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-rw-r--r--arch/arm/kernel/perf_callchain.c2
-rw-r--r--arch/arm64/kernel/perf_callchain.c4
-rw-r--r--arch/metag/kernel/perf_callchain.c2
-rw-r--r--arch/mips/kernel/perf_event.c4
-rw-r--r--arch/powerpc/perf/callchain.c4
-rw-r--r--arch/sparc/kernel/perf_event.c6
-rw-r--r--arch/x86/events/core.c4
-rw-r--r--arch/xtensa/kernel/perf_event.c4
8 files changed, 15 insertions, 15 deletions
diff --git a/arch/arm/kernel/perf_callchain.c b/arch/arm/kernel/perf_callchain.c
index 4e02ae5950ff..27563befa8a2 100644
--- a/arch/arm/kernel/perf_callchain.c
+++ b/arch/arm/kernel/perf_callchain.c
@@ -75,7 +75,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
tail = (struct frame_tail __user *)regs->ARM_fp - 1;
- while ((entry->nr < PERF_MAX_STACK_DEPTH) &&
+ while ((entry->nr < sysctl_perf_event_max_stack) &&
tail && !((unsigned long)tail & 0x3))
tail = user_backtrace(tail, entry);
}
diff --git a/arch/arm64/kernel/perf_callchain.c b/arch/arm64/kernel/perf_callchain.c
index ff4665462a02..32c3c6e70119 100644
--- a/arch/arm64/kernel/perf_callchain.c
+++ b/arch/arm64/kernel/perf_callchain.c
@@ -122,7 +122,7 @@ void perf_callchain_user(struct perf_callchain_entry *entry,
tail = (struct frame_tail __user *)regs->regs[29];
- while (entry->nr < PERF_MAX_STACK_DEPTH &&
+ while (entry->nr < sysctl_perf_event_max_stack &&
tail && !((unsigned long)tail & 0xf))
tail = user_backtrace(tail, entry);
} else {
@@ -132,7 +132,7 @@ void perf_callchain_user(struct perf_callchain_entry *entry,
tail = (struct compat_frame_tail __user *)regs->compat_fp - 1;
- while ((entry->nr < PERF_MAX_STACK_DEPTH) &&
+ while ((entry->nr < sysctl_perf_event_max_stack) &&
tail && !((unsigned long)tail & 0x3))
tail = compat_user_backtrace(tail, entry);
#endif
diff --git a/arch/metag/kernel/perf_callchain.c b/arch/metag/kernel/perf_callchain.c
index 315633461a94..252abc12a5a3 100644
--- a/arch/metag/kernel/perf_callchain.c
+++ b/arch/metag/kernel/perf_callchain.c
@@ -65,7 +65,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
--frame;
- while ((entry->nr < PERF_MAX_STACK_DEPTH) && frame)
+ while ((entry->nr < sysctl_perf_event_max_stack) && frame)
frame = user_backtrace(frame, entry);
}
diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c
index c1cf9c6c3f77..5021c546ad07 100644
--- a/arch/mips/kernel/perf_event.c
+++ b/arch/mips/kernel/perf_event.c
@@ -35,7 +35,7 @@ static void save_raw_perf_callchain(struct perf_callchain_entry *entry,
addr = *sp++;
if (__kernel_text_address(addr)) {
perf_callchain_store(entry, addr);
- if (entry->nr >= PERF_MAX_STACK_DEPTH)
+ if (entry->nr >= sysctl_perf_event_max_stack)
break;
}
}
@@ -59,7 +59,7 @@ void perf_callchain_kernel(struct perf_callchain_entry *entry,
}
do {
perf_callchain_store(entry, pc);
- if (entry->nr >= PERF_MAX_STACK_DEPTH)
+ if (entry->nr >= sysctl_perf_event_max_stack)
break;
pc = unwind_stack(current, &sp, pc, &ra);
} while (pc);
diff --git a/arch/powerpc/perf/callchain.c b/arch/powerpc/perf/callchain.c
index e04a6752b399..22d9015c1acc 100644
--- a/arch/powerpc/perf/callchain.c
+++ b/arch/powerpc/perf/callchain.c
@@ -247,7 +247,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- while (entry->nr < PERF_MAX_STACK_DEPTH) {
+ while (entry->nr < sysctl_perf_event_max_stack) {
fp = (unsigned long __user *) sp;
if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
return;
@@ -453,7 +453,7 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry,
sp = regs->gpr[1];
perf_callchain_store(entry, next_ip);
- while (entry->nr < PERF_MAX_STACK_DEPTH) {
+ while (entry->nr < sysctl_perf_event_max_stack) {
fp = (unsigned int __user *) (unsigned long) sp;
if (!valid_user_sp(sp, 0) || read_user_stack_32(fp, &next_sp))
return;
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 6596f66ce112..a4b8b5aed21c 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1756,7 +1756,7 @@ void perf_callchain_kernel(struct perf_callchain_entry *entry,
}
}
#endif
- } while (entry->nr < PERF_MAX_STACK_DEPTH);
+ } while (entry->nr < sysctl_perf_event_max_stack);
}
static inline int
@@ -1790,7 +1790,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
pc = sf.callers_pc;
ufp = (unsigned long)sf.fp + STACK_BIAS;
perf_callchain_store(entry, pc);
- } while (entry->nr < PERF_MAX_STACK_DEPTH);
+ } while (entry->nr < sysctl_perf_event_max_stack);
}
static void perf_callchain_user_32(struct perf_callchain_entry *entry,
@@ -1822,7 +1822,7 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry,
ufp = (unsigned long)sf.fp;
}
perf_callchain_store(entry, pc);
- } while (entry->nr < PERF_MAX_STACK_DEPTH);
+ } while (entry->nr < sysctl_perf_event_max_stack);
}
void
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 041e442a3e28..41d93d0e972b 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -2277,7 +2277,7 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry *entry)
fp = compat_ptr(ss_base + regs->bp);
pagefault_disable();
- while (entry->nr < PERF_MAX_STACK_DEPTH) {
+ while (entry->nr < sysctl_perf_event_max_stack) {
unsigned long bytes;
frame.next_frame = 0;
frame.return_address = 0;
@@ -2337,7 +2337,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
return;
pagefault_disable();
- while (entry->nr < PERF_MAX_STACK_DEPTH) {
+ while (entry->nr < sysctl_perf_event_max_stack) {
unsigned long bytes;
frame.next_frame = NULL;
frame.return_address = 0;
diff --git a/arch/xtensa/kernel/perf_event.c b/arch/xtensa/kernel/perf_event.c
index 54f01188c29c..a6b00b3af429 100644
--- a/arch/xtensa/kernel/perf_event.c
+++ b/arch/xtensa/kernel/perf_event.c
@@ -332,14 +332,14 @@ static int callchain_trace(struct stackframe *frame, void *data)
void perf_callchain_kernel(struct perf_callchain_entry *entry,
struct pt_regs *regs)
{
- xtensa_backtrace_kernel(regs, PERF_MAX_STACK_DEPTH,
+ xtensa_backtrace_kernel(regs, sysctl_perf_event_max_stack,
callchain_trace, NULL, entry);
}
void perf_callchain_user(struct perf_callchain_entry *entry,
struct pt_regs *regs)
{
- xtensa_backtrace_user(regs, PERF_MAX_STACK_DEPTH,
+ xtensa_backtrace_user(regs, sysctl_perf_event_max_stack,
callchain_trace, entry);
}
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