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[73.78.62.130]) by smtp.googlemail.com with ESMTPSA id x3-20020a056602160300b006bba42f7822sm6408213iow.52.2022.12.05.16.35.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Dec 2022 16:35:02 -0800 (PST) From: Jim Cromie To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Cc: jani.nikula@intel.com, ville.syrjala@linux.intel.com, daniel.vetter@ffwll.ch, seanpaul@chromium.org, robdclark@gmail.com, jbaron@akamai.com, gregkh@linuxfoundation.org, Jim Cromie Subject: [RFC PATCH 06/17] dyndbg: dynamic_debug_init - use pointer inequality, not strcmp Date: Mon, 5 Dec 2022 17:34:13 -0700 Message-Id: <20221206003424.592078-7-jim.cromie@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221206003424.592078-1-jim.cromie@gmail.com> References: <20221206003424.592078-1-jim.cromie@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1751422859004178535?= X-GMAIL-MSGID: =?utf-8?q?1751422859004178535?= dynamic_debug_init() currently uses strcmp to find the module boundaries in the builtin _ddebug[] table. The table is filled by the linker; for its content, pointer inequality works, is faster, and communicates the data properties more tightly. Signed-off-by: Jim Cromie --- lib/dynamic_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 5d609ff0d559..a0dc681cd215 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -1410,7 +1410,7 @@ static int __init dynamic_debug_init(void) for (; iter < __stop___dyndbg; iter++, i++, mod_sites++) { - if (strcmp(modname, iter->modname)) { + if (modname != iter->modname) { mod_ct++; di.num_descs = mod_sites; di.descs = iter_mod_start;