From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6444C433E0 for ; Fri, 29 May 2020 07:41:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 84A6520810 for ; Fri, 29 May 2020 07:41:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590738097; bh=JPQWPDE/TFDKT6e4ySQoca+im2JdIAEs38ORW23QNdY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vPA0OOC0R0bGHe4CApbDqRDKyMnsh+aFrL5YeIa3fuAxvrsB9PE5JQ68Gks6O0IUx cGWG1P53KW95EsCijSzV7d3XzS/Jz6TGGA705KNreybfMwVHeuGDOXBD9SI0FOq3Vq KefmZ4xudSqyfIraQZz8aiqAaH4PSTCzaaxnuujk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726958AbgE2Hlg (ORCPT ); Fri, 29 May 2020 03:41:36 -0400 Received: from mail-pj1-f68.google.com ([209.85.216.68]:56179 "EHLO mail-pj1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726775AbgE2HlY (ORCPT ); Fri, 29 May 2020 03:41:24 -0400 Received: by mail-pj1-f68.google.com with SMTP id fs4so842147pjb.5 for ; Fri, 29 May 2020 00:41:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=OeMaeWf8ySHfvuEzWncwhX9a4D5s1xQoEDO3/r/aYzY=; b=bk/TwDkPhUwRTuDo1BiLCTnijOXGO7FgunHfSDR6T9o5XFzCWeA7KTBziazW5M1eJp ywCbN4o995uhzy6xHwoky9sMQCjNnW4BpRz2j3vFRg7WXbvp1XHHjHMn6OXRv4Gwyspb jC+6vkMka4Vi93FxxOvTPcLP9dyv1I2zoMm/xe2j9gn93T9f82D0Sh2J5wzwwE0q0x+w ICAbxI21yvedjSCi6/rNCMOyKbCciWOxUXGCOlXJ0ACcje/M65brUf1XsM/kqjTm0K6N AxQboNI6HnvwaRlqoqBQMByDCR7PRD3m5FDjGN3qrhACVriXQt48tTplkrIg2Hkos3/v Ga/Q== X-Gm-Message-State: AOAM531jxU7PlmDSd6rLh2a6+jGMjB1oygKvykeA74I3rnJqo/5D///r sS3j2b++kqtYU6eXkcfxyAU= X-Google-Smtp-Source: ABdhPJyZTqVeXpnC780yNsYcAysPbnmEI2o7s7rzYFo+LKi1oKtcOEgW9W/Zd68h1pyiVT90AxPOjw== X-Received: by 2002:a17:90a:2807:: with SMTP id e7mr7981405pjd.6.1590738083514; Fri, 29 May 2020 00:41:23 -0700 (PDT) Received: from 42.do-not-panic.com (42.do-not-panic.com. [157.230.128.187]) by smtp.gmail.com with ESMTPSA id jx10sm6903511pjb.46.2020.05.29.00.41.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 May 2020 00:41:16 -0700 (PDT) Received: by 42.do-not-panic.com (Postfix, from userid 1000) id DDE9C42376; 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 Cc: julia.lawall@lip6.fr, akpm@linux-foundation.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linuxppc-dev@lists.ozlabs.org, ocfs2-devel@oss.oracle.com, linux-kernel@vger.kernel.org, Luis Chamberlain Subject: [PATCH 09/13] firmware_loader: simplify sysctl declaration with register_sysctl_subdir() Date: Fri, 29 May 2020 07:41:04 +0000 Message-Id: <20200529074108.16928-10-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 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Xiaoming Ni Move the firmware config sysctl table to fallback_table.c and use the new register_sysctl_subdir() helper. This removes the clutter from kernel/sysctl.c. Signed-off-by: Xiaoming Ni Signed-off-by: Luis Chamberlain --- drivers/base/firmware_loader/fallback.c | 4 ++++ drivers/base/firmware_loader/fallback.h | 11 ++++++++++ drivers/base/firmware_loader/fallback_table.c | 22 +++++++++++++++++-- include/linux/sysctl.h | 1 - kernel/sysctl.c | 7 ------ 5 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index d9ac7296205e..8190653ae9a3 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -200,12 +200,16 @@ static struct class firmware_class = { int register_sysfs_loader(void) { + int ret = register_firmware_config_sysctl(); + if (ret != 0) + return ret; return class_register(&firmware_class); } void unregister_sysfs_loader(void) { class_unregister(&firmware_class); + unregister_firmware_config_sysctl(); } static ssize_t firmware_loading_show(struct device *dev, diff --git a/drivers/base/firmware_loader/fallback.h b/drivers/base/firmware_loader/fallback.h index 06f4577733a8..7d2cb5f6ceb8 100644 --- a/drivers/base/firmware_loader/fallback.h +++ b/drivers/base/firmware_loader/fallback.h @@ -42,6 +42,17 @@ void fw_fallback_set_default_timeout(void); int register_sysfs_loader(void); void unregister_sysfs_loader(void); +#ifdef