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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-20 14:18:35 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-20 14:18:35 -0400 |
commit | a3d5c3460a86f52ea435b3fb98be112bd18faabc (patch) | |
tree | 48a32968b569af0e0f0af1def3effa0770710fea /arch | |
parent | 86c76676cfdbf283f6131d5a2783bed3f3d490ea (diff) | |
parent | 29bb9e5a75684106a37593ad75ec75ff8312731b (diff) |
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Two smaller fixes - plus a context tracking tracing fix that is a bit
bigger"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tracing/context-tracking: Add preempt_schedule_context() for tracing
sched: Fix clear NOHZ_BALANCE_KICK
sched/x86: Construct all sibling maps if smt
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/kernel/smpboot.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 9c73b51817e4..bfd348e99369 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c | |||
@@ -372,15 +372,15 @@ static bool __cpuinit match_mc(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o) | |||
372 | 372 | ||
373 | void __cpuinit set_cpu_sibling_map(int cpu) | 373 | void __cpuinit set_cpu_sibling_map(int cpu) |
374 | { | 374 | { |
375 | bool has_mc = boot_cpu_data.x86_max_cores > 1; | ||
376 | bool has_smt = smp_num_siblings > 1; | 375 | bool has_smt = smp_num_siblings > 1; |
376 | bool has_mp = has_smt || boot_cpu_data.x86_max_cores > 1; | ||
377 | struct cpuinfo_x86 *c = &cpu_data(cpu); | 377 | struct cpuinfo_x86 *c = &cpu_data(cpu); |
378 | struct cpuinfo_x86 *o; | 378 | struct cpuinfo_x86 *o; |
379 | int i; | 379 | int i; |
380 | 380 | ||
381 | cpumask_set_cpu(cpu, cpu_sibling_setup_mask); | 381 | cpumask_set_cpu(cpu, cpu_sibling_setup_mask); |
382 | 382 | ||
383 | if (!has_smt && !has_mc) { | 383 | if (!has_mp) { |
384 | cpumask_set_cpu(cpu, cpu_sibling_mask(cpu)); | 384 | cpumask_set_cpu(cpu, cpu_sibling_mask(cpu)); |
385 | cpumask_set_cpu(cpu, cpu_llc_shared_mask(cpu)); | 385 | cpumask_set_cpu(cpu, cpu_llc_shared_mask(cpu)); |
386 | cpumask_set_cpu(cpu, cpu_core_mask(cpu)); | 386 | cpumask_set_cpu(cpu, cpu_core_mask(cpu)); |
@@ -394,7 +394,7 @@ void __cpuinit set_cpu_sibling_map(int cpu) | |||
394 | if ((i == cpu) || (has_smt && match_smt(c, o))) | 394 | if ((i == cpu) || (has_smt && match_smt(c, o))) |
395 | link_mask(sibling, cpu, i); | 395 | link_mask(sibling, cpu, i); |
396 | 396 | ||
397 | if ((i == cpu) || (has_mc && match_llc(c, o))) | 397 | if ((i == cpu) || (has_mp && match_llc(c, o))) |
398 | link_mask(llc_shared, cpu, i); | 398 | link_mask(llc_shared, cpu, i); |
399 | 399 | ||
400 | } | 400 | } |
@@ -406,7 +406,7 @@ void __cpuinit set_cpu_sibling_map(int cpu) | |||
406 | for_each_cpu(i, cpu_sibling_setup_mask) { | 406 | for_each_cpu(i, cpu_sibling_setup_mask) { |
407 | o = &cpu_data(i); | 407 | o = &cpu_data(i); |
408 | 408 | ||
409 | if ((i == cpu) || (has_mc && match_mc(c, o))) { | 409 | if ((i == cpu) || (has_mp && match_mc(c, o))) { |
410 | link_mask(core, cpu, i); | 410 | link_mask(core, cpu, i); |
411 | 411 | ||
412 | /* | 412 | /* |