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(parent: d8dfad3) | patch
x86, smap: Handle csum_partial_copy_*_user()
authorH. Peter Anvin <hpa@linux.intel.com>
Fri, 30 Aug 2013 22:43:03 +0000 (15:43 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Sun, 1 Sep 2013 21:09:48 +0000 (14:09 -0700)
commit7263dda41b5a28ae6566fd126d9b06ada73dd721
tree038c70f2e86655fc513ec99e141405a43e3a1632tree | snapshot
parentd8dfad3876e4386666b759da3c833d62fb8b2267commit | diff
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+
arch/x86/include/asm/checksum_32.h diff | blob | history
arch/x86/lib/csum-wrappers_64.c diff | blob | history
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