On Mon, 4 Feb 2013 11:50:00 -0200
Marcelo Tosatti wrote:
> On Wed, Jan 23, 2013 at 07:18:11PM +0900, Takuya Yoshikawa wrote:
> > We noticed that kvm_mmu_zap_all() could take hundreds of milliseconds
> > for zapping mmu pages with mmu_lock held.
> >
> > Although we need to do conditional reschedu
On Wed, Jan 23, 2013 at 07:18:11PM +0900, Takuya Yoshikawa wrote:
> We noticed that kvm_mmu_zap_all() could take hundreds of milliseconds
> for zapping mmu pages with mmu_lock held.
>
> Although we need to do conditional rescheduling for completely
> fixing this issue, we can reduce the hold time
We noticed that kvm_mmu_zap_all() could take hundreds of milliseconds
for zapping mmu pages with mmu_lock held.
Although we need to do conditional rescheduling for completely
fixing this issue, we can reduce the hold time to some extent by moving
free_zapped_mmu_pages() out of the protection. Sin