From: H. Peter Anvin <hpa@linux.intel.com>
Date: Fri, 30 Aug 2013 22:43:03 +0000 (-0700)
Subject: x86, smap: Handle csum_partial_copy_*_user()
X-Git-Tag: v3.12-rc1~153^2~1
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7263dda41b5a28ae6566fd126d9b06ada73dd721;p=pandora-kernel.git

x86, smap: Handle csum_partial_copy_*_user()

Add SMAP annotations to csum_partial_copy_to/from_user().  These
functions legitimately access user space and thus need to set the AC
flag.

TODO: add explicit checks that the side with the kernel space pointer
really points into kernel space.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/n/tip-2aps0u00eer658fd5xyanan7@git.kernel.org
Cc: <stable@vger.kernel.org> # v3.7+
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