{"id":2232085,"url":"http://patchwork.ozlabs.org/api/patches/2232085/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260502143237.23456-2-atrajeev@linux.ibm.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/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/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<20260502143237.23456-2-atrajeev@linux.ibm.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20260502143237.23456-2-atrajeev@linux.ibm.com/","date":"2026-05-02T14:32:37","name":"[V4,2/2] tools/perf: Add kernel-doc comment to auxtrace_record__init() function","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5c4964e4aea60cd6f06e9307f42db0e2e5bfd1c9","submitter":{"id":90290,"url":"http://patchwork.ozlabs.org/api/people/90290/?format=json","name":"Athira Rajeev","email":"atrajeev@linux.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260502143237.23456-2-atrajeev@linux.ibm.com/mbox/","series":[{"id":502532,"url":"http://patchwork.ozlabs.org/api/series/502532/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=502532","date":"2026-05-02T14:32:36","name":"[V4,1/2] powerpc tools perf: Initialize error code in auxtrace_record_init function","version":4,"mbox":"http://patchwork.ozlabs.org/series/502532/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2232085/comments/","check":"success","checks":"http://patchwork.ozlabs.org/api/patches/2232085/checks/","tags":{},"related":[],"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 V4 2/2] tools/perf: Add kernel-doc comment to\n auxtrace_record__init() function","Date":"Sat, 2 May 2026 20:02:37 +0530","Message-Id":"<20260502143237.23456-2-atrajeev@linux.ibm.com>","X-Mailer":"git-send-email 2.39.5 (Apple Git-154)","In-Reply-To":"<20260502143237.23456-1-atrajeev@linux.ibm.com>","References":"<20260502143237.23456-1-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-ORIG-GUID":"MxW92nbsoroDrGprQccOKyKqxuzsGpV7","X-Proofpoint-GUID":"KBfdaCVg5GSQbs2a1WcrKt-jkNjBG0TQ","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNTAyMDE0MSBTYWx0ZWRfXz8gZmUta0j1i\n IyrIw+Vr4UVii8l2rL3jtre9HuQilEgIx+kTRL5WS9ayxXX3/7VkQLQ/W6znry3ZVfQWcjHrjug\n GsvB3qg46TNRrEA7nASU/+5hlwcF1+uk3guVDbzD+Xjcqc31qM/jIXNTfUh5FH3c6UEktPpGXLE\n G3Gz1vTyqxMBgRqg9Vid2XAKVfNiRlupz3uSf0DeXVhLhJYCOxNl6w32wi10Q9YBlfNJ+97tv1X\n dLWBzoyQPmFlojw8Fuq82rKMnHQPsAPlz3x/y7FMGuiA0I6/fRye1lBugJ6UdSJzxcgWPLBG+fS\n szz0PyCiZj39Sw838wA7CCBJHdhy/Y/8emr0NkxLv3eElRRNTvVyOO/hQ9r/gjwR1NxJUkRw0BC\n HolHuntdD9ljxp72hkR0W2onN85iXSy3Ge+IuToRL3X3ZUxF8uxTImnS+rzdb/8GPkRZMvBn6yo\n 0eAprYvn2qHajDfRLiw==","X-Authority-Analysis":"v=2.4 cv=UbFhjqSN c=1 sm=1 tr=0 ts=69f60b18 cx=c_pps\n a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==: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:\nv3 -> v4:\nAddressed review comment from Sashiko:\nUpdate return value expectation for fail as\nnon zero return err code.\n\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..9e11cf4299b8 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 non-zero @err 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":["V4","2/2"]}