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(parent: 53e5313) | patch
x86, rdrand: When nordrand is specified, disable RDSEED as well
authorH. Peter Anvin <hpa@linux.intel.com>
Mon, 12 May 2014 03:25:20 +0000 (20:25 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Mon, 12 May 2014 03:25:20 +0000 (20:25 -0700)
commit5c6e1616e40d44962b426721df11e9cfd7930071
tree5539029ddca915b6c5d1e4e688e2943393c3f811tree | snapshot
parent53e5313673903082e1a4b63bd6c576867a14921fcommit | diff
x86, rdrand: When nordrand is specified, disable RDSEED as well

One can logically expect that when the user has specified "nordrand",
the user doesn't want any use of the CPU random number generator,
neither RDRAND nor RDSEED, so disable both.

Reported-by: Stephan Mueller <smueller@chronox.de>
Cc: Theodore Ts'o <tytso@mit.edu>
Link: http://lkml.kernel.org/r/21542339.0lFnPSyGRS@myon.chronox.de
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Documentation/kernel-parameters.txt diff | blob | history
arch/x86/kernel/cpu/rdrand.c diff | blob | history
Linux Kernel Source Tree.