[PATCH] x86_64: Some updates for boot-options.txt

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2005-07-28 21:15:34 -07:00 коммит произвёл Linus Torvalds
Родитель a54649b801
Коммит ef4d7cbea7
1 изменённых файлов: 6 добавлений и 4 удалений

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@ -47,7 +47,7 @@ Timing
notsc
Don't use the CPU time stamp counter to read the wall time.
This can be used to work around timing problems on multiprocessor systems
with not properly synchronized CPUs. Only useful with a SMP kernel
with not properly synchronized CPUs.
report_lost_ticks
Report when timer interrupts are lost because some code turned off
@ -74,6 +74,9 @@ Idle loop
event. This will make the CPUs eat a lot more power, but may be useful
to get slightly better performance in multiprocessor benchmarks. It also
makes some profiling using performance counters more accurate.
Please note that on systems with MONITOR/MWAIT support (like Intel EM64T
CPUs) this option has no performance advantage over the normal idle loop.
It may also interact badly with hyperthreading.
Rebooting
@ -178,6 +181,5 @@ Debugging
Misc
noreplacement Don't replace instructions with more appropiate ones
for the CPU. This may be useful on asymmetric MP systems
where some CPU have less capabilities than the others.
for the CPU. This may be useful on asymmetric MP systems
where some CPU have less capabilities than the others.