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| author | Len Brown <len.brown@intel.com> | 2015-05-12 00:27:10 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-12 09:54:33 +0300 |
| commit | 1a744cb356c57303fc97eb15a298032170f841fa (patch) | |
| tree | 4b53ce69c8ec5a9a7ce3fec39223f213055d1d41 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | d68921f9bd148359e6d01c84aaa2e32bfbd82970 (diff) | |
| download | linux-1a744cb356c57303fc97eb15a298032170f841fa.tar.xz | |
x86/smp/boot: Remove 10ms delay from cpu_up() on modern processors
Modern processor familes do not require the 10ms delay
in cpu_up() to de-assert INIT. This speeds up boot
and resume by 10ms per (application) processor.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jan H. Schönherr <jschoenh@amazon.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/021ce30c88f216ad39686646421194dc25671e55.1431379433.git.len.brown@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions