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2006 Oct 19
2
[HVM][SVM][PATCH][2/2] Delay ExtInt Injection
Patch 2/2 -
Add flag to indicate that an exception event needs injecting, and to
delay
the ext interrupt injection.
Remove unnecessary check of RFLAGS.IF for ExtInt injection.
Applies cleanly to xen-unstable c/s 11831.
Please apply to xen-unstable.hg.
We would also want this patch to be in a 3.0.3-1 base whenever that is
branched.
Signed-off-by: Travis Betak <travis.betak@amd.com>
2006 Oct 19
0
[HVM][SVM][PATCH][1/2] VINTR intercept signal
...r the guests are in an interrupt shadow, we create a ''fake''
virtual interrupt to inject while also enabling the VINTR intercept.
When the guest _can_ take interrupts, the hypervisor will #VMEXIT on
VINTR. The VINTR exit handler then clears the VINTR intercept bit and
clears the V_IRQ bit so that svm_intr_assist() can inject a legitimate
interrupt.
Patch 2/2 -
Add flag to indicate that an exception event needs injecting, and to
delay
the ext interrupt injection.
Remove unnecessary check of RFLAGS.IF for ExtInt injection.
These apply cleanly to xen-unstable c/s 11831.
Please a...