Commit-ID: 061120aed7081b9a4393fbe07b558192f40ad911 Gitweb: http://git.kernel.org/tip/061120aed7081b9a4393fbe07b558192f40ad911 Author: Chen, Gong <gong.c...@linux.intel.com> AuthorDate: Wed, 12 Aug 2015 18:29:35 +0200 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Thu, 13 Aug 2015 10:12:51 +0200
x86/mce: Don't use percpu workqueues An MCE is a rare event. Therefore, there's no need to have per-CPU instances of both normal and IRQ workqueues. Make them both global. Signed-off-by: Chen, Gong <gong.c...@linux.intel.com> [ Fold in subsequent patch from Rui/Boris/Tony for early boot logging. ] Signed-off-by: Tony Luck <tony.l...@intel.com> [ Massage commit message. ] Signed-off-by: Borislav Petkov <b...@suse.de> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Link: http://lkml.kernel.org/r/1439396985-12812-4-git-send-email...@alien8.de Signed-off-by: Ingo Molnar <mi...@kernel.org> --- arch/x86/kernel/cpu/mcheck/mce.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index a41c014..456f8d7 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -110,7 +110,8 @@ DEFINE_PER_CPU(mce_banks_t, mce_poll_banks) = { */ mce_banks_t mce_banks_ce_disabled; -static DEFINE_PER_CPU(struct work_struct, mce_work); +static struct work_struct mce_work; +static struct irq_work mce_irq_work; static void (*quirk_no_way_out)(int bank, struct mce *m, struct pt_regs *regs); @@ -526,11 +527,9 @@ int mce_available(struct cpuinfo_x86 *c) static void mce_schedule_work(void) { if (!mce_ring_empty()) - schedule_work(this_cpu_ptr(&mce_work)); + schedule_work(&mce_work); } -static DEFINE_PER_CPU(struct irq_work, mce_irq_work); - static void mce_irq_work_cb(struct irq_work *entry) { mce_notify_irq(); @@ -551,7 +550,7 @@ static void mce_report_event(struct pt_regs *regs) return; } - irq_work_queue(this_cpu_ptr(&mce_irq_work)); + irq_work_queue(&mce_irq_work); } /* @@ -1742,8 +1741,6 @@ void mcheck_cpu_init(struct cpuinfo_x86 *c) __mcheck_cpu_init_generic(); __mcheck_cpu_init_vendor(c); __mcheck_cpu_init_timer(); - INIT_WORK(this_cpu_ptr(&mce_work), mce_process_work); - init_irq_work(this_cpu_ptr(&mce_irq_work), &mce_irq_work_cb); } /* @@ -2064,6 +2061,9 @@ int __init mcheck_init(void) mcheck_intel_therm_init(); mcheck_vendor_init_severity(); + INIT_WORK(&mce_work, mce_process_work); + init_irq_work(&mce_irq_work, mce_irq_work_cb); + return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
