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[72.137.123.47]) by smtp.gmail.com with ESMTPSA id w14sm11630979qtt.82.2020.05.23.15.57.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 May 2020 15:57:06 -0700 (PDT) From: Peter Xu To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: Vitaly Kuznetsov , Alex Williamson , "Michael S . Tsirkin" , Paolo Bonzini , "Dr . David Alan Gilbert" , Christophe de Dinechin , Jason Wang , Kevin Tian , peterx@redhat.com, Sean Christopherson , Yan Zhao Subject: [PATCH v9 02/14] KVM: Cache as_id in kvm_memory_slot Date: Sat, 23 May 2020 18:56:47 -0400 Message-Id: <20200523225659.1027044-3-peterx@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200523225659.1027044-1-peterx@redhat.com> References: <20200523225659.1027044-1-peterx@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cache the address space ID just like the slot ID. It will be used in order to fill in the dirty ring entries. Suggested-by: Paolo Bonzini Suggested-by: Sean Christopherson Signed-off-by: Peter Xu --- include/linux/kvm_host.h | 1 + virt/kvm/kvm_main.c | 1 + 2 files changed, 2 insertions(+) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 01276e3d01b9..5e7bbaf7a36b 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -346,6 +346,7 @@ struct kvm_memory_slot { unsigned long userspace_addr; u32 flags; short id; + u16 as_id; }; static inline unsigned long kvm_dirty_bitmap_bytes(struct kvm_memory_slot *memslot) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 74bdb7bf3295..ebdd98a30e82 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1243,6 +1243,7 @@ int __kvm_set_memory_region(struct kvm *kvm, if (!mem->memory_size) return kvm_delete_memslot(kvm, mem, &old, as_id); + new.as_id = as_id; new.id = id; new.base_gfn = mem->guest_phys_addr >> PAGE_SHIFT; new.npages = mem->memory_size >> PAGE_SHIFT; -- 2.26.2