From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756070Ab1KOEIG (ORCPT ); Mon, 14 Nov 2011 23:08:06 -0500 Received: from e9.ny.us.ibm.com ([32.97.182.139]:46496 "EHLO e9.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755766Ab1KOEEX (ORCPT ); Mon, 14 Nov 2011 23:04:23 -0500 From: John Stultz To: LKML Cc: John Stultz , Thomas Gleixner , Eric Dumazet , Richard Cochran Subject: [PATCH 04/16] time: Move raw_time into timekeeper structure Date: Mon, 14 Nov 2011 20:03:54 -0800 Message-Id: <1321329846-14755-5-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 1.7.3.2.146.gca209 In-Reply-To: <1321329846-14755-1-git-send-email-john.stultz@linaro.org> References: <1321329846-14755-1-git-send-email-john.stultz@linaro.org> x-cbid: 11111504-7182-0000-0000-00000030B807 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In preparation for locking cleanups, move raw_time into timekeeper structure. CC: Thomas Gleixner CC: Eric Dumazet CC: Richard Cochran Signed-off-by: John Stultz --- kernel/time/timekeeping.c | 23 ++++++++++------------- 1 files changed, 10 insertions(+), 13 deletions(-) diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 6c64931..19d160a 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -67,7 +67,8 @@ struct timekeeper { struct timespec wall_to_monotonic; /* time spent in suspend */ struct timespec total_sleep_time; - + /* The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. */ + struct timespec raw_time; }; static struct timekeeper timekeeper; @@ -164,10 +165,6 @@ __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock); -/* - * The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. - */ -static struct timespec raw_time; /* flag for if timekeeping is suspended */ int __read_mostly timekeeping_suspended; @@ -208,7 +205,7 @@ static void timekeeping_forward_now(void) timespec_add_ns(&timekeeper.xtime, nsec); nsec = clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift); - timespec_add_ns(&raw_time, nsec); + timespec_add_ns(&timekeeper.raw_time, nsec); } /** @@ -316,7 +313,7 @@ void getnstime_raw_and_real(struct timespec *ts_raw, struct timespec *ts_real) seq = read_seqbegin(&xtime_lock); - *ts_raw = raw_time; + *ts_raw = timekeeper.raw_time; *ts_real = timekeeper.xtime; nsecs_raw = timekeeping_get_ns_raw(); @@ -495,7 +492,7 @@ void getrawmonotonic(struct timespec *ts) do { seq = read_seqbegin(&xtime_lock); nsecs = timekeeping_get_ns_raw(); - *ts = raw_time; + *ts = timekeeper.raw_time; } while (read_seqretry(&xtime_lock, seq)); @@ -586,8 +583,8 @@ void __init timekeeping_init(void) timekeeper.xtime.tv_sec = now.tv_sec; timekeeper.xtime.tv_nsec = now.tv_nsec; - raw_time.tv_sec = 0; - raw_time.tv_nsec = 0; + timekeeper.raw_time.tv_sec = 0; + timekeeper.raw_time.tv_nsec = 0; if (boot.tv_sec == 0 && boot.tv_nsec == 0) { boot.tv_sec = timekeeper.xtime.tv_sec; boot.tv_nsec = timekeeper.xtime.tv_nsec; @@ -868,13 +865,13 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift) /* Accumulate raw time */ raw_nsecs = timekeeper.raw_interval << shift; - raw_nsecs += raw_time.tv_nsec; + raw_nsecs += timekeeper.raw_time.tv_nsec; if (raw_nsecs >= NSEC_PER_SEC) { u64 raw_secs = raw_nsecs; raw_nsecs = do_div(raw_secs, NSEC_PER_SEC); - raw_time.tv_sec += raw_secs; + timekeeper.raw_time.tv_sec += raw_secs; } - raw_time.tv_nsec = raw_nsecs; + timekeeper.raw_time.tv_nsec = raw_nsecs; /* Accumulate error between NTP and clock interval */ timekeeper.ntp_error += tick_length << shift; -- 1.7.3.2.146.gca209