CONFIG_SYSCTL +extern int register_firmware_config_sysctl(void); +extern void unregister_firmware_config_sysctl(void); +#else +static inline int register_firmware_config_sysctl(void) +{ + return 0; +} +static inline void unregister_firmware_config_sysctl(void) { } +#endif /* CONFIG_SYSCTL */ + #else /* CONFIG_FW_LOADER_USER_HELPER */ static inline int firmware_fallback_sysfs(struct firmware *fw, const char *name, struct device *device, diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c index 46a731dede6f..4234aa5ee5df 100644 --- a/drivers/base/firmware_loader/fallback_table.c +++ b/drivers/base/firmware_loader/fallback_table.c @@ -24,7 +24,7 @@ struct firmware_fallback_config fw_fallback_config = { EXPORT_SYMBOL_NS_GPL(fw_fallback_config, FIRMWARE_LOADER_PRIVATE); #ifdef CONFIG_SYSCTL -struct ctl_table firmware_config_table[] = { +static struct ctl_table firmware_config_table[] = { { .procname = "force_sysfs_fallback", .data = &fw_fallback_config.force_sysfs_fallback, @@ -45,4 +45,22 @@ struct ctl_table firmware_config_table[] = { }, { } }; -#endif + +static struct ctl_table_header *hdr; +int register_firmware_config_sysctl(void) +{ + if (hdr) + return -EEXIST; + hdr = register_sysctl_subdir("kernel", "firmware_config", + firmware_config_table); + if (!hdr) + return -ENOMEM; + return 0; +} + +void unregister_firmware_config_sysctl(void) +{ + if (hdr) + unregister_sysctl_table(hdr); +} +#endif /* CONFIG_SYSCTL */ diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 58bc978d4f03..aa01f54d0442 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -217,7 +217,6 @@ extern int no_unaligned_warning; extern struct ctl_table sysctl_mount_point[]; extern struct ctl_table random_table[]; -extern struct ctl_table firmware_config_table[]; extern struct ctl_table epoll_table[]; #else /* CONFIG_SYSCTL */ diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 30c2d521502a..e007375c8a11 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2088,13 +2088,6 @@ static struct ctl_table kern_table[] = { .mode = 0555, .child = usermodehelper_table, }, -#ifdef CONFIG_FW_LOADER_USER_HELPER - { - .procname = "firmware_config", - .mode = 0555, - .child = firmware_config_table, - }, -#endif { .procname = "overflowuid", .data = &overflowuid, -- 2.26.2 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luis Chamberlain Date: Fri, 29 May 2020 07:41:04 +0000 Subject: [Ocfs2-devel] [PATCH 09/13] firmware_loader: simplify sysctl declaration with register_sysctl_subdir() In-Reply-To: <20200529074108.16928-1-mcgrof@kernel.org> References: <20200529074108.16928-1-mcgrof@kernel.org> Message-ID: <20200529074108.16928-10-mcgrof@kernel.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 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 From: Xiaoming Ni Move the firmware config sysctl table to fallback_table.c and use the new register_sysctl_subdir() helper. This removes the clutter from kernel/sysctl.c. Signed-off-by: Xiaoming Ni Signed-off-by: Luis Chamberlain --- drivers/base/firmware_loader/fallback.c | 4 ++++ drivers/base/firmware_loader/fallback.h | 11 ++++++++++ drivers/base/firmware_loader/fallback_table.c | 22 +++++++++++++++++-- include/linux/sysctl.h | 1 - kernel/sysctl.c | 7 ------ 5 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index d9ac7296205e..8190653ae9a3 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -200,12 +200,16 @@ static struct class firmware_class = { int register_sysfs_loader(void) { + int ret = register_firmware_config_sysctl(); + if (ret != 0) + return ret; return class_register(&firmware_class); } void unregister_sysfs_loader(void) { class_unregister(&firmware_class); + unregister_firmware_config_sysctl(); } static ssize_t firmware_loading_show(struct device *dev, diff --git a/drivers/base/firmware_loader/fallback.h b/drivers/base/firmware_loader/fallback.h index 