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-rw-r--r--arch/arm64/include/asm/stacktrace.h2
-rw-r--r--arch/arm64/kernel/perf_callchain.c6
-rw-r--r--arch/arm64/kernel/return_address.c8
-rw-r--r--arch/arm64/kernel/stacktrace.c11
4 files changed, 13 insertions, 14 deletions
diff --git a/arch/arm64/include/asm/stacktrace.h b/arch/arm64/include/asm/stacktrace.h
index fc7613023c19..eb29b1fe8255 100644
--- a/arch/arm64/include/asm/stacktrace.h
+++ b/arch/arm64/include/asm/stacktrace.h
@@ -63,7 +63,7 @@ struct stackframe {
extern int unwind_frame(struct task_struct *tsk, struct stackframe *frame);
extern void walk_stackframe(struct task_struct *tsk, struct stackframe *frame,
- int (*fn)(struct stackframe *, void *), void *data);
+ bool (*fn)(void *, unsigned long), void *data);
extern void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk,
const char *loglvl);
diff --git a/arch/arm64/kernel/perf_callchain.c b/arch/arm64/kernel/perf_callchain.c
index b0e03e052dd1..88ff471b0bce 100644
--- a/arch/arm64/kernel/perf_callchain.c
+++ b/arch/arm64/kernel/perf_callchain.c
@@ -137,11 +137,11 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
* whist unwinding the stackframe and is like a subroutine return so we use
* the PC.
*/
-static int callchain_trace(struct stackframe *frame, void *data)
+static bool callchain_trace(void *data, unsigned long pc)
{
struct perf_callchain_entry_ctx *entry = data;
- perf_callchain_store(entry, frame->pc);
- return 0;
+ perf_callchain_store(entry, pc);
+ return true;
}
void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry,
diff --git a/arch/arm64/kernel/return_address.c b/arch/arm64/kernel/return_address.c
index a5e8b3b9d798..a6d18755652f 100644
--- a/arch/arm64/kernel/return_address.c
+++ b/arch/arm64/kernel/return_address.c
@@ -18,16 +18,16 @@ struct return_address_data {
void *addr;
};
-static int save_return_addr(struct stackframe *frame, void *d)
+static bool save_return_addr(void *d, unsigned long pc)
{
struct return_address_data *data = d;
if (!data->level) {
- data->addr = (void *)frame->pc;
- return 1;
+ data->addr = (void *)pc;
+ return false;
} else {
--data->level;
- return 0;
+ return true;
}
}
NOKPROBE_SYMBOL(save_return_addr);
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index 2dd8e3b8b94b..05eaba21fd46 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -118,12 +118,12 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame)
NOKPROBE_SYMBOL(unwind_frame);
void notrace walk_stackframe(struct task_struct *tsk, struct stackframe *frame,
- int (*fn)(struct stackframe *, void *), void *data)
+ bool (*fn)(void *, unsigned long), void *data)
{
while (1) {
int ret;
- if (fn(frame, data))
+ if (!fn(data, frame->pc))
break;
ret = unwind_frame(tsk, frame);
if (ret < 0)
@@ -139,17 +139,16 @@ struct stack_trace_data {
unsigned int skip;
};
-static int save_trace(struct stackframe *frame, void *d)
+static bool save_trace(void *d, unsigned long addr)
{
struct stack_trace_data *data = d;
struct stack_trace *trace = data->trace;
- unsigned long addr = frame->pc;
if (data->no_sched_functions && in_sched_functions(addr))
- return 0;
+ return false;
if (data->skip) {
data->skip--;
- return 0;
+ return false;
}
trace->entries[trace->nr_entries++] = addr;