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linux/drivers/xen/events
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Juergen Gross eabe741782 xen/events: unmask a fifo event channel only if it was masked 
Unmasking an event channel with fifo events channels being used can
require a hypercall to be made, so try to avoid that by checking
whether the event channel was really masked.

Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Link: https://lore.kernel.org/r/20201022094907.28560-5-jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
History 2020-10-23 05:41:25 -05:00
..
events_2l.c xen/events: make struct irq_info private to events_base.c 2020-10-23 05:41:25 -05:00
events_base.c xen/events: only register debug interrupt for 2-level events 2020-10-23 05:41:25 -05:00
events_fifo.c xen/events: unmask a fifo event channel only if it was masked 2020-10-23 05:41:25 -05:00
events_internal.h xen/events: make struct irq_info private to events_base.c 2020-10-23 05:41:25 -05:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00