Re: [Qemu-devel] [PATCH v5 00/10] aio_context_acquire/release pushdown, part 1

[Fam Zheng]

On Thu, 01/12 19:07, Paolo Bonzini wrote:
> This is the first step of pushing down the AioContext lock.  Bottom halves
> are already protected by their own lock, use it also for walking_bh
> and for the handlers list (including walking_handlers).  The (lock,
> walking_foo) pair is wrapped into the QemuLockCnt primitive.
> 
> The only difference from v3 is a smattering of tiny nice improvements
> to QemuLockCnt.
> 
> Paolo
> 
> v4->v5:
>         remove stray tabs [patchew]
> 
> v3->v4:
>         Avoid useless atomic_mb_read in non-futex lockcnt [Stefan]
>         Use atomic_read in qemu_lockcnt_count [Stefan]
>         Tweak comment for qemu_lockcnt_cmpxchg_or_wait [Fam]
>         Use if/else in qemu_lockcnt_dec_and_lock [Fam]
>         Comment QEMU_LOCKCNT_STATE_* definitions [Fam]

Perfect!

Reviewed-by: Fam Zheng <address@hidden>