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Re: [Qemu-devel] [RFC 0/7] Safe watch and breakpoint manipulation

From: Sergey Fedorov
Subject: Re: [Qemu-devel] [RFC 0/7] Safe watch and breakpoint manipulation
Date: Mon, 20 Jun 2016 18:23:51 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0

On 20/06/16 17:25, Paolo Bonzini wrote:
> On 20/06/2016 15:55, Sergey Fedorov wrote:
>>>> I'm not sure why you say that arrays are more amenable than QTAILQ
>>>> (though indeed include/qemu/rcu_queue.h only includes QLIST for now),
>>>> but I feel bad asking you to redo all the work...
>> Is there any realistic way to manage *doubly* linked lists in RCU?
> Linux does that fine with circular linked list, but off the top of my
> head I cannot think of any reason why QTAILQ would not work.

Silly me, I see that now :)


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