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-rw-r--r--arch/riscv/kernel/perf_callchain.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/riscv/kernel/perf_callchain.c b/arch/riscv/kernel/perf_callchain.c
index cf190197a22f..0bb1854dce83 100644
--- a/arch/riscv/kernel/perf_callchain.c
+++ b/arch/riscv/kernel/perf_callchain.c
@@ -4,11 +4,7 @@
#include <linux/perf_event.h>
#include <linux/uaccess.h>
-/* Kernel callchain */
-struct stackframe {
- unsigned long fp;
- unsigned long ra;
-};
+#include <asm/stacktrace.h>
/*
* Get the return address for a single stackframe and return a pointer to the
@@ -74,13 +70,11 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
fp = user_backtrace(entry, fp, 0);
}
-bool fill_callchain(unsigned long pc, void *entry)
+static bool fill_callchain(void *entry, unsigned long pc)
{
return perf_callchain_store(entry, pc);
}
-void notrace walk_stackframe(struct task_struct *task,
- struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg);
void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry,
struct pt_regs *regs)
{