https://github.com/torvalds/linux
Revision 95f715b08fa4a953771398d20cbe35a6803ea41d authored by Heiko Carstens on 14 November 2013, 04:01:43 UTC, committed by Benjamin Herrenschmidt on 20 November 2013, 23:33:37 UTC
__get_user_pages_fast() may be called with interrupts disabled (see e.g.
get_futex_key() in kernel/futex.c) and therefore should use local_irq_save()
and local_irq_restore() instead of local_irq_disable()/enable().

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
CC: <stable@vger.kernel.org> [v3.12]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
1 parent 0b5381a
History
Tip revision: 95f715b08fa4a953771398d20cbe35a6803ea41d authored by Heiko Carstens on 14 November 2013, 04:01:43 UTC
powerpc: Fix __get_user_pages_fast() irq handling
Tip revision: 95f715b
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