[tip: perf/core] perf/x86/intel/pt: Fix kernel-doc comments

[tip-bot2 for Lucy Mielke]

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     38cd5b6a875adc877681faf8e3ad47fdbd6eceb5
Gitweb:        https://git.kernel.org/tip/38cd5b6a875adc877681faf8e3ad47fdbd6eceb5
Author:        Lucy Mielke <lucymielke@xxxxxxxxxx>
AuthorDate:    Mon, 09 Oct 2023 08:54:54 +02:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Mon, 09 Oct 2023 12:26:22 +02:00

perf/x86/intel/pt: Fix kernel-doc comments

Some parameters or return codes were either wrong or missing,
update them.

Signed-off-by: Lucy Mielke <lucymielke@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/ZSOjQW3e2nJR4bAo@xxxxxxxxxxxxxxxx
---
 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 42a5579..8e2a122 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 @@ out:
 
 /**
  * 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.