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| author | Dor Laor <dor.laor@qumranet.com> | 2007-02-12 08:54:39 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 17:48:40 (GMT) |
| commit | 54810342f1372afdaf6cb9a6aea0c35df187db12 (patch) | |
| tree | 97775733e60a5875f88f30c38a69ba278479299a /include | |
| parent | d92899a0014aa795c21d3cf726ef5ff7684399f4 (diff) | |
| download | linux-54810342f1372afdaf6cb9a6aea0c35df187db12.tar.xz | |
[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.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 1be148f..6a5f6f4 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; |