From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 25 May 2011 00:12:53 +0000 (-0700)
Subject: asm-generic/cacheflush.h: flush icache when copying to user pages
X-Git-Tag: v3.0-rc1~216
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f68aa5b445fd00b67588ade611a4efb1a34dadb4;p=pandora-kernel.git

asm-generic/cacheflush.h: flush icache when copying to user pages

The copy_to_user_page() function is supposed to flush the icache on the
memory that was written, but the current asm-generic version lacks that
logic.  While normally it isn't a big deal as the asm-generic version of
icache flushing is a stub, it is a deal for ports that want to use the
asm-generic version as a baseline and then overlay its own specific parts
(like icache flushing).

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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