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Diffstat (limited to 'kernel/trace/trace_syscalls.c')
-rw-r--r--kernel/trace/trace_syscalls.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index ac0085777fbd..8fd03657bc7d 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -575,10 +575,6 @@ static void perf_syscall_enter(void *ignore, struct pt_regs *regs, long id)
575 size = ALIGN(size + sizeof(u32), sizeof(u64)); 575 size = ALIGN(size + sizeof(u32), sizeof(u64));
576 size -= sizeof(u32); 576 size -= sizeof(u32);
577 577
578 if (WARN_ONCE(size > PERF_MAX_TRACE_SIZE,
579 "perf buffer not large enough"))
580 return;
581
582 rec = (struct syscall_trace_enter *)perf_trace_buf_prepare(size, 578 rec = (struct syscall_trace_enter *)perf_trace_buf_prepare(size,
583 sys_data->enter_event->event.type, regs, &rctx); 579 sys_data->enter_event->event.type, regs, &rctx);
584 if (!rec) 580 if (!rec)
@@ -652,14 +648,6 @@ static void perf_syscall_exit(void *ignore, struct pt_regs *regs, long ret)
652 size = ALIGN(sizeof(*rec) + sizeof(u32), sizeof(u64)); 648 size = ALIGN(sizeof(*rec) + sizeof(u32), sizeof(u64));
653 size -= sizeof(u32); 649 size -= sizeof(u32);
654 650
655 /*
656 * Impossible, but be paranoid with the future
657 * How to put this check outside runtime?
658 */
659 if (WARN_ONCE(size > PERF_MAX_TRACE_SIZE,
660 "exit event has grown above perf buffer size"))
661 return;
662
663 rec = (struct syscall_trace_exit *)perf_trace_buf_prepare(size, 651 rec = (struct syscall_trace_exit *)perf_trace_buf_prepare(size,
664 sys_data->exit_event->event.type, regs, &rctx); 652 sys_data->exit_event->event.type, regs, &rctx);
665 if (!rec) 653 if (!rec)