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LoongArch: KVM: always make pte young in page map's fast path

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It seems redundant to check if pte is young before the call to
kvm_pte_mkyoung() in kvm_map_page_fast(). Just remove the check.

Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Jia Qingtong <jiaqingtong97@gmail.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Jia Qingtong 2024-07-09 16:25:51 +08:00 committed by Huacai Chen
parent ebf00272da
commit d7ad41a31d
1 changed files with 2 additions and 4 deletions
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6
arch/loongarch/kvm/mmu.c
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@ -569,10 +569,8 @@ static int kvm_map_page_fast(struct kvm_vcpu *vcpu, unsigned long gpa, bool writ
}
/* Track access to pages marked old */
new = *ptep;
if (!kvm_pte_young(new))
new = kvm_pte_mkyoung(new);
/* call kvm_set_pfn_accessed() after unlock */
new = kvm_pte_mkyoung(*ptep);
/* call kvm_set_pfn_accessed() after unlock */
if (write && !kvm_pte_dirty(new)) {
if (!kvm_pte_write(new)) {