aboutsummaryrefslogtreecommitdiff
path: root/include/asm-x86
diff options
context:
space:
mode:
authorAndrea Arcangeli <andrea@qumranet.com>2008-07-25 16:24:52 +0200
committerAvi Kivity <avi@qumranet.com>2008-07-29 12:33:53 +0300
commite930bffe95e1e886a1ede80726ea38df5838d067 (patch)
treed39227c3de8e7d4a70737c78693f6d7f458066af /include/asm-x86
parent604b38ac0369bd50fcbb33344aa5553c071009f7 (diff)
KVM: Synchronize guest physical memory map to host virtual memory map
Synchronize changes to host virtual addresses which are part of a KVM memory slot to the KVM shadow mmu. This allows pte operations like swapping, page migration, and madvise() to transparently work with KVM. Signed-off-by: Andrea Arcangeli <andrea@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include/asm-x86')
-rw-r--r--include/asm-x86/kvm_host.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index bc34dc21f17..0f3c5311461 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -13,6 +13,7 @@
#include <linux/types.h>
#include <linux/mm.h>
+#include <linux/mmu_notifier.h>
#include <linux/kvm.h>
#include <linux/kvm_para.h>
@@ -251,6 +252,7 @@ struct kvm_vcpu_arch {
gfn_t gfn; /* presumed gfn during guest pte update */
pfn_t pfn; /* pfn corresponding to that gfn */
int largepage;
+ unsigned long mmu_seq;
} update_pte;
struct i387_fxsave_struct host_fx_image;
@@ -729,4 +731,8 @@ asmlinkage void kvm_handle_fault_on_reboot(void);
KVM_EX_ENTRY " 666b, 667b \n\t" \
".popsection"
+#define KVM_ARCH_WANT_MMU_NOTIFIER
+int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
+int kvm_age_hva(struct kvm *kvm, unsigned long hva);
+
#endif