From: Vladimir Murzin <vladimir.murzin@arm.com>
Date: Mon, 1 Dec 2014 10:53:08 +0000 (+0000)
Subject: arm64: compat: align cacheflush syscall with arch/arm
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~18^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2d25a5391ca219f196f9fee7b535c40d201c6bf;p=pandora-kernel.git

arm64: compat: align cacheflush syscall with arch/arm

Update handling of cacheflush syscall with changes made in arch/arm
counterpart:
 - return error to userspace when flushing syscall fails
 - split user cache-flushing into interruptible chunks
 - don't bother rounding to nearest vma

Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
[will: changed internal return value from -EINTR to 0 to match arch/arm/]
Signed-off-by: Will Deacon <will.deacon@arm.com>
---

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