Re: [Xen-devel] [PATCH v4 2/2] kexec: remove spinlock now that all KEXEC hypercall ops are protected at the top-level

[Julien Grall <julien.grall@xxxxxxx>]

Hi Andrew,

On 20/04/17 13:14, Andrew Cooper wrote:
> On 20/04/17 11:46, Jan Beulich wrote:
> > > > > On 19.04.17 at 23:01, <eric.devolder@xxxxxxxxxx> wrote:
> > > The spinlock in kexec_swap_images() was removed as
> > > this function is only reachable on the kexec hypercall, which is
> > > now protected at the top-level in do_kexec_op_internal(),
> > > thus the local spinlock is no longer necessary.
> > >
> > > Per recommendation from Jan Beulich and Andrew Cooper, I left
> > > an ASSERT in place of the spin_lock().
> > >
> > > Signed-off-by: Eric DeVolder <eric.devolder@xxxxxxxxxx>
> > > Reviewed-by: Bhavesh Davda <bhavesh.davda@xxxxxxxxxx>
> > > Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> > Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
>
> Julien - can I get a 4.9 release ack for these two patches?
Release-acked-by: Julien Grall <julien.grall@xxxxxxx>

Cheers,

--
Julien Grall

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