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KVM: arm64: Slightly optimize flush_context()

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bitmap_zero() is faster than bitmap_clear(), so use it to save a few
cycles.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/97bf2743f3a302b3066aced02218b9da60690dd3.1681854412.git.christophe.jaillet@wanadoo.fr
This commit is contained in:
Christophe JAILLET 2023-04-18 23:47:37 +02:00 committed by Marc Zyngier
parent 197b6b60ae
commit 4be8ddb48b
1 changed files with 1 additions and 1 deletions
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arch/arm64/kvm/vmid.c
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@ -47,7 +47,7 @@ static void flush_context(void)
int cpu;
u64 vmid;
bitmap_clear(vmid_map, 0, NUM_USER_VMIDS);
bitmap_zero(vmid_map, NUM_USER_VMIDS);
for_each_possible_cpu(cpu) {
vmid = atomic64_xchg_relaxed(&per_cpu(active_vmids, cpu), 0);