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authorH. Peter Anvin <hpa@linux.intel.com>2012-07-27 22:26:08 -0400
committerTheodore Ts'o <tytso@mit.edu>2012-07-27 22:37:20 -0400
commitd2e7c96af1e54b507ae2a6a7dd2baf588417a7e5 (patch)
treea60b31adede15169f7835e8a4b10151f20e8bd24 /arch/arm/mach-pxa
parentd114a33387472555188f142ed8e98acdb8181c6d (diff)
random: mix in architectural randomness in extract_buf()
Mix in any architectural randomness in extract_buf() instead of xfer_secondary_buf(). This allows us to mix in more architectural randomness, and it also makes xfer_secondary_buf() faster, moving a tiny bit of additional CPU overhead to process which is extracting the randomness. [ Commit description modified by tytso to remove an extended advertisement for the RDRAND instruction. ] Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: DJ Johnston <dj.johnston@intel.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@vger.kernel.org
Diffstat (limited to 'arch/arm/mach-pxa')
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