tree c9aeb9e716ee2d83204724d6e2baa2b2e81caf0e parent a54649b801e5fe69755dc55e6589f7a65af25d79 author Andi Kleen <[EMAIL PROTECTED]> Fri, 29 Jul 2005 11:15:34 -0700 committer Linus Torvalds <[EMAIL PROTECTED]> Fri, 29 Jul 2005 11:45:59 -0700
[PATCH] x86_64: Some updates for boot-options.txt Signed-off-by: Andi Kleen <[EMAIL PROTECTED]> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]> Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]> Documentation/x86_64/boot-options.txt | 10 ++++++---- 1 files changed, 6 insertions(+), 4 deletions(-) diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt @@ -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. - To unsubscribe from this list: send the line "unsubscribe bk-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
