Messages in this thread Patch in this message | | | From | Hao Peng <> | Date | Tue, 26 Jul 2022 09:59:42 +0800 | Subject | [PATCH] kvm: mmu: Simplify judgment conditions |
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From: Peng Hao <flyingpeng@tencent.com>
kvm_shadow_root_allocated() has been checked before in mmu_first_shadow_root_alloc, and subsequent kvm_memslots_have_rmaps() does not need to check kvm_shadow_root_allocated() again.
Signed-off-by: Peng Hao <flyingpeng@tencent.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 52664c3caaab..ecd64c06f839 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -3584,7 +3584,7 @@ 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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