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(parent: 8b72cfb) | patch
AHCI: Do not acquire ata_host::lock from single IRQ handler
authorAlexander Gordeev <agordeev@redhat.com>
Mon, 6 Oct 2014 15:26:35 +0000 (16:26 +0100)
committerTejun Heo <tj@kernel.org>
Mon, 6 Oct 2014 15:43:36 +0000 (11:43 -0400)
commit42ebf645e15a0d819625a5a15807247f5ce677e2
treebcf6430240b39ed54f03709f0fc681831627b7d1tree | snapshot
parent8b72cfb1257885799f4d9edfc5da356937771c10commit | diff
AHCI: Do not acquire ata_host::lock from single IRQ handler

There is no need to acquire ata_host::lock spinlock from
hardware context single IRQ interrupt handler since the
handler does not access host data that could be altered
by concurrent processors.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
drivers/ata/libahci.c diff | blob | history
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