linux-kernel - Re: [PATCH-RFC 2/2] eventfd: EFD

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Message-ID: <4A77F6EF.8010002@redhat.com>
Date:	Tue, 04 Aug 2009 11:53:03 +0300
From:	Avi Kivity <avi@...hat.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
CC:	davidel@...ilserver.org, gleb@...hat.com, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH-RFC 2/2] eventfd: EFD_STATE flag

On 08/03/2009 07:57 PM, Michael S. Tsirkin wrote:
>> Why not do it at the point of the write?
>>
>>      if (value != ctx->count) {
>>          ctx->count = value;
>>          wake_things_up();
>>      }
>>      
>
> What if write comes before read?
>    

The read will get the new value.

-- 
error compiling committee.c: too many arguments to function

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