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authorDor Laor <dor.laor@qumranet.com>2007-02-12 09:54:39 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 18:48:40 +0100
commit54810342f1372afdaf6cb9a6aea0c35df187db12 (patch)
tree97775733e60a5875f88f30c38a69ba278479299a /include
parent[PATCH] kvm: SVM: Hack initial cpu csbase to be consistent with intel (diff)
downloadlinux-54810342f1372afdaf6cb9a6aea0c35df187db12.tar.xz
linux-54810342f1372afdaf6cb9a6aea0c35df187db12.zip
[PATCH] kvm: Two-way apic tpr synchronization
We report the value of cr8 to userspace on an exit. Also let userspace change cr8 when we re-enter the guest. The lets 64-bit guest code maintain the tpr correctly. Thanks for Yaniv Kamay for the idea. Signed-off-by: Dor Laor <dor.laor@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/kvm.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 1be148f0fce4..6a5f6f49e037 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -65,6 +65,8 @@ struct kvm_run {
__u8 ready_for_interrupt_injection;
__u8 if_flag;
__u16 padding2;
+
+ /* in (pre_kvm_run), out (post_kvm_run) */
__u64 cr8;
__u64 apic_base;