[PATCH 7/5] AHCI: Do not acquire ata_host::lock from single IRQ handler

2014-10-06 Thread Alexander Gordeev
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 Cc: linux-...@vger.kernel.org --- drivers/ata/libahci.c | 4 1

[PATCH 7/5] AHCI: Do not acquire ata_host::lock from single IRQ handler

2014-10-06 Thread Alexander Gordeev
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 agord...@redhat.com Cc: linux-...@vger.kernel.org ---