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authorGreg Kroah-Hartman <gregkh@suse.de>2011-02-18 20:11:27 (GMT)
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-18 20:11:27 (GMT)
commit80ae3fa5d6712ef3625eff617f72e190645d6361 (patch)
treefd9be0ecbb4baa6385aa1a75af7ced5f7d691be4 /arch/arm/oprofile/common.c
parent59db5b2b9e0327e545ff5764dadcb26062c2ab1f (diff)
parent85e2efbb1db9a18d218006706d6e4fbeb0216213 (diff)
downloadlinux-80ae3fa5d6712ef3625eff617f72e190645d6361.tar.xz
Merge 2.6.38-rc5 into staging-next
This is to resolve a merge conflict with: drivers/staging/zram/zram_drv.c as pointed out by Stephen Rothwell Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Nitin Gupta <ngupta@vflare.org> Cc: Robert Jennings <rcj@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/arm/oprofile/common.c')
-rw-r--r--arch/arm/oprofile/common.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index 8aa9744..c074e66 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -10,8 +10,6 @@
*/
#include <linux/cpumask.h>
-#include <linux/err.h>
-#include <linux/errno.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/oprofile.h>
@@ -46,6 +44,7 @@ char *op_name_from_perf_id(void)
return NULL;
}
}
+#endif
static int report_trace(struct stackframe *frame, void *d)
{
@@ -85,7 +84,7 @@ static struct frame_tail* user_backtrace(struct frame_tail *tail)
/* frame pointers should strictly progress back up the stack
* (towards higher addresses) */
- if (tail >= buftail[0].fp)
+ if (tail + 1 >= buftail[0].fp)
return NULL;
return buftail[0].fp-1;
@@ -111,6 +110,7 @@ static void arm_backtrace(struct pt_regs * const regs, unsigned int depth)
int __init oprofile_arch_init(struct oprofile_operations *ops)
{
+ /* provide backtrace support also in timer mode: */
ops->backtrace = arm_backtrace;
return oprofile_perf_init(ops);
@@ -120,11 +120,3 @@ void __exit oprofile_arch_exit(void)
{
oprofile_perf_exit();
}
-#else
-int __init oprofile_arch_init(struct oprofile_operations *ops)
-{
- pr_info("oprofile: hardware counters not available\n");
- return -ENODEV;
-}
-void __exit oprofile_arch_exit(void) {}
-#endif /* CONFIG_HW_PERF_EVENTS */