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Re: [PATCH] hw/rdma: Lock before destroy
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From: |
Peter Maydell |
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Subject: |
Re: [PATCH] hw/rdma: Lock before destroy |
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Date: |
Tue, 24 Mar 2020 13:20:29 +0000 |
On Tue, 24 Mar 2020 at 12:57, Yuval Shaia <address@hidden> wrote:
> So what i can do is to check list->list at every API since destroy
> functions sets it to NULL.
No, that won't help. You can't check list->list for NULL without
taking the lock (because in the append etc functions you really
could be multithreaded), and you can't take the lock because
it might have been destroyed.
thanks
-- PMM