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Re: [Qemu-devel] [PATCH 10/16] block: explicitly acquire aiocontext in t
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH 10/16] block: explicitly acquire aiocontext in timers that need it |
Date: |
Wed, 18 Jan 2017 15:43:10 +0000 |
User-agent: |
Mutt/1.7.1 (2016-10-04) |
On Fri, Jan 13, 2017 at 02:17:25PM +0100, Paolo Bonzini wrote:
> diff --git a/block/null.c b/block/null.c
> index b300390..356209a 100644
> --- a/block/null.c
> +++ b/block/null.c
> @@ -141,7 +141,11 @@ static void null_bh_cb(void *opaque)
> static void null_timer_cb(void *opaque)
> {
> NullAIOCB *acb = opaque;
> + AioContext *ctx = bdrv_get_aio_context(acb->common.bs);
> +
> + aio_context_acquire(ctx);
> acb->common.cb(acb->common.opaque, 0);
> + aio_context_release(ctx);
> timer_deinit(&acb->timer);
> qemu_aio_unref(acb);
Is qemu_aio_unref() thread-safe?
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- [Qemu-devel] [PATCH 15/16] async: remove unnecessary inc/dec pairs, (continued)
[Qemu-devel] [PATCH 12/16] block: explicitly acquire aiocontext in bottom halves that need it, Paolo Bonzini, 2017/01/13
[Qemu-devel] [PATCH 11/16] block: explicitly acquire aiocontext in callbacks that need it, Paolo Bonzini, 2017/01/13
[Qemu-devel] [PATCH 14/16] aio-posix: partially inline aio_dispatch into aio_poll, Paolo Bonzini, 2017/01/13