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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-05-24 09:27:03 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-05-24 09:27:03 +0100 |
| commit | e1845bbe732b5ad5755f0f3a93fb6ea85919e8a2 (patch) | |
| tree | fbdbe843c34d11b19ffc3fef6c6304103a1e7bc3 /xen/include/asm-x86/hvm/vcpu.h | |
| parent | d0f28d825eafe00591d7b80b8de26e4fd783d924 (diff) | |
| download | xen-e1845bbe732b5ad5755f0f3a93fb6ea85919e8a2.tar.gz xen-e1845bbe732b5ad5755f0f3a93fb6ea85919e8a2.tar.bz2 xen-e1845bbe732b5ad5755f0f3a93fb6ea85919e8a2.zip | |
hvm: Build guest timers on monotonic system time.
Move hvm platform timers from underlying physical CPU TSC to Xen
system time and ensure domain-wide monotonicity. TSC on many systems
may skew between processors leading to 'time going backwards' messages
from some guests.
Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/include/asm-x86/hvm/vcpu.h')
| -rw-r--r-- | xen/include/asm-x86/hvm/vcpu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/xen/include/asm-x86/hvm/vcpu.h b/xen/include/asm-x86/hvm/vcpu.h index fc43d5d20d..6eb9d67b73 100644 --- a/xen/include/asm-x86/hvm/vcpu.h +++ b/xen/include/asm-x86/hvm/vcpu.h @@ -68,6 +68,9 @@ struct hvm_vcpu { struct mtrr_state mtrr; u64 pat_cr; + /* In mode delay_for_missed_ticks, VCPUs have differing guest times. */ + int64_t stime_offset; + /* Which cache mode is this VCPU in (CR0:CD/NW)? */ u8 cache_mode; |