Re: [PATCH 1/7] KVM: MMU: optimize pte write path if don't have protectedsp

[Avi Kivity]

On 05/15/2011 11:33 AM, Xiao Guangrong wrote:
> >
> >  These atomic ops are always called from within the spinlock, so we don't need an atomic_t here.
> >
> >  Sorry, I should have noticed this on the first version.
>
> We read indirect_shadow_pages atomically on pte write path, that is allowed out of mmu_lock

Reading is fine:

  #define atomic_read(v)    (*(volatile int *)&(v)->counter)

--
error compiling committee.c: too many arguments to function

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