[PATCH] kdump: export per cpu crash notes pointer through sysfs (fix)
Changes
1 files changed · +0 −2
| File | Status | Add | Del | Content |
|---|---|---|---|---|
| drivers/base/cpu.c | modified | +0 | −2 | View file |
drivers/base/cpu.c
View filediff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 982e658..07a7f97 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);