Re: [Xen-devel] [PATCH for 4.7 1/4] xen: sched: avoid spuriously re-enabling IRQs in csched2_switch_sched()

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 03.05.16 at 23:46, <dario.faggioli@xxxxxxxxxx> wrote:
> In fact, interrupts are already disabled when calling
> the hook from schedule_cpu_switch(), and hence using
> anything different than just spin_lock() is wrong (and
> ASSERT()-s in debug builds) or unnecessary.

Well, this is a little too broad a statement: spin_lock_irqsave()
would be quite fine in this situation.

> Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>

Actual code change
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>


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