From: Zhao Yakui <yakui.zhao@intel.com>
Date: Tue, 24 Jun 2008 09:58:53 +0000 (+0800)
Subject: ACPI: Create "idle=halt" bootparam
X-Git-Tag: v2.6.27-rc1~1050^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c1e3b377ad48febba6f91b8ae42c44ee4d4ab45e;p=pandora-kernel.git

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>
---

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