From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753467AbaGPVHf (ORCPT ); Wed, 16 Jul 2014 17:07:35 -0400 Received: from www.linutronix.de ([62.245.132.108]:59914 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752513AbaGPVFU (ORCPT ); Wed, 16 Jul 2014 17:05:20 -0400 Message-Id: <20140716205057.302769279@linutronix.de> User-Agent: quilt/0.63-1 Date: Wed, 16 Jul 2014 21:05:18 -0000 From: Thomas Gleixner To: LKML Cc: John Stultz , Peter Zijlstra , Steven Rostedt , Mathieu Desnoyers Subject: [patch V2 60/64] timekeeping: Use tk_read_base as argument for timekeeping_get_ns() References: <20140716205018.175419210@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=timekeeping-change-get-ns-arg-to-tkr.patch X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org All the function needs is in the tk_read_base struct. No functional change for the current code, just a preparatory patch for the NMI safe accessor to clock monotonic which will use struct tk_read_base as well. Signed-off-by: Thomas Gleixner Cc: Steven Rostedt Cc: Peter Zijlstra Cc: Mathieu Desnoyers --- kernel/time/timekeeping.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) Index: tip/kernel/time/timekeeping.c =================================================================== --- tip.orig/kernel/time/timekeeping.c +++ tip/kernel/time/timekeeping.c @@ -173,19 +173,19 @@ u32 (*arch_gettimeoffset)(void) = defaul static inline u32 arch_gettimeoffset(void) { return 0; } #endif -static inline s64 timekeeping_get_ns(struct timekeeper *tk) +static inline s64 timekeeping_get_ns(struct tk_read_base *tkr) { cycle_t cycle_now, delta; s64 nsec; /* read clocksource: */ - cycle_now = tk->tkr.read(tk->tkr.clock); + cycle_now = tkr->read(tkr->clock); /* calculate the delta since the last update_wall_time: */ - delta = clocksource_delta(cycle_now, tk->tkr.cycle_last, tk->tkr.mask); + delta = clocksource_delta(cycle_now, tkr->cycle_last, tkr->mask); - nsec = delta * tk->tkr.mult + tk->tkr.xtime_nsec; - nsec >>= tk->tkr.shift; + nsec = delta * tkr->mult + tkr->xtime_nsec; + nsec >>= tkr->shift; /* If arch requires, add in get_arch_timeoffset() */ return nsec + arch_gettimeoffset(); @@ -372,7 +372,7 @@ int __getnstimeofday64(struct timespec64 seq = read_seqcount_begin(&tk_core.seq); ts->tv_sec = tk->xtime_sec; - nsecs = timekeeping_get_ns(tk); + nsecs = timekeeping_get_ns(&tk->tkr); } while (read_seqcount_retry(&tk_core.seq, seq)); @@ -413,7 +413,7 @@ ktime_t ktime_get(void) do { seq = read_seqcount_begin(&tk_core.seq); base = tk->tkr.base_mono; - nsecs = timekeeping_get_ns(tk); + nsecs = timekeeping_get_ns(&tk->tkr); } while (read_seqcount_retry(&tk_core.seq, seq)); @@ -439,7 +439,7 @@ ktime_t ktime_get_with_offset(enum tk_of do { seq = read_seqcount_begin(&tk_core.seq); base = ktime_add(tk->tkr.base_mono, *offset); - nsecs = timekeeping_get_ns(tk); + nsecs = timekeeping_get_ns(&tk->tkr); } while (read_seqcount_retry(&tk_core.seq, seq)); @@ -509,7 +509,7 @@ void ktime_get_ts64(struct timespec64 *t do { seq = read_seqcount_begin(&tk_core.seq); ts->tv_sec = tk->xtime_sec; - nsec = timekeeping_get_ns(tk); + nsec = timekeeping_get_ns(&tk->tkr); tomono = tk->wall_to_monotonic; } while (read_seqcount_retry(&tk_core.seq, seq)); @@ -547,7 +547,7 @@ void getnstime_raw_and_real(struct times ts_real->tv_nsec = 0; nsecs_raw = timekeeping_get_ns_raw(tk); - nsecs_real = timekeeping_get_ns(tk); + nsecs_real = timekeeping_get_ns(&tk->tkr); } while (read_seqcount_retry(&tk_core.seq, seq)); @@ -1624,7 +1624,7 @@ ktime_t ktime_get_update_offsets_now(kti seq = read_seqcount_begin(&tk_core.seq); base = tk->tkr.base_mono; - nsecs = timekeeping_get_ns(tk); + nsecs = timekeeping_get_ns(&tk->tkr); *offs_real = tk->offs_real; *offs_boot = tk->offs_boot;