diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2024-04-18 13:10:20 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-04-18 13:12:24 -0700 |
| commit | 41e3ddb291b8578c5c3b44def9cf3892fbc51838 (patch) | |
| tree | fcca07ee3e511f97ed837aee324476e4ad3a8cd7 /kernel/trace | |
| parent | aa37f8916d20cf58437d507fc9599492a342b3cd (diff) | |
| parent | 7586c8501d090609c6eb1af6ba05e3ed68806c83 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Conflicts:
include/trace/events/rpcgss.h
386f4a737964 ("trace: events: cleanup deprecated strncpy uses")
a4833e3abae1 ("SUNRPC: Fix rpcgss_context trace event acceptor field")
Adjacent changes:
drivers/net/ethernet/intel/ice/ice_tc_lib.c
2cca35f5dd78 ("ice: Fix checking for unsupported keys on non-tunnel device")
784feaa65dfd ("ice: Add support for PFCP hardware offload in switchdev")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/Kconfig | 2 | ||||
| -rw-r--r-- | kernel/trace/ring_buffer.c | 6 | ||||
| -rw-r--r-- | kernel/trace/trace_events.c | 4 |
3 files changed, 8 insertions, 4 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 61c541c36596..47345bf1d4a9 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -965,7 +965,7 @@ config FTRACE_RECORD_RECURSION config FTRACE_RECORD_RECURSION_SIZE int "Max number of recursed functions to record" - default 128 + default 128 depends on FTRACE_RECORD_RECURSION help This defines the limit of number of functions that can be diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 25476ead681b..6511dc3a00da 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1393,7 +1393,6 @@ static void rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, old_write = local_add_return(RB_WRITE_INTCNT, &next_page->write); old_entries = local_add_return(RB_WRITE_INTCNT, &next_page->entries); - local_inc(&cpu_buffer->pages_touched); /* * Just make sure we have seen our old_write and synchronize * with any interrupts that come in. @@ -1430,8 +1429,9 @@ static void rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, */ local_set(&next_page->page->commit, 0); - /* Again, either we update tail_page or an interrupt does */ - (void)cmpxchg(&cpu_buffer->tail_page, tail_page, next_page); + /* Either we update tail_page or an interrupt does */ + if (try_cmpxchg(&cpu_buffer->tail_page, &tail_page, next_page)) + local_inc(&cpu_buffer->pages_touched); } } diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 7c364b87352e..52f75c36bbca 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1670,6 +1670,7 @@ static int trace_format_open(struct inode *inode, struct file *file) return 0; } +#ifdef CONFIG_PERF_EVENTS static ssize_t event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) { @@ -1684,6 +1685,7 @@ event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) return simple_read_from_buffer(ubuf, cnt, ppos, buf, len); } +#endif static ssize_t event_filter_read(struct file *filp, char __user *ubuf, size_t cnt, @@ -2152,10 +2154,12 @@ static const struct file_operations ftrace_event_format_fops = { .release = seq_release, }; +#ifdef CONFIG_PERF_EVENTS static const struct file_operations ftrace_event_id_fops = { .read = event_id_read, .llseek = default_llseek, }; +#endif static const struct file_operations ftrace_event_filter_fops = { .open = tracing_open_file_tr, |