| commit | c1e3b377ad48febba6f91b8ae42c44ee4d4ab45e | [log] [tgz] |
|---|---|---|
| author | Zhao Yakui <yakui.zhao@intel.com> | Tue Jun 24 17:58:53 2008 +0800 |
| committer | Andi Kleen <andi@basil.nowhere.org> | Wed Jul 16 23:27:05 2008 +0200 |
| tree | 7893e4226f52c4001150066f544415c1b17741f5 | |
| parent | 5b53496a5ad79e91052f72761a7c5516b069bc99 [diff] |
ACPI: Create "idle=halt" bootparam "idle=halt" limits the idle loop to using the halt instruction. No MWAIT, no IO accesses, no C-states deeper than C1. If something is broken in the idle code, "idle=halt" is a less severe workaround than "idle=poll" which disables all power savings. Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>