x86: Convert tlbstate_lock to raw_spinlock (39c662f6) · Commits · e / devices / android_kernel_teracube_emerald

arch/x86/mm/tlb.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -41,7 +41,7 @@ union smp_flush_state {
		struct {
		struct mm_struct *flush_mm;
		unsigned long flush_va;
		spinlock_t tlbstate_lock;
		raw_spinlock_t tlbstate_lock;
		DECLARE_BITMAP(flush_cpumask, NR_CPUS);
		};
		char pad[INTERNODE_CACHE_BYTES];
		@@ -181,7 +181,7 @@ static void flush_tlb_others_ipi(const struct cpumask *cpumask,
		* num_online_cpus() <= NUM_INVALIDATE_TLB_VECTORS, but it is
		* probably not worth checking this for a cache-hot lock.
		*/
		spin_lock(&f->tlbstate_lock);
		raw_spin_lock(&f->tlbstate_lock);

		f->flush_mm = mm;
		f->flush_va = va;
		@@ -199,7 +199,7 @@ static void flush_tlb_others_ipi(const struct cpumask *cpumask,

		f->flush_mm = NULL;
		f->flush_va = 0;
		spin_unlock(&f->tlbstate_lock);
		raw_spin_unlock(&f->tlbstate_lock);
		}

		void native_flush_tlb_others(const struct cpumask *cpumask,
		@@ -223,7 +223,7 @@ static int __cpuinit init_smp_flush(void)
		int i;

		for (i = 0; i < ARRAY_SIZE(flush_state); i++)
		spin_lock_init(&flush_state[i].tlbstate_lock);
		raw_spin_lock_init(&flush_state[i].tlbstate_lock);

		return 0;
		}