diff options
Diffstat (limited to 'kernel/trace/trace_nop.c')
| -rw-r--r-- | kernel/trace/trace_nop.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c index 394f94417e2f..50523f953a5d 100644 --- a/kernel/trace/trace_nop.c +++ b/kernel/trace/trace_nop.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * nop tracer * @@ -6,8 +7,6 @@ */ #include <linux/module.h> -#include <linux/fs.h> -#include <linux/debugfs.h> #include <linux/ftrace.h> #include "trace.h" @@ -58,11 +57,11 @@ static void nop_trace_reset(struct trace_array *tr) } /* It only serves as a signal handler and a callback to - * accept or refuse tthe setting of a flag. + * accept or refuse the setting of a flag. * If you don't implement it, then the flag setting will be * automatically accepted. */ -static int nop_set_flag(u32 old_flags, u32 bit, int set) +static int nop_set_flag(struct trace_array *tr, u32 old_flags, u32 bit, int set) { /* * Note that you don't need to update nop_flags.val yourself. @@ -77,7 +76,7 @@ static int nop_set_flag(u32 old_flags, u32 bit, int set) if (bit == TRACE_NOP_OPT_REFUSE) { printk(KERN_DEBUG "nop_test_refuse flag set to %d: we refuse." - "Now cat trace_options to see the result\n", + " Now cat trace_options to see the result\n", set); return -EINVAL; } @@ -91,11 +90,11 @@ struct tracer nop_trace __read_mostly = .name = "nop", .init = nop_trace_init, .reset = nop_trace_reset, - .wait_pipe = poll_wait_pipe, #ifdef CONFIG_FTRACE_SELFTEST .selftest = trace_selftest_startup_nop, #endif .flags = &nop_flags, - .set_flag = nop_set_flag + .set_flag = nop_set_flag, + .allow_instances = true, }; |