06f4577733a8..7d2cb5f6ceb8 100644 --- a/drivers/base/firmware_loader/fallback.h +++ b/drivers/base/firmware_loader/fallback.h @@ -42,6 +42,17 @@ void fw_fallback_set_default_timeout(void); int register_sysfs_loader(void); void unregister_sysfs_loader(void); +#ifdef CONFIG_SYSCTL +extern int register_firmware_config_sysctl(void); +extern void unregister_firmware_config_sysctl(void); +#else +static inline int register_firmware_config_sysctl(void) +{ + return 0; +} +static inline void unregister_firmware_config_sysctl(void) { } +#endif /* CONFIG_SYSCTL */ + #else /* CONFIG_FW_LOADER_USER_HELPER */ static inline int firmware_fallback_sysfs(struct firmware *fw, const char *name, struct device *device, diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c index 46a731dede6f..4234aa5ee5df 100644 --- a/drivers/base/firmware_loader/fallback_table.c +++ b/drivers/base/firmware_loader/fallback_table.c @@ -24,7 +24,7 @@ struct firmware_fallback_config fw_fallback_config = { EXPORT_SYMBOL_NS_GPL(fw_fallback_config, FIRMWARE_LOADER_PRIVATE); #ifdef CONFIG_SYSCTL -struct ctl_table firmware_config_table[] = { +static struct ctl_table firmware_config_table[] = { { .procname = "force_sysfs_fallback", .data = &fw_fallback_config.force_sysfs_fallback, @@ -45,4 +45,22 @@ struct ctl_table firmware_config_table[] = { }, { } }; -#endif + +static struct ctl_table_header *hdr; +int register_firmware_config_sysctl(void) +{ + if (hdr) + return -EEXIST; + hdr = register_sysctl_subdir("kernel", "firmware_config", + firmware_config_table); + if (!hdr) + return -ENOMEM; + return 0; +} + +void unregister_firmware_config_sysctl(void) +{ + if (hdr) + unregister_sysctl_table(hdr); +} +#endif /* CONFIG_SYSCTL */ diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 58bc978d4f03..aa01f54d0442 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -217,7 +217,6 @@ extern int no_unaligned_warning; extern struct ctl_table sysctl_mount_point[]; extern struct ctl_table random_table[]; -extern struct ctl_table firmware_config_table[]; extern struct ctl_table epoll_table[]; #else /* CONFIG_SYSCTL */ diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 30c2d521502a..e007375c8a11 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2088,13 +2088,6 @@ static struct ctl_table kern_table[] = { .mode = 0555, .child = usermodehelper_table, }, -#ifdef CONFIG_FW_LOADER_USER_HELPER - { - .procname = "firmware_config", - .mode = 0555, - .child = firmware_config_table, - }, -#endif { .procname = "overflowuid", .data = &overflowuid, -- 2.26.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E8B3C433E0 for ; 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[157.230.128.187]) by smtp.gmail.com with ESMTPSA id jx10sm6903511pjb.46.2020.05.29.00.41.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 May 2020 00:41:16 -0700 (PDT) Received: by 42.do-not-panic.com (Postfix, from userid 1000) id DDE9C42376; 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 09/13] firmware_loader: simplify sysctl declaration with register_sysctl_subdir() Date: Fri, 29 May 2020 07:41:04 +0000 Message-Id: <20200529074108.16928-10-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" From: Xiaoming Ni Move the firmware config sysctl table to fallback_table.c and use the new register_sysctl_subdir() helper. This removes the clutter from kernel/sysctl.c. Signed-off-by: Xiaoming Ni Signed-off-by: Luis Chamberlain --- drivers/base/firmware_loader/fallback.c | 4 ++++ drivers/base/firmware_loader/fallback.h | 11 ++++++++++ drivers/base/firmware_loader/fallback_table.c | 22 +++++++++++++++++-- include/linux/sysctl.h | 1 - kernel/sysctl.c | 7 ------ 5 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index d9ac7296205e..8190653ae9a3 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -200,12 +200,16 @@ static struct class firmware_class = { int register_sysfs_loader(void) { + int ret = register_firmware_config_sysctl(); + if (ret != 0) + return ret; return class_register(&firmware_class); } void unregister_sysfs_loader(void) { class_unregister(&firmware_class); + unregister_firmware_config_sysctl(); } static ssize_t firmware_loading_show(struct device *dev, diff --git a/drivers/base/firmware_loader/fallback.h b/drivers/base/firmware_loader/fallback.h index 06f4577733a8..7d2cb5f6ceb8 100644 --- a/drivers/base/firmware_loader/fallback.h +++ b/drivers/base/firmware_loader/fallback.h @@ -42,6 +42,17 @@ void fw_fallback_set_default_timeout(void); int register_sysfs_loader(void); void unregister_sysfs_loader(void); +#ifdef CONFIG_SYSCTL +extern int register_firmware_config_sysctl(void); +extern void unregister_firmware_config_sysctl(void); +#else +static inline int register_firmware_config_sysctl(void) +{ + return 0; +} +static inline void unregister_firmware_config_sysctl(void) { } +#endif /* CONFIG_SYSCTL */ + #else /* CONFIG_FW_LOADER_USER_HELPER */ static inline int firmware_fallback_sysfs(struct firmware *fw, const char *name, struct device *device, diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c index 46a731dede6f..4234aa5ee5df 100644 --- a/drivers/base/firmware_loader/fallback_table.c +++ b/drivers/base/firmware_loader/fallback_table.c @@ -24,7 +24,7 @@ struct firmware_fallback_config fw_fallback_config = { EXPORT_SYMBOL_NS_GPL(fw_fallback_config, FIRMWARE_LOADER_PRIVATE); #ifdef CONFIG_SYSCTL -struct ctl_table firmware_config_table[] = { +static struct ctl_table firmware_config_table[] = { { .procname = "force_sysfs_fallback", .data = &fw_fallback_config.force_sysfs_fallback, @@ -45,4 +45,22 @@ struct ctl_table firmware_config_table[] = { }, { } }; -#endif + +static struct ctl_table_header *hdr; +int register_firmware_config_sysctl(void) +{ + if (hdr) + return -EEXIST; + hdr = register_sysctl_subdir("kernel", "firmware_config", + firmware_config_table); + if (!hdr) + return -ENOMEM; + return 0; +} + +void unregister_firmware_config_sysctl(void) +{ + if (hdr) + unregister_sysctl_table(hdr); +} +#endif /* CONFIG_SYSCTL */ diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 58bc978d4f03..aa01f54d0442 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -217,7 +217,6 @@ extern int no_unaligned_warning; extern struct ctl_table sysctl_mount_point[]; extern struct ctl_table random_table[]; -extern struct ctl_table firmware_config_table[]; extern struct ctl_table epoll_table[]; #else /* CONFIG_SYSCTL */ diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 30c2d521502a..e007375c8a11 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2088,13 +2088,6 @@ static struct ctl_table kern_table[] = { .mode = 0555, .child = usermodehelper_table, }, -#ifdef CONFIG_FW_LOADER_USER_HELPER - { - .procname = "firmware_config", - .mode = 0555, - .child = firmware_config_table, - }, -#endif { .procname = "overflowuid", .data = &overflowuid, -- 2.26.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B659FC433E6 for ; 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[157.230.128.187]) by smtp.gmail.com with ESMTPSA id jx10sm6903511pjb.46.2020.05.29.00.41.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 May 2020 00:41:16 -0700 (PDT) Received: by 42.do-not-panic.com (Postfix, from userid 1000) id DDE9C42376; 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 09/13] firmware_loader: simplify sysctl declaration with register_sysctl_subdir() Date: Fri, 29 May 2020 07:41:04 +0000 Message-Id: <20200529074108.16928-10-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 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Xiaoming Ni Move the firmware config sysctl table to fallback_table.c and use the new register_sysctl_subdir() helper. This removes the clutter from kernel/sysctl.c. Signed-off-by: Xiaoming Ni Signed-off-by: Luis Chamberlain --- drivers/base/firmware_loader/fallback.c | 4 ++++ drivers/base/firmware_loader/fallback.h | 11 ++++++++++ drivers/base/firmware_loader/fallback_table.c | 22 +++++++++++++++++-- include/linux/sysctl.h | 1 - kernel/sysctl.c | 7 ------ 5 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index d9ac7296205e..8190653ae9a3 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -200,12 +200,16 @@ static struct class firmware_class = { int register_sysfs_loader(void) { + int ret = register_firmware_config_sysctl(); + if (ret != 0) + return ret; return class_register(&firmware_class); } void unregister_sysfs_loader(void) { class_unregister(&firmware_class); + unregister_firmware_config_sysctl(); } static ssize_t firmware_loading_show(struct device *dev, diff --git a/drivers/base/firmware_loader/fallback.h b/drivers/base/firmware_loader/fallback.h index 06f4577733a8..7d2cb5f6ceb8 100644 --- a/drivers/base/firmware_loader/fallback.h +++ b/drivers/base/firmware_loader/fallback.h @@ -42,6 +42,17 @@ void fw_fallback_set_default_timeout(void); int register_sysfs_loader(void); void unregister_sysfs_loader(void); +#ifdef CONFIG_SYSCTL +extern int register_firmware_config_sysctl(void); +extern void unregister_firmware_config_sysctl(void); +#else +static inline int register_firmware_config_sysctl(void) +{ + return 0; +} +static inline void unregister_firmware_config_sysctl(void) { } +#endif /* CONFIG_SYSCTL */ + #else /* CONFIG_FW_LOADER_USER_HELPER */ static inline int firmware_fallback_sysfs(struct firmware *fw, const char *name, struct device *device, diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c index 46a731dede6f..4234aa5ee5df 100644 --- a/drivers/base/firmware_loader/fallback_table.c +++ b/drivers/base/firmware_loader/fallback_table.c @@ -24,7 +24,7 @@ struct firmware_fallback_config fw_fallback_config = { EXPORT_SYMBOL_NS_GPL(fw_fallback_config, FIRMWARE_LOADER_PRIVATE); #ifdef CONFIG_SYSCTL -struct ctl_table firmware_config_table[] = { +static struct ctl_table firmware_config_table[] = { { .procname = "force_sysfs_fallback", .data = &fw_fallback_config.force_sysfs_fallback, @@ -45,4 +45,22 @@ struct ctl_table firmware_config_table[] = { }, { } }; -#endif + +static struct ctl_table_header *hdr; +int register_firmware_config_sysctl(void) +{ + if (hdr) + return -EEXIST; + hdr = register_sysctl_subdir("kernel", "firmware_config", + firmware_config_table); + if (!hdr) + return -ENOMEM; + return 0; +} + +void unregister_firmware_config_sysctl(void) +{ + if (hdr) + unregister_sysctl_table(hdr); +} +#endif /* CONFIG_SYSCTL */ diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 58bc978d4f03..aa01f54d0442 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -217,7 +217,6 @@ extern int no_unaligned_warning; extern struct ctl_table sysctl_mount_point[]; extern struct ctl_table random_table[]; -extern struct ctl_table firmware_config_table[]; extern struct ctl_table epoll_table[]; #else /* CONFIG_SYSCTL */ diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 30c2d521502a..e007375c8a11 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2088,13 +2088,6 @@ static struct ctl_table kern_table[] = { .mode = 0555, .child = usermodehelper_table, }, -#ifdef CONFIG_FW_LOADER_USER_HELPER - { - .procname = "firmware_config", - .mode = 0555, - .child = firmware_config_table, - }, -#endif { .procname = "overflowuid", .data = &overflowuid, -- 2.26.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9386BC433E0 for ; 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[157.230.128.187]) by smtp.gmail.com with ESMTPSA id jx10sm6903511pjb.46.2020.05.29.00.41.