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Re: [Qemu-devel] [PATCH] linux-user: call cpu_copy under clone_lock

From: Alex Bennée
Subject: Re: [Qemu-devel] [PATCH] linux-user: call cpu_copy under clone_lock
Date: Wed, 04 Apr 2018 13:52:09 +0100
User-agent: mu4e 1.1.0; emacs 26.0.91

Peter Maydell <address@hidden> writes:

> On 4 April 2018 at 11:27, Alex Bennée <address@hidden> wrote:
>> I'm wondering if it should be doing more. After all start/end_exclusive
>> rely on the cpu list and that isn't updated on thread creation - and
>> without that a bunch of other things fail like ld/st exclusive after
>> your first new thread is spawned.
> I think that is handled because creating a new thread calls
> cpu_copy(), which creates a new CPU object, which adds itself
> to the CPU list in its realize function (same as for system
> emulation new CPU objects).

Ahh that makes sense - I missed it hidden behind the realize.

Alex Bennée

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