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 X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7437AC76186 for ; Mon, 29 Jul 2019 22:02:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B5FF20C01 for ; Mon, 29 Jul 2019 22:02:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="LJri4FMz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730695AbfG2WCH (ORCPT ); Mon, 29 Jul 2019 18:02:07 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:38296 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389130AbfG2V6I (ORCPT ); Mon, 29 Jul 2019 17:58:08 -0400 Received: by mail-wr1-f68.google.com with SMTP id g17so63467155wrr.5 for ; Mon, 29 Jul 2019 14:58:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arista.com; s=googlenew; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=amUBabhq3iz84v9jP6ehP07nPslt2z15Me58KiIaa/4=; b=LJri4FMzy4HQ0VM0DQPPW9fj40lkur/5Za1ItvFtIU7eaTBZPFq44Eoa6mmIips5Gk E+I5BbWv35m7JfgdYW2YIXnE01x6i1a1cqJEo6svqmlg7IWp+HxDVJfwik99RJhCNEbK vq2/ZrOvPitowSDAdWJ77hsHIP/85qOgHyzX6Vz5TqGfl66zKfOmQPVXWTfIlHXHmbuB 394dxa6K6inBm+uFUKEo3NiNIJspoZjjM8ehqCmFJLT0pfmWuiSrbUN8ELfRM6j0jEdT nOcATeTHqbv9Ryfz99TplCsFVS/43U09U2Z1YLRXJPe7T0ksp3Jo8TPStOuoDWtr2e5q 2goQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=amUBabhq3iz84v9jP6ehP07nPslt2z15Me58KiIaa/4=; b=V6lMBMsJqTvnZBmKli7gThSUJgQXHH8AuO25/uz4wWUGR8Ht4bnVeQM4E7ddw4IwC2 q2CrWMY9GNdPdi5f6wM49FemIH6OE5ukPvhZCrOYyE6srbovWFch4ALMSCFUofuVqfVb 3qAB0BKx/5SvGcEQCZgI7VaFD/YlEg2bBQpTK7ElgjNNQRfKjnOB3Qo5pDPyb6x6YYSC Sf1JcGFlPK9aQ0OmyfrrZ2XQC5mEla75kj0ANGS00BKsc+5QtW+9v76w3N/bZvu89p2S GWfeDKBD63jVIeXvZKFi60Rm4iewgyZW9R+X62sJzDPuMhTXn7WP+6unN6dVXngYtiyU iOBA== X-Gm-Message-State: APjAAAWLY8mHXGNN4D0pWUSAXPyB/Fwwcp4ELXTJ+/kCh0JG1EQjON5o VTAAd1MXCfOWu2OCfWfBDYYaxv2OaikWwEVQoy+sk4P3B89WX9m+5e+gYEFciNBB4D+/Zd9SseF BlamK2epeNuSl3TTGiKN6pwATWA8RszsO5nhZs1wY8Qn+iznydFWS1Pd5FakJml4855SU0n1xEe MpgBTAlY2Fc2a+UXic6OpMwgbkgkoO4PfzstFS3E4= X-Google-Smtp-Source: APXvYqyxozA2mr3fe17f+EuMvS8RIX3rw+EgQ9JPU4utUy9w+dY5LwUmmBe6KwjsphCnvXX1xz+gTA== X-Received: by 2002:a5d:494d:: with SMTP id r13mr48531624wrs.152.1564437485761; Mon, 29 Jul 2019 14:58:05 -0700 (PDT) Received: from Mindolluin.ire.aristanetworks.com ([217.173.96.166]) by smtp.gmail.com with ESMTPSA id x20sm49230728wmc.1.2019.07.29.14.58.04 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 29 Jul 2019 14:58:05 -0700 (PDT) From: Dmitry Safonov To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Andrei Vagin , Dmitry Safonov , Adrian Reber , Andrei Vagin , Andy Lutomirski , Arnd Bergmann , Christian Brauner , Cyrill Gorcunov , "Eric W. Biederman" , "H. Peter Anvin" , Ingo Molnar , Jann Horn , Jeff Dike , Oleg Nesterov , Pavel Emelyanov , Shuah Khan , Thomas Gleixner , Vincenzo Frascino , containers@lists.linux-foundation.org, criu@openvz.org, linux-api@vger.kernel.org, x86@kernel.org Subject: [PATCHv5 04/37] posix-clocks: Rename *_clock_get() functions into *_clock_get_timespec() Date: Mon, 29 Jul 2019 22:56:46 +0100 Message-Id: <20190729215758.28405-5-dima@arista.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190729215758.28405-1-dima@arista.com> References: <20190729215758.28405-1-dima@arista.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CLOUD-SEC-AV-Info: arista,google_mail,monitor X-CLOUD-SEC-AV-Sent: true X-Gm-Spam: 0 X-Gm-Phishy: 0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrei Vagin The upcoming support for time namespaces requires to have access to: - The time in a task's time namespace for sys_clock_gettime() - The time in the root name space for common_timer_get() That adds a valid reason to finally implement a separate callback which returns the time in ktime_t format in (struct k_clock). As a preparation ground for introducing clock_get_ktime(), the original callback clock_get() was renamed into clock_get_timespec(). Reflect the renaming into callbacks realizations. Suggested-by: Thomas Gleixner Signed-off-by: Andrei Vagin Co-developed-by: Dmitry