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| author |   Jack Steiner <steiner@sgi.com> | 2011-08-05 09:09:00 -0500 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2011-08-05 23:48:34 +0200 |
| commit | 05e33fc20ea5e493a2a1e7f1d04f43cdf89f83ed (patch) | |
| tree | dceeb82c6aa858f734a96c908e54070613002466 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | x86, olpc: Wait for last byte of EC command to be accepted (diff) | |
| download | linux-dev-05e33fc20ea5e493a2a1e7f1d04f43cdf89f83ed.tar.xz linux-dev-05e33fc20ea5e493a2a1e7f1d04f43cdf89f83ed.zip | |
x86, UV: Remove UV delay in starting slave cpus
Delete the 10 msec delay between the INIT and SIPI when starting
slave cpus. I can find no requirement for this delay. BIOS also
has similar code sequences without the delay.
Removing the delay reduces boot time by 40 sec. Every bit helps.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/20110805140900.GA6774@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions