Message ID | 20240726235234.228822-71-seanjc@google.com (mailing list archive) |
---|---|
State | Handled Elsewhere, archived |
Headers | show
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charset="UTF-8" X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Reply-To: Sean Christopherson <seanjc@google.com> Cc: kvm-riscv@lists.infradead.org, kvm@vger.kernel.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, David Matlack <dmatlack@google.com>, David Stevens <stevensd@chromium.org>, loongarch@lists.linux.dev, kvmarm@lists.linux.dev, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
Series |
KVM: Stop grabbing references to PFNMAP'd pages
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expand
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diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c index f1e4b618ec6d..69463ab24d97 100644 --- a/arch/mips/kvm/mmu.c +++ b/arch/mips/kvm/mmu.c @@ -634,10 +634,9 @@ static int kvm_mips_map_page(struct kvm_vcpu *vcpu, unsigned long gpa, if (writeable) kvm_set_pfn_dirty(pfn); - - spin_unlock(&kvm->mmu_lock); kvm_release_pfn_clean(pfn); - kvm_set_pfn_accessed(pfn); + + spin_unlock(&kvm->mmu_lock); out: srcu_read_unlock(&kvm->srcu, srcu_idx); return err;
Mark pages accessed before dropping mmu_lock when faulting in guest memory so that MIPS can convert to kvm_release_faultin_page() without tripping its lockdep assertion on mmu_lock being held. Signed-off-by: Sean Christopherson <seanjc@google.com> --- arch/mips/kvm/mmu.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)