Safonov Signed-off-by: Dmitry Safonov --- kernel/time/alarmtimer.c | 6 +++--- kernel/time/posix-timers.c | 17 +++++++++-------- 2 files changed, 12 insertions(+), 11 deletions(-) diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index cada96fdc615..c191254f178b 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -644,13 +644,13 @@ static int alarm_clock_getres(const clockid_t which_clock, struct timespec64 *tp } /** - * alarm_clock_get - posix clock_get_timespec interface + * alarm_clock_get_timespec - posix clock_get_timespec interface * @which_clock: clockid * @tp: timespec to fill. * * Provides the underlying alarm base time. */ -static int alarm_clock_get(clockid_t which_clock, struct timespec64 *tp) +static int alarm_clock_get_timespec(clockid_t which_clock, struct timespec64 *tp) { struct alarm_base *base = &alarm_bases[clock2alarm(which_clock)]; @@ -824,7 +824,7 @@ static int alarm_timer_nsleep(const clockid_t which_clock, int flags, const struct k_clock alarm_clock = { .clock_getres = alarm_clock_getres, - .clock_get_timespec = alarm_clock_get, + .clock_get_timespec = alarm_clock_get_timespec, .timer_create = alarm_timer_create, .timer_set = common_timer_set, .timer_del = common_timer_del, diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index 6c9c0f2d2f1e..a71e43178a7d 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -165,7 +165,8 @@ static inline void unlock_timer(struct k_itimer *timr, unsigned long flags) } /* Get clock_realtime */ -static int posix_clock_realtime_get(clockid_t which_clock, struct timespec64 *tp) +static int +posix_clock_realtime_get_timespec(clockid_t which_clock, struct timespec64 *tp) { ktime_get_real_ts64(tp); return 0; @@ -187,7 +188,7 @@ static int posix_clock_realtime_adj(const clockid_t which_clock, /* * Get monotonic time for posix timers */ -static int posix_ktime_get_ts(clockid_t which_clock, struct timespec64 *tp) +static int posix_get_timespec(clockid_t which_clock, struct timespec64 *tp) { ktime_get_ts64(tp); return 0; @@ -222,13 +223,13 @@ static int posix_get_coarse_res(const clockid_t which_clock, struct timespec64 * return 0; } -static int posix_get_boottime(const clockid_t which_clock, struct timespec64 *tp) +static int posix_get_boottime_timespec(const clockid_t which_clock, struct timespec64 *tp) { ktime_get_boottime_ts64(tp); return 0; } -static int posix_get_tai(clockid_t which_clock, struct timespec64 *tp) +static int posix_get_tai_timespec(clockid_t which_clock, struct timespec64 *tp) { ktime_get_clocktai_ts64(tp); return 0; @@ -1226,7 +1227,7 @@ SYSCALL_DEFINE4(clock_nanosleep_time32, clockid_t, which_clock, int, flags, static const struct k_clock clock_realtime = { .clock_getres = posix_get_hrtimer_res, - .clock_get_timespec = posix_clock_realtime_get, + .clock_get_timespec = posix_clock_realtime_get_timespec, .clock_set = posix_clock_realtime_set, .clock_adj = posix_clock_realtime_adj, .nsleep = common_nsleep, @@ -1243,7 +1244,7 @@ static const struct k_clock clock_realtime = { static const struct k_clock clock_monotonic = { .clock_getres = posix_get_hrtimer_res, - .clock_get_timespec = posix_ktime_get_ts, + .clock_get_timespec = posix_get_timespec, .nsleep = common_nsleep, .timer_create = common_timer_create, .timer_set = common_timer_set, @@ -1273,7 +1274,7 @@ static const struct k_clock clock_monotonic_coarse = { static const struct k_clock clock_tai = { .clock_getres = posix_get_hrtimer_res, - .clock_get_timespec = posix_get_tai, + .clock_get_timespec = posix_get_tai_timespec, .nsleep = common_nsleep, .timer_create = common_timer_create, .timer_set = common_timer_set, @@ -1288,7 +1289,7 @@ static const struct k_clock clock_tai = { static const struct k_clock clock_boottime = { .clock_getres = posix_get_hrtimer_res, - .clock_get_timespec = posix_get_boottime, + .clock_get_timespec = posix_get_boottime_timespec, .nsleep = common_nsleep, .timer_create = common_timer_create, .timer_set = common_timer_set, -- 2.22.0