Messages in this thread Patch in this message | | | From | luofei <> | Subject | [PATCH] KVM: x86/mmu: remove unnecessary kvm_shadow_root_allocated() check | Date | Wed, 6 Apr 2022 21:40:16 -0400 |
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When we reach here, the return value of kvm_shadow_root_allocated() has already been checked to false under kvm->slots_arch_lock. So remove the unnecessary recheck.
Signed-off-by: luofei <luofei@unicloud.com> --- arch/x86/kvm/mmu/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 8f19ea752704..1978ee527298 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -3394,7 +3394,7 @@ static int mmu_first_shadow_root_alloc(struct kvm *kvm) * Check if anything actually needs to be allocated, e.g. all metadata * will be allocated upfront if TDP is disabled. */ - if (kvm_memslots_have_rmaps(kvm) && + if (!is_tdp_mmu_enabled(kvm) && kvm_page_track_write_tracking_enabled(kvm)) goto out_success; -- 2.27.0
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