On Sun, 29 Apr 2012 18:00:03 +0300
Avi Kivity <[email protected]> wrote:
> > After your work, 8192 in my patch may better be lowered a bit.
> >
>
> Why not remove it altogether? Just change it to cond_resched_lock().
Two concerns:
- too many checks may slow down GET_DIRTY_LOG.
- cond_resched_lock() uses spin_needbreak(), and I am not sure if
this still does rescheduling for alleviating mmu_lock contention
without CONFIG_PREEMPT.
I need to read the code a bit more.
Thanks,
Takuya
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