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Subject[PATCH V1 2/3] Move xen_acpi_get_pxm to Xen acpi.h
Date
From 398b5a92a407aeaf5d1497e4060490d135d4897a Mon Sep 17 00:00:00 2001
From: Liu Jinsong <jinsong.liu@intel.com>
Date: Mon, 14 Jan 2013 20:31:04 +0800
Subject: [PATCH 2/3] Move xen_acpi_get_pxm to Xen acpi.h

So that it could be reused by Xen CPU hotplug logic.

Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
---
drivers/xen/xen-acpi-memhotplug.c | 18 ------------------
include/xen/acpi.h | 18 ++++++++++++++++++
2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/xen/xen-acpi-memhotplug.c b/drivers/xen/xen-acpi-memhotplug.c
index 346d80b..f01d425 100644
--- a/drivers/xen/xen-acpi-memhotplug.c
+++ b/drivers/xen/xen-acpi-memhotplug.c
@@ -65,24 +65,6 @@ static int xen_hotadd_memory(int pxm, struct acpi_memory_info *info)
return rc;
}

-static int xen_acpi_get_pxm(acpi_handle h)
-{
- unsigned long long pxm;
- acpi_status status;
- acpi_handle handle;
- acpi_handle phandle = h;
-
- do {
- handle = phandle;
- status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm);
- if (ACPI_SUCCESS(status))
- return pxm;
- status = acpi_get_parent(handle, &phandle);
- } while (ACPI_SUCCESS(status));
-
- return -ENXIO;
-}
-
static int xen_acpi_memory_enable_device(struct acpi_memory_device *mem_device)
{
int pxm, result;
diff --git a/include/xen/acpi.h b/include/xen/acpi.h
index 1c99eb5..5ac46d3 100644
--- a/include/xen/acpi.h
+++ b/include/xen/acpi.h
@@ -46,6 +46,24 @@

extern struct acpi_driver xen_stub_memory_device_driver;

+static inline int xen_acpi_get_pxm(acpi_handle h)
+{
+ unsigned long long pxm;
+ acpi_status status;
+ acpi_handle handle;
+ acpi_handle phandle = h;
+
+ do {
+ handle = phandle;
+ status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm);
+ if (ACPI_SUCCESS(status))
+ return pxm;
+ status = acpi_get_parent(handle, &phandle);
+ } while (ACPI_SUCCESS(status));
+
+ return -ENXIO;
+}
+
#define ACPI_PROCESSOR_CLASS "processor"
#define ACPI_PROCESSOR_DEVICE_HID "ACPI0007"
#define ACPI_PROCESSOR_DEVICE_NAME "Processor"
--
1.7.1[unhandled content-type:application/octet-stream]
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