From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: [PATCH-RFC 2/2] eventfd: EFD_STATE flag
Date: Tue, 04 Aug 2009 11:53:03 +0300
Message-ID: <4A77F6EF.8010002@redhat.com>
References: <cover.1248803500.git.mst@redhat.com> <20090728175538.GC21549@redhat.com> <4A76FDB2.7080706@redhat.com> <20090803151426.GA3630@redhat.com> <4A770260.5000507@redhat.com> <20090803165708.GB3630@redhat.com>
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Cc: davidel@xmailserver.org, gleb@redhat.com, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org
To: "Michael S. Tsirkin" <mst@redhat.com>
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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