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 May 2020 00:41:16 -0700 (PDT) Received: by 42.do-not-panic.com (Postfix, from userid 1000) id DDE9C42376; 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 Date: Fri, 29 May 2020 07:41:04 +0000 Message-Id: <20200529074108.16928-10-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 Subject: [Intel-gfx] [PATCH 09/13] firmware_loader: simplify sysctl declaration with register_sysctl_subdir() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Xiaoming Ni Move the firmware config sysctl table to fallback_table.c and use the new register_sysctl_subdir() helper. This removes the clutter from kernel/sysctl.c. Signed-off-by: Xiaoming Ni Signed-off-by: Luis Chamberlain --- drivers/base/firmware_loader/fallback.c | 4 ++++ drivers/base/firmware_loader/fallback.h | 11 ++++++++++ drivers/base/firmware_loader/fallback_table.c | 22 +++++++++++++++++-- include/linux/sysctl.h | 1 - kernel/sysctl.c | 7 ------ 5 files changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index d9ac7296205e..8190653ae9a3 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -200,12 +200,16 @@ static struct class firmware_class = { int register_sysfs_loader(void) { + int ret = register_firmware_config_sysctl(); + if (ret != 0) + return ret; return class_register(&firmware_class); } void unregister_sysfs_loader(void) { class_unregister(&firmware_class); + unregister_firmware_config_sysctl(); } static ssize_t firmware_loading_show(struct device *dev, diff --git a/drivers/base/firmware_loader/fallback.h b/drivers/base/firmware_loader/fallback.h index 06f4577733a8..7d2cb5f6ceb8 100644 --- a/drivers/base/firmware_loader/fallback.h +++ b/drivers/base/firmware_loader/fallback.h @@ -42,6 +42,17 @@ void fw_fallback_set_default_timeout(void); int register_sysfs_loader(void); void unregister_sysfs_loader(void); +#ifdef CONFIG_SYSCTL +extern int register_firmware_config_sysctl(void); +extern void unregister_firmware_config_sysctl(void); +#else +static inline int register_firmware_config_sysctl(void) +{ + return 0; +} +static inline void unregister_firmware_config_sysctl(void) { } +#endif /* CONFIG_SYSCTL */ + #else /* CONFIG_FW_LOADER_USER_HELPER */ static inline int firmware_fallback_sysfs(struct firmware *fw, const char *name, struct device *device, diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c index 46a731dede6f..4234aa5ee5df 100644 --- a/drivers/base/firmware_loader/fallback_table.c +++ b/drivers/base/firmware_loader/fallback_table.c @@ -24,7 +24,7 @@ struct firmware_fallback_config fw_fallback_config = { EXPORT_SYMBOL_NS_GPL(fw_fallback_config, FIRMWARE_LOADER_PRIVATE); #ifdef CONFIG_SYSCTL -struct ctl_table firmware_config_table[] = { +static struct ctl_table firmware_config_table[] = { { .procname = "force_sysfs_fallback", .data = &fw_fallback_config.force_sysfs_fallback, @@ -45,4 +45,22 @@ struct ctl_table firmware_config_table[] = { }, { } }; -#endif + +static struct ctl_table_header *hdr; +int register_firmware_config_sysctl(void) +{ + if (hdr) + return -EEXIST; + hdr = register_sysctl_subdir("kernel", "firmware_config", + firmware_config_table); + if (!hdr) + return -ENOMEM; + return 0; +} + +void unregister_firmware_config_sysctl(void) +{ + if (hdr) + unregister_sysctl_table(hdr); +} +#endif /* CONFIG_SYSCTL */ diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 58bc978d4f03..aa01f54d0442 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -217,7 +217,6 @@ extern int no_unaligned_warning; extern struct ctl_table sysctl_mount_point[]; extern struct ctl_table random_table[]; -extern struct ctl_table firmware_config_table[]; extern struct ctl_table epoll_table[]; #else /* CONFIG_SYSCTL */ diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 30c2d521502a..e007375c8a11 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2088,13 +2088,6 @@ static struct ctl_table kern_table[] = { .mode = 0555, .child = usermodehelper_table, }, -#ifdef CONFIG_FW_LOADER_USER_HELPER - { - .procname = "firmware_config", - .mode = 0555, - .child = firmware_config_table, - }, -#endif { .procname = "overflowuid", .data = &overflowuid, -- 2.26.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx