Re: [Xen-devel] [PATCH v4 4/6] xen/rcu: fix rcu_lock_domain()

[Jürgen Groß <jgross@xxxxxxxx>]

On 11.03.20 12:35, Jan Beulich wrote:
> On 10.03.2020 08:28, Juergen Gross wrote:
> > rcu_lock_domain() misuses the domain structure as rcu lock, which is
> > working only as long as rcu_read_lock() isn't evaluating the lock.
> >
> > Fix that by adding a rcu lock to struct domain and use that for
> > rcu_lock_domain().
> >
> > Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
>
> I guess this one is independent of patches 2 and 3, and hence could
> go in together with patch 1?
Yes.


Juergen

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