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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5A7E6C433FE for ; Mon, 31 Jan 2022 06:58:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357811AbiAaG6X (ORCPT ); Mon, 31 Jan 2022 01:58:23 -0500 Received: from smtpbg701.qq.com ([203.205.195.86]:33395 "EHLO smtpproxy21.qq.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1357820AbiAaG6U (ORCPT ); Mon, 31 Jan 2022 01:58:20 -0500 X-QQ-mid: bizesmtp6t1643612288td0m6dc0b Received: from localhost.localdomain (unknown [180.105.58.61]) by bizesmtp.qq.com (ESMTP) with id ; Mon, 31 Jan 2022 14:58:01 +0800 (CST) X-QQ-SSF: 01400000002000B0E000B00A0000000 X-QQ-FEAT: a4niRxydalGEIRaLD5i0kl2MyqHHO7oEJVHodigFOMYIBLiR/6UhuYxVQzOEQ vajdUbjtFqzaqpmBmLzcYP+6kFdRB/xTHKNAJ7dtKpv1OjT31Ktj1DU62RoHvQ6cCyM7XSg EwzQXGKOGVbHzrFHVqdkecOvnN6/bktjOKtHU8oh6sOQ8EqvW2U/VPY59NEmAhRioGPj1C8 QSQ0V7o8sLIyj4HlbGIWZ/ifjLeETtx+yBw/1Wd0bpACYmVul3YiBGYqJPDqWSQFLaZtRYb cmhZMNitd0+wU7bYCQX/s51mVmtjemUlyPO9gbbZGVgCZBf++X57nOWL94zALj/ZRJZk2d1 EbUXkkyj/8FdUqGnbk= X-QQ-GoodBg: 2 From: tangmeng To: tglx@linutronix.de, mcgrof@kernel.org, keescook@chromium.org, yzaikin@google.com, john.stultz@linaro.org, sboyd@kernel.org Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, tangmeng Subject: [PATCH v4] kernel/time: move timer sysctls to its own file Date: Mon, 31 Jan 2022 14:57:28 +0800 Message-Id: <20220131065728.6823-1-tangmeng@uniontech.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:uniontech.com:qybgforeign:qybgforeign7 X-QQ-Bgrelay: 1 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org This moves the kernel/timer/timer.c respective sysctls to its own file. Signed-off-by: tangmeng --- include/linux/timer.h | 4 ---- kernel/sysctl.c | 11 ----------- kernel/time/timer.c | 26 ++++++++++++++++++++++++-- 3 files changed, 24 insertions(+), 17 deletions(-) diff --git a/include/linux/timer.h b/include/linux/timer.h index fda13c9d1256..793b6b7c5a3e 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -198,10 +198,6 @@ extern enum hrtimer_restart it_real_fn(struct hrtimer *); #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) struct ctl_table; - -extern unsigned int sysctl_timer_migration; -int timer_migration_handler(struct ctl_table *table, int write, - void *buffer, size_t *lenp, loff_t *ppos); #endif unsigned long __round_jiffies(unsigned long j, int cpu); diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 5ae443b2882e..d6d133423e5d 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2292,17 +2292,6 @@ static struct ctl_table kern_table[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, -#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) - { - .procname = "timer_migration", - .data = &sysctl_timer_migration, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = timer_migration_handler, - .extra1 = SYSCTL_ZERO, - .extra2 = SYSCTL_ONE, - }, -#endif #ifdef CONFIG_BPF_SYSCALL { .procname = "unprivileged_bpf_disabled", diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 85f1021ad459..2d3f4295614b 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -44,6 +44,7 @@ #include #include #include +#include #include #include @@ -223,7 +224,7 @@ static void timer_update_keys(struct work_struct *work); static DECLARE_WORK(timer_update_work, timer_update_keys); #ifdef CONFIG_SMP -unsigned int sysctl_timer_migration = 1; +static unsigned int sysctl_timer_migration = 1; DEFINE_STATIC_KEY_FALSE(timers_migration_enabled); @@ -251,7 +252,8 @@ void timers_update_nohz(void) schedule_work(&timer_update_work); } -int timer_migration_handler(struct ctl_table *table, int write, +#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) +static int timer_migration_handler(struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos) { int ret; @@ -264,6 +266,26 @@ int timer_migration_handler(struct ctl_table *table, int write, return ret; } +static struct ctl_table timer_sysctl[] = { + { + .procname = "timer_migration", + .data = &sysctl_timer_migration, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = timer_migration_handler, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, + }, + {} +}; + +static int __init timer_sysctl_init(void) +{ + register_sysctl_init("kernel", timer_sysctl); + return 0; +} +__initcall(timer_sysctl_init); +#endif static inline bool is_timers_nohz_active(void) { return static_branch_unlikely(&timers_nohz_active); -- 2.20.1