From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8DE4026388E; Tue, 11 Feb 2025 01:32:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739237554; cv=none; b=f10edjJmIJIUf6526e1Lol6cM04CpI57sE5B5s2gjVnZUGQA9+IOgS73KGI1dOmFx4LSUaNsyl/815HnSYrVJpCX6x5xvzrU4MT2CnrFyNN6BZOA1h5zBfu54D2smUG2NhllcT8YZB+m+d3X5ZStbo9PcAKqY/lWFMacXFDiWqc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739237554; c=relaxed/simple; bh=iJM/BkHOOiDUwVk/pi5I+xr39ipAd/ueIcBanvIMLsE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=QAOngI0qSAB/mW4z/pasa+4JAJGiUPmfwjV4DMOl9BgbVv79msAyn6Rn4yYYn7DMjIvDDfD1y2A+wH9tskrSyYnrAeUV7UvRfKKYr+0uje/ny6+iU8PDIRyPtLpdno8hATWa0zhuIXYgAgGb7v1D3NsIWhplJG5dFT7a5+Jce7s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cHLxqCtV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="cHLxqCtV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 04F3CC4CEE9; Tue, 11 Feb 2025 01:32:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739237554; bh=iJM/BkHOOiDUwVk/pi5I+xr39ipAd/ueIcBanvIMLsE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cHLxqCtVAaNUIbWW5/01oRo7zYRsrj9qc8jSofBThMtlA7i4W4bQ0JaYhARQ8Dk49 37iwiIlsvlt756zT9cRACri+XAF5L9LKU2eN/LroR3WgJXL9Dem8osO393mhe+uGFP BcUfO9J7LJSMSz5BiwCQaZJAIOYv7gyRY65qUUEJdieJNMmpTYNtGiHVxRawf14YQQ tCVrOgLHLQJvyUkWrFfefGQGrQ65CL4+z5xXBgVnPehFkftHsI2gLNeo9EbPAWGoWM hS5IxdipKC5neRbscrlJvEeuK7Yp75JCOKxiJtjmXMG2DUMii5HscsMPpbvoSs+pB8 SOgzgPADgQ3Hw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Andy Shevchenko , Thomas Gleixner , Sasha Levin , anna-maria@linutronix.de, frederic@kernel.org, nathan@kernel.org, llvm@lists.linux.dev Subject: [PATCH AUTOSEL 5.15 2/9] hrtimers: Mark is_migration_base() with __always_inline Date: Mon, 10 Feb 2025 20:32:23 -0500 Message-Id: <20250211013230.4098681-2-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250211013230.4098681-1-sashal@kernel.org> References: <20250211013230.4098681-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.178 Content-Transfer-Encoding: 8bit From: Andy Shevchenko [ Upstream commit 27af31e44949fa85550176520ef7086a0d00fd7b ] When is_migration_base() is unused, it prevents kernel builds with clang, `make W=1` and CONFIG_WERROR=y: kernel/time/hrtimer.c:156:20: error: unused function 'is_migration_base' [-Werror,-Wunused-function] 156 | static inline bool is_migration_base(struct hrtimer_clock_base *base) | ^~~~~~~~~~~~~~~~~ Fix this by marking it with __always_inline. [ tglx: Use __always_inline instead of __maybe_unused and move it into the usage sites conditional ] Signed-off-by: Andy Shevchenko Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/all/20250116160745.243358-1-andriy.shevchenko@linux.intel.com Signed-off-by: Sasha Levin --- kernel/time/hrtimer.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 9e91f69012a73..2e4b63f3c6dda 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -144,11 +144,6 @@ static struct hrtimer_cpu_base migration_cpu_base = { #define migration_base migration_cpu_base.clock_base[0] -static inline bool is_migration_base(struct hrtimer_clock_base *base) -{ - return base == &migration_base; -} - /* * We are using hashed locking: holding per_cpu(hrtimer_bases)[n].lock * means that all timers which are tied to this base via timer->base are @@ -273,11 +268,6 @@ switch_hrtimer_base(struct hrtimer *timer, struct hrtimer_clock_base *base, #else /* CONFIG_SMP */ -static inline bool is_migration_base(struct hrtimer_clock_base *base) -{ - return false; -} - static inline struct hrtimer_clock_base * lock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags) { @@ -1377,6 +1367,18 @@ static void hrtimer_sync_wait_running(struct hrtimer_cpu_base *cpu_base, } } +#ifdef CONFIG_SMP +static __always_inline bool is_migration_base(struct hrtimer_clock_base *base) +{ + return base == &migration_base; +} +#else +static __always_inline bool is_migration_base(struct hrtimer_clock_base *base) +{ + return false; +} +#endif + /* * This function is called on PREEMPT_RT kernels when the fast path * deletion of a timer failed because the timer callback function was -- 2.39.5