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irqchip: gicv3-its: Use non-cacheable accesses when no shareability
authorMarc Zyngier <marc.zyngier@arm.com>
Fri, 27 Mar 2015 14:15:05 +0000 (14:15 +0000)
committerJason Cooper <jason@lakedaemon.net>
Sun, 29 Mar 2015 19:25:57 +0000 (19:25 +0000)
commit241a386c7dbb8b0db400a1f92f2ebe3b10eb661d
treea450c343af17966b9fb78d54488c0ee838436861tree | snapshot
parent4ad3e3634a6cbe916722c7113c5b488d52c7a3dccommit | diff
irqchip: gicv3-its: Use non-cacheable accesses when no shareability

If the ITS or the redistributors report their shareability as zero,
then it is important to make sure they will no generate any cacheable
traffic, as this is unlikely to produce the expected result.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1427465705-17126-5-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
drivers/irqchip/irq-gic-v3-its.c diff | blob | blame | history
include/linux/irqchip/arm-gic-v3.h diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git