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[157.230.128.187]) by smtp.gmail.com with ESMTPSA id q189sm6758936pfc.112.2020.05.29.00.41.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 May 2020 00:41:12 -0700 (PDT) Received: by 42.do-not-panic.com (Postfix, from userid 1000) id 916034230A; Fri, 29 May 2020 07:41:10 +0000 (UTC) From: Luis Chamberlain To: keescook@chromium.org, yzaikin@google.com, nixiaoming@huawei.com, ebiederm@xmission.com, axboe@kernel.dk, clemens@ladisch.de, arnd@arndb.de, gregkh@linuxfoundation.org, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, airlied@linux.ie, daniel@ffwll.ch, benh@kernel.crashing.org, rdna@fb.com, viro@zeniv.linux.org.uk, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, vbabka@suse.cz, sfr@canb.auug.org.au, jack@suse.cz, amir73il@gmail.com, rafael@kernel.org, tytso@mit.edu Subject: [PATCH 04/13] i915: use new sysctl subdir helper register_sysctl_subdir() Date: Fri, 29 May 2020 07:40:59 +0000 Message-Id: <20200529074108.16928-5-mcgrof@kernel.org> X-Mailer: git-send-email 2.23.0.rc1 In-Reply-To: <20200529074108.16928-1-mcgrof@kernel.org> References: <20200529074108.16928-1-mcgrof@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, julia.lawall@lip6.fr, Luis Chamberlain , akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org, ocfs2-devel@oss.oracle.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This simplifies the code considerably. The following coccinelle SmPL grammar rule was used to transform this code. // pycocci sysctl-subdir.cocci drivers/gpu/drm/i915/i915_perf.c @c1@ expression E1; identifier subdir, sysctls; @@ static struct ctl_table subdir[] = { { .procname = E1, .maxlen = 0, .mode = 0555, .child = sysctls, }, { } }; @c2@ identifier c1.subdir; expression E2; identifier base; @@ static struct ctl_table base[] = { { .procname = E2, .maxlen = 0, .mode = 0555, .child = subdir, }, { } }; @c3@ identifier c2.base; identifier header; @@ header = register_sysctl_table(base); @r1 depends on c1 && c2 && c3@ expression c1.E1; identifier c1.subdir, c1.sysctls; @@ -static struct ctl_table subdir[] = { - { - .procname = E1, - .maxlen = 0, - .mode = 0555, - .child = sysctls, - }, - { } -}; @r2 depends on c1 && c2 && c3@ identifier c1.subdir; expression c2.E2; identifier c2.base; @@ -static struct ctl_table base[] = { - { - .procname = E2, - .maxlen = 0, - .mode = 0555, - .child = subdir, - }, - { } -}; @r3 depends on c1 && c2 && c3@ expression c1.E1; identifier c1.sysctls; expression c2.E2; identifier c2.base; identifier c3.header; @@ header = -register_sysctl_table(base); +register_sysctl_subdir(E2, E1, sysctls); Generated-by: Coccinelle SmPL Signed-off-by: Luis Chamberlain --- drivers/gpu/drm/i915/i915_perf.c | 22 +--------------------- 1 file changed, 1 insertion(+), 21 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 665bb076e84d..52509b573794 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -4203,26 +4203,6 @@ static struct ctl_table oa_table[] = { {} }; -static struct ctl_table i915_root[] = { - { - .procname = "i915", - .maxlen = 0, - .mode = 0555, - .child = oa_table, - }, - {} -}; - -static struct ctl_table dev_root[] = { - { - .procname = "dev", - .maxlen = 0, - .mode = 0555, - .child = i915_root, - }, - {} -}; - /** * i915_perf_init - initialize i915-perf state on module bind * @i915: i915 device instance @@ -4383,7 +4363,7 @@ static int destroy_config(int id, void *p, void *data) void i915_perf_sysctl_register(void) { - sysctl_header = register_sysctl_table(dev_root); + sysctl_header = register_sysctl_subdir("dev", "i915", oa_table); } void i915_perf_sysctl_unregister(void) -- 2.26.2