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[libata] wrap kmap_atomic(KM_IRQ0) with local_irq_save/restore()
authorJeff Garzik <jeff@garzik.org>
Sat, 1 Mar 2008 00:10:51 +0000 (19:10 -0500)
committerJeff Garzik <jeff@garzik.org>
Sat, 1 Mar 2008 00:10:51 +0000 (19:10 -0500)
Interrupts must be disabled if using kmap_atomic(KM_IRQ0), but that was
not the case in a few code paths coming directly from ATA driver
interrupt handlers (which use spin_lock rather than spin_lock_irqsave).

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

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