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Re: [Qemu-block] [PATCH] block: Don't acquire AioContext in hmp_qemu_io(

From: Kevin Wolf
Subject: Re: [Qemu-block] [PATCH] block: Don't acquire AioContext in hmp_qemu_io()
Date: Wed, 13 Dec 2017 11:41:05 +0100
User-agent: Mutt/1.9.1 (2017-09-22)

Am 12.12.2017 um 14:48 hat Kevin Wolf geschrieben:
> 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>

Applied to block-next.


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