From nobody Tue Dec 16 20:00:39 2025 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 5A87C1773A for ; Mon, 15 Jan 2024 14:38:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="iqQYd40g"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="jpYB6+8/" From: Anna-Maria Behnsen DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1705329483; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TrRJNa/4dVg7BTloDs+oOr0KGfNkWbg12FR3FDPf3kI=; b=iqQYd40g6jjZ8kvPdnidNQc8zqE5Zq5Oyd0ENex12OAECMGf7KJPZOxPlpgecMDOfNqmjp iSy92IYa4iyCzHf9wnuCjjdxhwFefVqTiZhARgqzAOiIsvFWKHCR6BK/KNe2vdP5Ua7sB1 vAXuf2/mj9R/MgJpjnqHHWbls4jIzdmidCZzDt3zJQFSV0knI5FtJFmMI3/Hii6OM9QZIy jvNw99w1eN8BfV4GjgNbYAjA/7fvkozUcKJa1qjp+T8O9TDalR84pVax7b9P/1FamlfGCe ma7GDWmdCIter2i5Q6ndvM5UikKP/QzDrf8+OcsFKhDYPIOPWSymcysUKyLXGg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1705329483; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TrRJNa/4dVg7BTloDs+oOr0KGfNkWbg12FR3FDPf3kI=; b=jpYB6+8/2KkjAvRHid8a5at40ByDrZXjwLFmJvXJPlY2UnGF/8Tkauw4/zFeqbbofToFQd OONQDpUIoneCDnBw== To: linux-kernel@vger.kernel.org Cc: Peter Zijlstra , John Stultz , Thomas Gleixner , Eric Dumazet , "Rafael J . Wysocki" , Arjan van de Ven , "Paul E . McKenney" , Frederic Weisbecker , Rik van Riel , Steven Rostedt , Sebastian Siewior , Giovanni Gherdovich , Lukasz Luba , "Gautham R . Shenoy" , Srinivas Pandruvada , K Prateek Nayak , Anna-Maria Behnsen Subject: [PATCH v10 02/20] timers: Split out get next timer interrupt Date: Mon, 15 Jan 2024 15:37:25 +0100 Message-Id: <20240115143743.27827-3-anna-maria@linutronix.de> In-Reply-To: <20240115143743.27827-1-anna-maria@linutronix.de> References: <20240115143743.27827-1-anna-maria@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Split out get_next_timer_interrupt() to be able to extend it and make it reusable for other call sites. No functional change. Signed-off-by: Anna-Maria Behnsen Reviewed-by: Frederic Weisbecker --- kernel/time/timer.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 5f21db4fa3ca..2aea55d53416 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -1911,15 +1911,7 @@ static u64 cmp_next_hrtimer_event(u64 basem, u64 exp= ires) return DIV_ROUND_UP_ULL(nextevt, TICK_NSEC) * TICK_NSEC; } =20 -/** - * get_next_timer_interrupt - return the time (clock mono) of the next tim= er - * @basej: base time jiffies - * @basem: base time clock monotonic - * - * Returns the tick aligned clock monotonic time of the next pending - * timer or KTIME_MAX if no timer is pending. - */ -u64 get_next_timer_interrupt(unsigned long basej, u64 basem) +static inline u64 __get_next_timer_interrupt(unsigned long basej, u64 base= m) { struct timer_base *base =3D this_cpu_ptr(&timer_bases[BASE_STD]); unsigned long nextevt =3D basej + NEXT_TIMER_MAX_DELTA; @@ -1978,6 +1970,19 @@ u64 get_next_timer_interrupt(unsigned long basej, u6= 4 basem) return cmp_next_hrtimer_event(basem, expires); } =20 +/** + * get_next_timer_interrupt() - return the time (clock mono) of the next t= imer + * @basej: base time jiffies + * @basem: base time clock monotonic + * + * Returns the tick aligned clock monotonic time of the next pending + * timer or KTIME_MAX if no timer is pending. + */ +u64 get_next_timer_interrupt(unsigned long basej, u64 basem) +{ + return __get_next_timer_interrupt(basej, basem); +} + /** * timer_clear_idle - Clear the idle state of the timer base * --=20 2.39.2