linux-kernel - [PATCH] perf/x86/intel/pt: Cleanup kernel-doc comments

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Date:   Mon, 9 Oct 2023 08:54:54 +0200
From:   Lucy Mielke <lucymielke@...oud.com>
To:     peterz@...radead.org, mingo@...hat.com, mark.rutland@....com,
        alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
        namhyung@...nel.org, irogers@...gle.com, adrian.hunter@...el.com,
        tglx@...utronix.de, bp@...en8.de, dave.hansen@...ux.intel.com,
        x86@...nel.org, hpa@...or.com
Cc:     linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] perf/x86/intel/pt: Cleanup kernel-doc comments

Some parameters or return codes were either wrong or missing, so I
cleaned it up to the best of my knowledge.

If anything I did was wrong, please let me know!

Signed-off-by: Lucy Mielke <lucymielke@...oud.com>
---
 arch/x86/events/intel/pt.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 42a55794004a..8e2a12235e62 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -736,6 +736,7 @@ 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.
  * @gfp:	Allocation flags.
  *
  * This initializes a list of ToPA tables with entries from
@@ -1207,8 +1208,11 @@ 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.
+ * @nr_pages:	No. of pages to allocate.
  * @gfp:	Allocation flags.
+ *
+ * Return:	0 on success or error code.
  */
 static int pt_buffer_init_topa(struct pt_buffer *buf, int cpu,
 			       unsigned long nr_pages, gfp_t gfp)
@@ -1281,7 +1285,7 @@ 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:	Performance 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.
-- 
2.41.0