From: Vivek Goyal <vgoyal@in.ibm.com>
Date: Tue, 10 Jan 2006 04:51:42 +0000 (-0800)
Subject: [PATCH] kdump: export per cpu crash notes pointer through sysfs (fix)
X-Git-Tag: v2.6.16-rc1~637
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=35ed319a36cdfd88fc3debe6ce24e756bc474cce;p=linux-2.6

[PATCH] kdump: export per cpu crash notes pointer through sysfs (fix)

Removes the call to get_cpu() and put_cpu() as it is not required.

Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 982e6583cd..07a7f97e1d 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -101,10 +101,8 @@ static ssize_t show_crash_notes(struct sys_device *dev, char *buf)
 	 * boot up and this data does not change there after. Hence this
 	 * operation should be safe. No locking required.
 	 */
-	get_cpu();
 	addr = __pa(per_cpu_ptr(crash_notes, cpunum));
 	rc = sprintf(buf, "%Lx\n", addr);
-	put_cpu();
 	return rc;
 }
 static SYSDEV_ATTR(crash_notes, 0400, show_crash_notes, NULL);