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Thu, 23 Sep 2021 07:10:22 -0700 (PDT) From: Pingfan Liu To: linux-kernel@vger.kernel.org Cc: Pingfan Liu , Petr Mladek , Andrew Morton , Wang Qing , "Peter Zijlstra (Intel)" , Santosh Sivaraj , linux-arm-kernel@lists.infradead.org Subject: [PATCHv2 1/4] kernel/watchdog: trival cleanups Date: Thu, 23 Sep 2021 22:09:48 +0800 Message-Id: <20210923140951.35902-2-kernelfans@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210923140951.35902-1-kernelfans@gmail.com> References: <20210923140951.35902-1-kernelfans@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210923_071024_838273_28771499 X-CRM114-Status: GOOD ( 12.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org No reference to WATCHDOG_DEFAULT, remove it. And nobody cares about the return value of watchdog_nmi_enable(), changing its prototype to void. Signed-off-by: Pingfan Liu Cc: Petr Mladek Cc: Andrew Morton Cc: Wang Qing Cc: "Peter Zijlstra (Intel)" Cc: Santosh Sivaraj Cc: linux-arm-kernel@lists.infradead.org To: linux-kernel@vger.kernel.org --- include/linux/nmi.h | 2 +- kernel/watchdog.c | 5 +---- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/include/linux/nmi.h b/include/linux/nmi.h index 750c7f395ca9..b7bcd63c36b4 100644 --- a/include/linux/nmi.h +++ b/include/linux/nmi.h @@ -119,7 +119,7 @@ static inline int hardlockup_detector_perf_init(void) { return 0; } void watchdog_nmi_stop(void); void watchdog_nmi_start(void); int watchdog_nmi_probe(void); -int watchdog_nmi_enable(unsigned int cpu); +void watchdog_nmi_enable(unsigned int cpu); void watchdog_nmi_disable(unsigned int cpu); /** diff --git a/kernel/watchdog.c b/kernel/watchdog.c index ad912511a0c0..6e6dd5f0bc3e 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -30,10 +30,8 @@ static DEFINE_MUTEX(watchdog_mutex); #if defined(CONFIG_HARDLOCKUP_DETECTOR) || defined(CONFIG_HAVE_NMI_WATCHDOG) -# define WATCHDOG_DEFAULT (SOFT_WATCHDOG_ENABLED | NMI_WATCHDOG_ENABLED) # define NMI_WATCHDOG_DEFAULT 1 #else -# define WATCHDOG_DEFAULT (SOFT_WATCHDOG_ENABLED) # define NMI_WATCHDOG_DEFAULT 0 #endif @@ -95,10 +93,9 @@ __setup("nmi_watchdog=", hardlockup_panic_setup); * softlockup watchdog start and stop. The arch must select the * SOFTLOCKUP_DETECTOR Kconfig. */ -int __weak watchdog_nmi_enable(unsigned int cpu) +void __weak watchdog_nmi_enable(unsigned int cpu) { hardlockup_detector_perf_enable(); - return 0; } void __weak watchdog_nmi_disable(unsigned int cpu) -- 2.31.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel