extended_topology(struct cpuinfo_x86 *c)
unsigned int eax, ebx, ecx, edx, sub_index;
unsigned int ht_mask_width, core_plus_mask_width;
unsigned int core_select_mask, core_level_siblings;
- static bool printed;
if (c->cpuid_level < 0xb)
return -1;
@@ -86,15 +85,6 @@ int detect_extended_topology(struct cpuinfo_x86 *c)
c->apicid = apic->phys_pkg_id(c->initial_apicid, 0);
c->x86_max_cores = (core_level_siblings / smp_num_siblings);
-
- if (!printed) {
- pr_info("CPU: Physical Processor ID: %d\n",
- c->phys_proc_id);
- if (c->x86_max_cores > 1)
- pr_info("CPU: Processor Core ID: %d\n",
- c->cpu_core_id);
- printed = 1;
- }
#endif
return 0;
}