On Thu, Feb 09, 2023 at 10:40:16AM +0800, Robert Hoo wrote: >kvm_mmu_ensure_valid_pgd() is stale. Update the comments according to >latest code. > >No function changes. > >P.S. Sean firstly noticed this in Reported-by:? Should not this be post separately? This patch has nothing to do with LAM. >https://lore.kernel.org/kvm/Yg%2FguAXFLJBmDflh@xxxxxxxxxx/. > >Signed-off-by: Robert Hoo <robert.hu@xxxxxxxxxxxxxxx> >--- > arch/x86/kvm/mmu/mmu.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > >diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c >index 1d61dfe37c77..9a780445a88e 100644 >--- a/arch/x86/kvm/mmu/mmu.c >+++ b/arch/x86/kvm/mmu/mmu.c >@@ -4497,8 +4497,12 @@ void kvm_mmu_new_pgd(struct kvm_vcpu *vcpu, gpa_t new_pgd) > struct kvm_mmu *mmu = vcpu->arch.mmu; > union kvm_mmu_page_role new_role = mmu->root_role; > >+ /* >+ * If no root is found in cache, current active root.hpa will be (set) >+ * INVALID_PAGE, a new root will be set up during vcpu_enter_guest() >+ * --> kvm_mmu_reload(). >+ */ > if (!fast_pgd_switch(vcpu->kvm, mmu, new_pgd, new_role)) { >- /* kvm_mmu_ensure_valid_pgd will set up a new root. */ > return; > } > >-- >2.31.1 >
