2023-10-09 07:01:48

by Lucy Mielke

[permalink] [raw]
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 <[email protected]>
---
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



2023-10-09 10:29:32

by Ingo Molnar

[permalink] [raw]
Subject: Re: [PATCH] perf/x86/intel/pt: Cleanup kernel-doc comments


* Lucy Mielke <[email protected]> wrote:

> 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!

Your updates look correct to me too, thanks!

Applied to tip:perf/core, for a v6.7 merge. I changed the title, because
these are not 'cleanups', but kernel-doc fixes for documentation annotation
bugs that generate incorrect/misleading documentation.

Thanks,

Ingo

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

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 <[email protected]>
AuthorDate: Mon, 09 Oct 2023 08:54:54 +02:00
Committer: Ingo Molnar <[email protected]>
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 <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
---
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.