From: Keir Fraser <keir.fraser@citrix.com>
Date: Mon, 6 Jul 2009 14:20:52 +0000 (+0100)
Subject: x86: Handle dynamic Cx state changes correctly.
X-Git-Tag: xen-3.4.2~27
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=99d5e33304139d1833b18426c0fdc864e3759d01;p=people%2Froyger%2Flinux-2.6.18-xen.git

x86: Handle dynamic Cx state changes correctly.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
---

diff --git a/arch/i386/kernel/acpi/processor_extcntl_xen.c b/arch/i386/kernel/acpi/processor_extcntl_xen.c
index fb697866..752b1e02 100644
--- a/arch/i386/kernel/acpi/processor_extcntl_xen.c
+++ b/arch/i386/kernel/acpi/processor_extcntl_xen.c
@@ -44,9 +44,6 @@ static int xen_cx_notifier(struct acpi_processor *pr, int action)
 	struct xen_processor_cx *data, *buf;
 	struct acpi_processor_cx *cx;
 
-	if (action == PROCESSOR_PM_CHANGE)
-		return -EINVAL;
-
 	/* Convert to Xen defined structure and hypercall */
 	buf = kzalloc(pr->power.count * sizeof(struct xen_processor_cx),
 			GFP_KERNEL);