From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Thu, 14 Nov 2013 04:01:43 +0000 (+1100)
Subject: powerpc: Fix __get_user_pages_fast() irq handling
X-Git-Tag: v3.13-rc1~16^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=95f715b08fa4a953771398d20cbe35a6803ea41d;p=pandora-kernel.git

powerpc: Fix __get_user_pages_fast() irq handling

__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>
---

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