diff options
Diffstat (limited to 'arch/mips/kernel/perf_event.c')
| -rw-r--r-- | arch/mips/kernel/perf_event.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c index c1cf9c6c3f77..5d7a9c03903b 100644 --- a/arch/mips/kernel/perf_event.c +++ b/arch/mips/kernel/perf_event.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Linux performance counter support for MIPS. * @@ -8,13 +9,10 @@ * based on the sparc64 perf event code and the x86 code. Performance * counter access is based on the MIPS Oprofile code. And the callchain * support references the code of MIPS stacktrace.c. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/perf_event.h> +#include <linux/sched/task_stack.h> #include <asm/stacktrace.h> @@ -25,8 +23,8 @@ * the user stack callchains, we will add it here. */ -static void save_raw_perf_callchain(struct perf_callchain_entry *entry, - unsigned long reg29) +static void save_raw_perf_callchain(struct perf_callchain_entry_ctx *entry, + unsigned long reg29) { unsigned long *sp = (unsigned long *)reg29; unsigned long addr; @@ -35,14 +33,14 @@ 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 >= entry->max_stack) break; } } } -void perf_callchain_kernel(struct perf_callchain_entry *entry, - struct pt_regs *regs) +void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, + struct pt_regs *regs) { unsigned long sp = regs->regs[29]; #ifdef CONFIG_KALLSYMS @@ -59,7 +57,7 @@ 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 >= entry->max_stack) break; pc = unwind_stack(current, &sp, pc, &ra); } while (pc); |
