Messages in this thread | | | Date | Tue, 17 Apr 2012 13:18:30 +0200 | From | Jan Kiszka <> | Subject | Re: [PATCH] KVM: x86: Run PIT work in own kthread |
| |
On 2012-04-17 12:27, Avi Kivity wrote: > On 04/16/2012 09:26 PM, Jan Kiszka wrote: >> We can't run PIT IRQ injection work in the interrupt context of the host >> timer. This would allow the user to influence the handler complexity by >> asking for a broadcast to a large number of VCPUs. Therefore, this work >> was pushed into workqueue context in 9d244caf2e. However, this prevents >> prioritizing the PIT injection over other task as workqueues share >> kernel threads. >> >> This replaces the workqueue with a kthread worker and gives that thread >> a name in the format "kvm-pit/<owner-process-pid>". That allows to >> identify and adjust the kthread priority according to the VM process >> parameters. > > Is this a new ABI?
Yep. Scripts will use it, maybe even QEMU. Do you want this to appear in api.txt?
> > Patch looks reasonable. >
Jan
-- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux
| |