[Xen-changelog] [xen-unstable] Make ACPI Cx keyhandler always print something

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1249212565 -3600
# Node ID a23057f52f147919ab99e9c8c327aa15c12c2510
# Parent  091209f1b95cce29767f06bc351e52b1d7b91169
Make ACPI Cx keyhandler always print something

...so that from a serial log you can tell the difference between not
pressing the key and not having anything interestying to print.

Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
---
 xen/arch/x86/acpi/cpu_idle.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)

diff -r 091209f1b95c -r a23057f52f14 xen/arch/x86/acpi/cpu_idle.c
--- a/xen/arch/x86/acpi/cpu_idle.c      Sun Aug 02 12:28:22 2009 +0100
+++ b/xen/arch/x86/acpi/cpu_idle.c      Sun Aug 02 12:29:25 2009 +0100
@@ -102,6 +102,7 @@ static void dump_cx(unsigned char key)
 {
     unsigned int cpu;
 
+    printk("'%c' pressed -> printing ACPI Cx structures\n", key);
     for_each_online_cpu ( cpu )
         if (processor_powers[cpu])
             print_acpi_power(cpu, processor_powers[cpu]);
@@ -110,7 +111,7 @@ static int __init cpu_idle_key_init(void
 static int __init cpu_idle_key_init(void)
 {
     register_keyhandler(
-        'c', dump_cx,        "dump cx structures");
+        'c', dump_cx,        "dump ACPI Cx structures");
     return 0;
 }
 __initcall(cpu_idle_key_init);

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