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Re: [Qemu-devel] [PATCH] AioContext: fix broken ctx->dispatching optimiz

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] AioContext: fix broken ctx->dispatching optimization
Date: Thu, 16 Jul 2015 11:14:37 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1

On 16/07/2015 07:29, Fam Zheng wrote:
>> This patch rewrites the ctx->dispatching optimization 
> I lost track, but what was the justification of this optimization?

qemu_bh_schedule's call to aio_notify were showing in the profile as 20%
or so.


> Anyway, awesome debugging and explanations!

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