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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B1CFAC54E64 for ; Mon, 25 Mar 2024 06:47:48 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=mfUhWkUy; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4V33Qq2yHFz3vkr for ; Mon, 25 Mar 2024 17:47:47 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=mfUhWkUy; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=intel.com (client-ip=192.198.163.9; helo=mgamail.intel.com; envelope-from=adrian.hunter@intel.com; receiver=lists.ozlabs.org) Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4V33Hm0kLRz3dTw for ; Mon, 25 Mar 2024 17:41:39 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711348900; x=1742884900; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=zboSVI3HgVZXbpDBNnsTotqgGm69H9hHwUY1hZ67rA8=; b=mfUhWkUyMP9Xfg6SaFC6zk+XyeA3ns6ZKJukCAUaqZsWa9mj1hCE8zgp ac9eSr3i3/wzULGdyjvQIQIgz5IYFKp323s7fXTlJWeQhh2iUQz6w/YpT q9//g/zzlB48+nzi6FQektW7q+FfZumzY/sxSm59ulTQM8zSe1TFiHfXh MTZ4KAL++RKAtfsOaSxbLucjmOaYLbiQZLMhUSNTVKS0toG3IBx2BHZ2n DnqKeQHf7A00bsoLVz+hhpgWIuJ13EfmdoJ3qjeS7sHskdzisko1lOGV7 x9q835ycblnDKY7miuT5zOIMhkjlhThtJcLtxW7ZguPhaNcwndsX8sx7v w==; X-IronPort-AV: E=McAfee;i="6600,9927,11023"; a="17065264" X-IronPort-AV: E=Sophos;i="6.07,152,1708416000"; d="scan'208";a="17065264" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2024 23:41:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,152,1708416000"; d="scan'208";a="38629609" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO ahunter-VirtualBox.home\044ger.corp.intel.com) ([10.251.211.155]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2024 23:41:31 -0700 From: Adrian Hunter To: Thomas Gleixner Subject: [PATCH V2 09/19] timekeeping: Move timekeeping helper functions Date: Mon, 25 Mar 2024 08:40:13 +0200 Message-Id: <20240325064023.2997-10-adrian.hunter@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240325064023.2997-1-adrian.hunter@intel.com> References: <20240325064023.2997-1-adrian.hunter@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Dave Hansen , John Stultz , "H. Peter Anvin" , Alexander Gordeev , Vincenzo Frascino , linux-s390@vger.kernel.org, Arnd Bergmann , x86@kernel.org, "Aneesh Kumar K.V" , Ingo Molnar , "Naveen N. Rao" , Christian Borntraeger , Vasily Gorbik , Heiko Carstens , Nicholas Piggin , Borislav Petkov , Andy Lutomirski , Bjorn Helgaas , Anna-Maria Behnsen , Stephen Boyd , Randy Dunlap , linux-kernel@vger.kernel.org, Sven Schnelle , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Move timekeeping helper functions to prepare for their reuse. Suggested-by: Thomas Gleixner Signed-off-by: Adrian Hunter --- kernel/time/timekeeping.c | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index b58dffc58a8f..3375f0a6400f 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -381,6 +381,23 @@ static inline u64 timekeeping_delta_to_ns(const struct tk_read_base *tkr, u64 de return nsec; } +static inline u64 timekeeping_cycles_to_ns(const struct tk_read_base *tkr, u64 cycles) +{ + u64 delta; + + /* calculate the delta since the last update_wall_time */ + delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask); + return timekeeping_delta_to_ns(tkr, delta); +} + +static __always_inline u64 fast_tk_get_delta_ns(struct tk_read_base *tkr) +{ + u64 delta, cycles = tk_clock_read(tkr); + + delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask); + return timekeeping_delta_to_ns(tkr, delta); +} + static inline u64 timekeeping_get_ns(const struct tk_read_base *tkr) { u64 delta; @@ -389,15 +406,6 @@ static inline u64 timekeeping_get_ns(const struct tk_read_base *tkr) return timekeeping_delta_to_ns(tkr, delta); } -static inline u64 timekeeping_cycles_to_ns(const struct tk_read_base *tkr, u64 cycles) -{ - u64 delta; - - /* calculate the delta since the last update_wall_time */ - delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask); - return timekeeping_delta_to_ns(tkr, delta); -} - /** * update_fast_timekeeper - Update the fast and NMI safe monotonic timekeeper. * @tkr: Timekeeping readout base from which we take the update @@ -431,14 +439,6 @@ static void update_fast_timekeeper(const struct tk_read_base *tkr, memcpy(base + 1, base, sizeof(*base)); } -static __always_inline u64 fast_tk_get_delta_ns(struct tk_read_base *tkr) -{ - u64 delta, cycles = tk_clock_read(tkr); - - delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask); - return timekeeping_delta_to_ns(tkr, delta); -} - static __always_inline u64 __ktime_get_fast_ns(struct tk_fast *tkf) { struct tk_read_base *tkr; -- 2.34.1