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[linux-6.6.y] x86/cpu: Remove pointless evaluation of x86_coreid_bits #279

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Merged
merged 1 commit into from
Jun 14, 2024
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[linux-6.6.y] x86/cpu: Remove pointless evaluation of x86_coreid_bits #279

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14 changes: 0 additions & 14 deletions arch/x86/kernel/cpu/zhaoxin.c
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Original file line number Diff line number Diff line change
Expand Up @@ -65,20 +65,6 @@ static void early_init_zhaoxin(struct cpuinfo_x86 *c)
set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
set_cpu_cap(c, X86_FEATURE_NONSTOP_TSC);
}

if (c->cpuid_level >= 0x00000001) {
u32 eax, ebx, ecx, edx;

cpuid(0x00000001, &eax, &ebx, &ecx, &edx);
/*
* If HTT (EDX[28]) is set EBX[16:23] contain the number of
* apicids which are reserved per package. Store the resulting
* shift value for the package management code.
*/
if (edx & (1U << 28))
c->x86_coreid_bits = get_count_order((ebx >> 16) & 0xff);
}

}

static void init_zhaoxin(struct cpuinfo_x86 *c)
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