Message ID | 20240221090548.36600-3-anna-maria@linutronix.de |
---|---|
State | New |
Headers |
Return-Path: <linux-kernel+bounces-74347-ouuuleilei=gmail.com@vger.kernel.org> Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:693c:2685:b0:108:e6aa:91d0 with SMTP id mn5csp918399dyc; Wed, 21 Feb 2024 01:07:40 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCWPmz1VhsrGKZvr/dqLNiYju56dUoNFnAd7I+P2Pub/ZaOnn3+voZWeGVFs9cgKu+9PPc8bqbflWNcaY01hdDcbnm4nVA== X-Google-Smtp-Source: AGHT+IHzpdT3EN2Gy402c8Zr5oP6GvKzjAAgg+oBq2+R5ukaZJxyDG/bUyDe0s6pjnFW6kFCb2HI X-Received: by 2002:a17:902:ea06:b0:1db:ed09:db97 with SMTP id s6-20020a170902ea0600b001dbed09db97mr10247023plg.6.1708506460058; Wed, 21 Feb 2024 01:07:40 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1708506460; cv=pass; d=google.com; s=arc-20160816; b=ztGNXDq7MNvadSJHLVP0LY0c1EIavOZV7rRfRsACDJO8Ik3/SX3X76NITzXOdQMxvx dZpTBvhsEOmEgRScAO9tX1GcT37BkuKoouz4Umf72k8IxVpLZk7Ya5+ItMUr04wFztPm J0M1oLso/L5l8juwXS67ijxh6uC1BtVAiS/P595vwb8lo9vCN63kCXxz492wON9/rtTQ NuPAm3yzjLWfu1ZKIX4u3/xf01kqGw8Ntvo9AQbY6ts0wtrMAkHVUZrbyeXgVfL4GFnR PFHlOizhGO/ZEFvdCk6NZ/rXANiFMU2s3jLb7YM0yxt6UrureN/HVKXhvX99hJcddq4n Pmrg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:dkim-signature:dkim-signature:from; bh=ZnbOpzCKzJr8GVlvDiuyFIftQ7kDyRb60zxIswiDeKE=; fh=N5fTIFf2i7nvF8Om7kdprA8Zy2dleTNav/f0ArIISzo=; b=jf7YG2LvXcjrRGGs19pcU6FcZf6lLpUTzXG4879gT9Y5ajyQQj8KL7IqHj2QQzIViU AsTE2olOUvxRtg5+IHwf1sOZ64tV8hOZbxn2lFVs5dX7XlMXwFyaeIlcIaPsvTd3JoNE EbV2gCC644TtSrUodhz7E9gc65Iu2oHOheYtjB7aLgtKwkD09+rMZzfB/ePSHsMApAgf vbNfJi6z20SEnSRyD0XiJJvoy1NT4ykZlCj6r3nkpOBi4PJfrUF2kHwBkT+bvYNavS1q jN0G3nkktFxc6YxKyWFc9HQ2oUnsTi5EWrAb+TIci2GXRG3upawHCaIKakUmk5UIPK5X JD1A==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=bW6c6uDK; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; arc=pass (i=1 spf=pass spfdomain=linutronix.de dkim=pass dkdomain=linutronix.de dmarc=pass fromdomain=linutronix.de); spf=pass (google.com: domain of linux-kernel+bounces-74347-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-74347-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [147.75.48.161]) by mx.google.com with ESMTPS id n12-20020a170902d2cc00b001d94c1d01besi7961232plc.276.2024.02.21.01.07.39 for <ouuuleilei@gmail.com> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Feb 2024 01:07:40 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-74347-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=bW6c6uDK; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; arc=pass (i=1 spf=pass spfdomain=linutronix.de dkim=pass dkdomain=linutronix.de dmarc=pass fromdomain=linutronix.de); spf=pass (google.com: domain of linux-kernel+bounces-74347-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-74347-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 8A3D4B22531 for <ouuuleilei@gmail.com>; Wed, 21 Feb 2024 09:07:15 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 53E9C3D98E; Wed, 21 Feb 2024 09:06:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="bW6c6uDK"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="NS4V0cz9" 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 9A58F3CF7C for <linux-kernel@vger.kernel.org>; Wed, 21 Feb 2024 