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

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> 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>



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