{"id":2232012,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2232012/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260502073924.99965-2-atrajeev@linux.ibm.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/1.1/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/"},"msgid":"<20260502073924.99965-2-atrajeev@linux.ibm.com>","date":"2026-05-02T07:39:24","name":"[V3,2/2] tools/perf: Add kernel-doc comment to auxtrace_record__init() function","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"95851428f9386919a3d7305581c0ee43d4ebd090","submitter":{"id":90290,"url":"http://patchwork.ozlabs.org/api/1.1/people/90290/?format=json","name":"Athira Rajeev","email":"atrajeev@linux.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260502073924.99965-2-atrajeev@linux.ibm.com/mbox/","series":[{"id":502514,"url":"http://patchwork.ozlabs.org/api/1.1/series/502514/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=502514","date":"2026-05-02T07:39:23","name":"[V3,1/2] powerpc tools perf: Initialize error code in auxtrace_record_init function","version":3,"mbox":"http://patchwork.ozlabs.org/series/502514/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2232012/comments/","check":"success","checks":"http://patchwork.ozlabs.org/api/patches/2232012/checks/","tags":{},"headers":{"Return-Path":"\n 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","To":"acme@kernel.org, jolsa@kernel.org, adrian.hunter@intel.com,\n mpetlan@redhat.com, tmricht@linux.ibm.com, maddy@linux.ibm.com,\n irogers@google.com, namhyung@kernel.org","Cc":"linux-perf-users@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,\n atrajeev@linux.ibm.com, hbathini@linux.vnet.ibm.com,\n Tejas.Manhas1@ibm.com, Tanushree.Shah@ibm.com, shivani@linux.ibm.com","Subject":"[PATCH V3 2/2] tools/perf: Add kernel-doc comment to\n auxtrace_record__init() function","Date":"Sat, 2 May 2026 13:09:24 +0530","Message-Id":"<20260502073924.99965-2-atrajeev@linux.ibm.com>","X-Mailer":"git-send-email 2.39.5 (Apple Git-154)","In-Reply-To":"<20260502073924.99965-1-atrajeev@linux.ibm.com>","References":"<20260502073924.99965-1-atrajeev@linux.ibm.com>","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-TM-AS-GCONF":"00","X-Proofpoint-Reinject":"loops=2 maxloops=12","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNTAyMDA3MyBTYWx0ZWRfX+wH46C5zpQqO\n Wn3Ga1v/a7pGVy6A6q9mFHKpm7B0pE6S/sShqC2ejeYuDiyjr9b47tOiieUOtRLZtesM83qMUGA\n wHAbq098C8tkuFqGHSX+SVm0Nv+OCA6lnAlFbJ63kxm3BCZ/yGmLpl2iYbSN21g2hcuwFKxDHm2\n enXLiTzP+BBbT4MtPVDebs7RD9CR1L+AiZRmAiNlHgU+ZQka3UjtbWg/15NHaSTctwNB9KSJIIk\n 1BS7Gs0vnhH17VZsHBWw0jYfWPhlaIYf3CG1RuaIpbMkX4Cubl7vC3DxMzibIAPcSn7RHFRmixF\n ZDVE4K/gy1+Em86UJj2pC+TvYHPc7qRyJ3TIFU+2yr0Mg8blbuStlSmRqUR/ZqT1tDUPfDDdKhx\n P5H0AOsR9NzAedq4AsMpwQlYQnIVMFperW872rrkbqreMKO3EOcyb0d4c9CbmUNGVOkEX4V0ybN\n IwAWqtg3gypYxdjMimg==","X-Proofpoint-ORIG-GUID":"u5c1YBMnXLrbHmRniOJgDvlWHoWX-Rdd","X-Proofpoint-GUID":"yK053_OTjNwlPlZPqNKECOGiKeJtBxs4","X-Authority-Analysis":"v=2.4 cv=W7UIkxWk c=1 sm=1 tr=0 ts=69f5aa42 cx=c_pps\n a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17\n 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documentation comment describing the parameters\nand return code for auxtrace_record__init() in util/auxtrace.c\n\nUsing \"struct evlist *evlist __maybe_unused\", gives below\nwarning with \"scripts/kernel-doc\".\n\n # ./scripts/kernel-doc -none tools/perf/util/auxtrace.c\n Warning: tools/perf/util/auxtrace.c:912 function parameter '__maybe_unused' not described in 'auxtrace_record__init'\n Warning: tools/perf/util/auxtrace.c:912 function parameter '__maybe_unused' not described in 'auxtrace_record__init'\n\nUpdated parameter as \"struct evlist __maybe_unused *evlist\"\nWith the change, there is no erros/warnings with kernel-doc\n\nSigned-off-by: Athira Rajeev \n---\nChangelog:\nv2 -> v3:\nAddressed review comment from Sashiko:\nUpdate return value expectation for success and fail\ncorrectly.\n\n tools/perf/util/auxtrace.c | 17 ++++++++++++++++-\n 1 file changed, 16 insertions(+), 1 deletion(-)","diff":"diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c\nindex a224687ffbc1..6aeccedc7f2d 100644\n--- a/tools/perf/util/auxtrace.c\n+++ b/tools/perf/util/auxtrace.c\n@@ -896,8 +896,23 @@ int auxtrace_parse_aux_action(struct evlist *evlist)\n \treturn 0;\n }\n \n+/**\n+ * auxtrace_record__init - Initialize an AUX area tracing record.\n+ * @evlist: The list of events to check for AUX area tracing event.\n+ * @err: Pointer to an integer to store return code.\n+ *\n+ * This function looks through the @evlist to determine which AUX area\n+ * tracing hardware is being used and initializes the auxtrace_record\n+ * structure.\n+ *\n+ * Return:\n+ * a) A pointer to the struct auxtrace_record on success.\n+ * b) NULL with @err = 0 if no AUX area tracing event is found/supported\n+ * (not considered an error).\n+ * c) NULL with @err < 0 on actual auxtrace_record__init failure.\n+ */\n struct auxtrace_record *__weak\n-auxtrace_record__init(struct evlist *evlist __maybe_unused, int *err)\n+auxtrace_record__init(struct evlist __maybe_unused *evlist, int *err)\n {\n \t*err = 0;\n \treturn NULL;\n","prefixes":["V3","2/2"]}