AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-03 11:16:48 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

x86: cpu/common*.c, merge detect_ht()

Browse Source 
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-09-04 20:09:08 -07:00 committed by Ingo Molnar
parent 140fc72709
commit 1cd78776c7
2 changed files with 21 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
arch/x86/kernel/cpu/common.c
View File

@ -330,6 +330,9 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
if (cpu_has(c, X86_FEATURE_CMP_LEGACY))
goto out;
if (cpu_has(c, X86_FEATURE_XTOPOLOGY))
return;
cpuid(1, &eax, &ebx, &ecx, &edx);
smp_num_siblings = (ebx & 0xff0000) >> 16;
@ -346,8 +349,11 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
}
index_msb = get_count_order(smp_num_siblings);
#ifdef CONFIG_X86_64
c->phys_proc_id = phys_pkg_id(index_msb);
#else
c->phys_proc_id = phys_pkg_id(c->initial_apicid, index_msb);
#endif
smp_num_siblings = smp_num_siblings / c->x86_max_cores;
@ -355,8 +361,13 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
core_bits = get_count_order(c->x86_max_cores);
#ifdef CONFIG_X86_64
c->cpu_core_id = phys_pkg_id(index_msb) &
((1 << core_bits) - 1);
#else
c->cpu_core_id = phys_pkg_id(c->initial_apicid, index_msb) &
((1 << core_bits) - 1);
#endif
}
out:

9
arch/x86/kernel/cpu/common_64.c
View File

@ -349,7 +349,11 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
}
index_msb = get_count_order(smp_num_siblings);
#ifdef CONFIG_X86_64
c->phys_proc_id = phys_pkg_id(index_msb);
#else
c->phys_proc_id = phys_pkg_id(c->initial_apicid, index_msb);
#endif
smp_num_siblings = smp_num_siblings / c->x86_max_cores;
@ -357,8 +361,13 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
core_bits = get_count_order(c->x86_max_cores);
#ifdef CONFIG_X86_64
c->cpu_core_id = phys_pkg_id(index_msb) &
((1 << core_bits) - 1);
#else
c->cpu_core_id = phys_pkg_id(c->initial_apicid, index_msb) &
((1 << core_bits) - 1);
#endif
}
out: