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Re: [Xen-devel] [PATCH 3/4] x86/IRQ: relax locking in irq_guest_eoi_timer_fn()

On Wed, May 08, 2019 at 06:47:34AM -0600, Jan Beulich wrote:
> This is a timer handler, so it gets entered with IRQs enabled. Therefore
> there's no need to save/restore the IRQ masking flag.
> Additionally the final switch()'es ACKTYPE_EOI case re-acquires the lock
> just for it to be dropped again right away. Do away with this.
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>


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