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(parent: dbbf364) | patch
x86-32, smap: Add STAC/CLAC instructions to 32-bit kernel entry
authorH. Peter Anvin <hpa@linux.intel.com>
Fri, 21 Sep 2012 20:58:10 +0000 (13:58 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Fri, 21 Sep 2012 21:04:27 +0000 (14:04 -0700)
commit091a1f62246153e0a326cb50148e96f6ba53c429
tree02d19c4a79b612869812fc95edeb733d9fcd3f0atree | snapshot
parentdbbf364fa5f592f848abff9f6e8459badaf1598acommit | diff
x86-32, smap: Add STAC/CLAC instructions to 32-bit kernel entry

The changes to entry_32.S got missed in checkin:

a8f24666 x86, smap: Add STAC and CLAC instructions to control user space access

The resulting kernel was largely functional but SMAP protection could
have been bypassed.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-9-git-send-email-hpa@linux.intel.com
arch/x86/kernel/entry_32.S diff | blob | history
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