This patch applies to the preempt-hooks branch to enable KVM to function
properly on VMX. With preemption enabled, the KVM context can get scheduled
out at arbitrary points. The preempt-hooks allow us to correctly restore
the host state while being preemptible, but preemption causes problems on
Gregory Haskins wrote:
This patch applies to the preempt-hooks branch to enable KVM to function
properly on VMX. With preemption enabled, the KVM context can get scheduled
out at arbitrary points. The preempt-hooks allow us to correctly restore
the host state while being preemptible, but
On Wed, 2007-07-25 at 06:20 +0300, Avi Kivity wrote:
I'd rather wait for the real fix, especially as this is an experimental
branch. Can you provide details of the issue?
Sure. Keep in mind I am working with the RT kernel, so things might be
tighter and/or different than the vanilla
On Wed, 2007-07-25 at 07:13 +0300, Avi Kivity wrote:
Preemption disabled yes, but interrupts?
How do you think I found this? ;)
From smp_call_function_single in -rt:
WARN_ON(irqs_disabled());
IIRC I picked the place where
sched_in is called to have interrupts enabled, but maybe -rt
