mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 06:34:11 +08:00
c0735ae9a0
The SH implementation never called stacktrace_ops.stack(). Presumably this was copied from the x86 implementation. Hence remove the method, and all implementations (most of them are dummies). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rich Felker <dalias@libc.org>
33 lines
764 B
C
33 lines
764 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Performance event callchain support - SuperH architecture code
|
|
*
|
|
* Copyright (C) 2009 Paul Mundt
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/perf_event.h>
|
|
#include <linux/percpu.h>
|
|
#include <asm/unwinder.h>
|
|
#include <asm/ptrace.h>
|
|
|
|
static void callchain_address(void *data, unsigned long addr, int reliable)
|
|
{
|
|
struct perf_callchain_entry_ctx *entry = data;
|
|
|
|
if (reliable)
|
|
perf_callchain_store(entry, addr);
|
|
}
|
|
|
|
static const struct stacktrace_ops callchain_ops = {
|
|
.address = callchain_address,
|
|
};
|
|
|
|
void
|
|
perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs)
|
|
{
|
|
perf_callchain_store(entry, regs->pc);
|
|
|
|
unwind_stack(NULL, regs, NULL, &callchain_ops, entry);
|
|
}
|