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Re: [Qemu-block] [PATCH] block: Don't acquire AioContext in hmp_qemu_io(
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-block] [PATCH] block: Don't acquire AioContext in hmp_qemu_io() |
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Date: |
Wed, 13 Dec 2017 10:26:14 +0000 |
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User-agent: |
Mutt/1.9.1 (2017-09-22) |
On Tue, Dec 12, 2017 at 02:48:00PM +0100, Kevin Wolf wrote:
> Commit 15afd94a047 added code to acquire and release the AioContext in
> qemuio_command(). This means that the lock is taken twice now in the
> call path from hmp_qemu_io(). This causes BDRV_POLL_WHILE() to hang for
> any requests issued to nodes in a non-mainloop AioContext.
>
> Dropping the first locking from hmp_qemu_io() fixes the problem.
>
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
> hmp.c | 6 ------
> 1 file changed, 6 deletions(-)
Reviewed-by: Stefan Hajnoczi <address@hidden>
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