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| author | H. Peter Anvin <hpa@linux.intel.com> | 2012-07-27 22:26:08 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-15 12:04:29 -0700 |
| commit | 9f6082404e1d17ea7a9745c141dd91dba2102c57 (patch) | |
| tree | f0dce38bb85b366d840250d2bb36a828ae55604a /drivers/scsi/mpt2sas/mpi/mpi2_init.h | |
| parent | 4f4cb6f72c4e95cac32316b2be4a0b344513910a (diff) | |
random: mix in architectural randomness in extract_buf()
commit d2e7c96af1e54b507ae2a6a7dd2baf588417a7e5 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi/mpt2sas/mpi/mpi2_init.h')
0 files changed, 0 insertions, 0 deletions