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Re: [Qemu-devel] [PATCH] linux-user: call cpu_copy under clone_lock
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH] linux-user: call cpu_copy under clone_lock |
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Date: |
Wed, 4 Apr 2018 12:20:40 +0100 |
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).
thanks
-- PMM