Re: [PATCH] xen/evtchn: Change irq_info lock to raw_spinlock_t

[Julien Grall]

Hi Luca,

On 06/04/2021 11:51, Luca Fancellu wrote:

Unmask operation must be called with interrupt disabled,
on preempt_rt spin_lock_irqsave/spin_unlock_irqrestore
don't disable/enable interrupts, so use raw_* implementation
and change lock variable in struct irq_info from spinlock_t
to raw_spinlock_t

Cc: sta...@vger.kernel.org
Fixes: 25da4618af24 ("xen/events: don't unmask an event channel
when an eoi is pending")

Signed-off-by: Luca Fancellu <luca.fance...@arm.com>

Reviewed-by: Julien Grall <jgr...@amazon.com>

Cheers,

--
Julien Grall