unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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x86: Convert tlbstate_lock to raw_spinlock

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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2009-07-25 19:15:48 +02:00
parent b7e56edba4
commit 39c662f60c
1 changed files with 4 additions and 4 deletions
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8
arch/x86/mm/tlb.c
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@ -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;
}