09:06:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708506377; cv=none; b=JABC1poGEa3Mj0h6IWjHvYtQUDWUFsmwMTL/QKkQ8Z62gsCycSGQLFkbp4Y+YCG+zw0krU2IdASj8Q4AIxOZ6M3JW/O4LUaeh5miZd4JhcuacrXUOd7l7h8e+J9imP30sFKClF0YBd17c7Bo/lnNfLesgFJx4t0b8yQvW2x/NcA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708506377; c=relaxed/simple; bh=cx7W79/0JOWapdXA61gJNfkyrPTg/Tmal7MREy72obs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=hJtnK4S2PnqIMip9I5ZLMDkFjzkV2SRMwJtojivOexWGcvxMAS5VXtnxiunVEJQJ+gLzpn+ApnHvF/0wQ/6TgX8s5ljpdAaBImRBjkxWxRjn4KMc2sWX56N1lLw5sA0gSA2UDKjavxkFmco73QKZM009xJBde7/iEcWbgDPrZVk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=bW6c6uDK; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=NS4V0cz9; arc=none smtp.client-ip=193.142.43.55 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 From: Anna-Maria Behnsen <anna-maria@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1708506367; 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=ZnbOpzCKzJr8GVlvDiuyFIftQ7kDyRb60zxIswiDeKE=; b=bW6c6uDKTlx+T/vPLW1QjAk5/ewWlAA3hBGqgC9UyIcgRmbVKwt8YMB1ME9UbPI1X+adBZ bpZNeGpLBPsv8hISm32Ex5iKN1Us0mBVRcPt/s0dx9I2FAF2sRKwfWdnHTKadaJu2Sq9MQ NU8svm0LqSj+jtzDp3/Nr5a9zdBYsuQ9JqvFk/98VfqLWmOAelKS1Cylt8SQP01uAHuRhy 6le2M5D/nGeoo9tZltDBWE/OOfxfFEx6DR+/RPUKhgEjiSrGqt7PVbJRyxnd/AYwXTTZYG DmYgq/08QwA3BlV9qooRhwlLTMai0bsDEgRUf8BPorQNXpO8wWzuLkFsgc+7nw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1708506367; 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=ZnbOpzCKzJr8GVlvDiuyFIftQ7kDyRb60zxIswiDeKE=; b=NS4V0cz9P1b+jOQ8gLhCmi/ndTdsC5DQxDsMA7Yt/YaXthsygD5Ayo469VqNwBqmfIiZTO j4SdOyTl0bcTMUAQ== To: linux-kernel@vger.kernel.org Cc: Peter Zijlstra <peterz@infradead.org>, John Stultz <jstultz@google.com>, Thomas Gleixner <tglx@linutronix.de>, Eric Dumazet <edumazet@google.com>, "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>, Arjan van de Ven <arjan@infradead.org>, "Paul E . McKenney" <paulmck@kernel.org>, Frederic Weisbecker <frederic@kernel.org>, Rik van Riel <riel@surriel.com>, Steven Rostedt <rostedt@goodmis.org>, Sebastian Siewior <bigeasy@linutronix.de>, Giovanni Gherdovich <ggherdovich@suse.cz>, Lukasz Luba <lukasz.luba@arm.com>, "Gautham R . Shenoy" <gautham.shenoy@amd.com>, Srinivas Pandruvada <srinivas.pandruvada@intel.com>, K Prateek Nayak <kprateek.nayak@amd.com>, Christian Loehle <christian.loehle@arm.com>, Anna-Maria Behnsen <anna-maria@linutronix.de> Subject: [PATCH v11 02/20] timers: Split out get next timer interrupt Date: Wed, 21 Feb 2024 10:05:30 +0100 Message-Id: <20240221090548.36600-3-anna-maria@linutronix.de> In-Reply-To: <20240221090548.36600-1-anna-maria@linutronix.de> References: <20240221090548.36600-1-anna-maria@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: <linux-kernel.vger.kernel.org> List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791498869473328975 X-GMAIL-MSGID: 1791498869473328975 |
Series |
timers: Move from a push remote at enqueue to a pull at expiry model
|
|
Commit Message
Anna-Maria Behnsen
Feb. 21, 2024, 9:05 a.m. UTC
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 <anna-maria@linutronix.de> Reviewed-by: Frederic Weisbecker <frederic@kernel.org> --- 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 expires) return DIV_ROUND_UP_ULL(nextevt, TICK_NSEC) * TICK_NSEC; } -/** - * get_next_timer_interrupt - return the time (clock mono) of the next timer - * @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 basem) { struct timer_base *base = this_cpu_ptr(&timer_bases[BASE_STD]); unsigned long nextevt = basej + NEXT_TIMER_MAX_DELTA; @@ -1978,6 +1970,19 @@ u64 get_next_timer_interrupt(unsigned long basej, u64 basem) return cmp_next_hrtimer_event(basem, expires); } +/** + * get_next_timer_interrupt() - return the time (clock mono) of the next timer + * @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 *