[PATCH -next] perf/x86/intel/pt: fix doc warnings in pt.c

From: Baokun Li
Date: Sat Jun 05 2021 - 02:28:40 EST


Fixes the following W=1 kernel build warning(s):

arch/x86/events/intel/pt.c:729: warning: Function parameter or
member 'cpu' not described in 'topa_insert_pages'
arch/x86/events/intel/pt.c:1196: warning: Function parameter or
member 'cpu' not described in 'pt_buffer_init_topa'
arch/x86/events/intel/pt.c:1196: warning: Function parameter or
member 'nr_pages' not described in 'pt_buffer_init_topa'
arch/x86/events/intel/pt.c:1196: warning: Excess
function parameter 'size' description in 'pt_buffer_init_topa'
arch/x86/events/intel/pt.c:1269: warning: Function parameter or
member 'event' not described in 'pt_buffer_setup_aux'
arch/x86/events/intel/pt.c:1269: warning: Excess
function parameter 'cpu' description in 'pt_buffer_setup_aux'

Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>
---
arch/x86/events/intel/pt.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 915847655c06..035752429cea 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -718,6 +718,7 @@ static bool topa_table_full(struct topa *topa)
/**
* topa_insert_pages() - create a list of ToPA tables
* @buf: PT buffer being initialized.
+ * @cpu: Cpu on which to allocate, -1 means current.
* @gfp: Allocation flags.
*
* This initializes a list of ToPA tables with entries from
@@ -1188,7 +1189,8 @@ static void pt_buffer_fini_topa(struct pt_buffer *buf)
/**
* pt_buffer_init_topa() - initialize ToPA table for pt buffer
* @buf: PT buffer.
- * @size: Total size of all regions within this ToPA.
+ * @cpu: Cpu on which to allocate, -1 means current.
+ * @nr_pages: Number of pages in the buffer.
* @gfp: Allocation flags.
*/
static int pt_buffer_init_topa(struct pt_buffer *buf, int cpu,
@@ -1253,7 +1255,7 @@ static int pt_buffer_try_single(struct pt_buffer *buf, int nr_pages)

/**
* pt_buffer_setup_aux() - set up topa tables for a PT buffer
- * @cpu: Cpu on which to allocate, -1 means current.
+ * @event: The perf event.
* @pages: Array of pointers to buffer pages passed from perf core.
* @nr_pages: Number of pages in the buffer.
* @snapshot: If this is a snapshot/overwrite counter.
--
2.31.1