Re: [PATCH] xen/xenbus: fix locking
From: Boris Ostrovsky
Date: Thu Mar 05 2020 - 10:55:23 EST
On 3/5/20 5:03 AM, Juergen Gross wrote:
> Commit 060eabe8fbe726 ("xenbus/backend: Protect xenbus callback with
> lock") introduced a bug by holding a lock while calling a function
> which might schedule.
>
> Fix that by using a semaphore instead.
>
> Fixes: 060eabe8fbe726 ("xenbus/backend: Protect xenbus callback with lock")
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>