From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: [PATCH 1/5] qom: adopt rwlock to protect accessing dev from removing
 it
Date: Thu, 26 Jul 2012 16:15:46 +0300
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Cc: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org,
	kvm@vger.kernel.org, Stefan Hajnoczi <stefanha@gmail.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Anthony Liguori <anthony@codemonkey.ws>,
	Jan Kiszka <jan.kiszka@siemens.com>
To: liu ping fan <qemulist@gmail.com>
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On 07/26/2012 04:14 PM, liu ping fan wrote:
>>
>> From the description above, I don't see why it can't be a mutex.
>>
> Searching in the device tree (or MemoryRegion view) can be often in
> parallel, especially in mmio-dispatch code path

In mmio dispatch we have a pointer to the object, we don't need to
search anything.  Is device tree search a hot path?


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