mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: John Stultz <johnstul@us.ibm.com>
To: LKML <linux-kernel@vger.kernel.org>
Cc: John Stultz <johnstul@us.ibm.com>,
	Paul Mackerras <paulus@samba.org>,
	Anton Blanchard <anton@samba.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH 05/11] powerpc: Cleanup xtime usage
Date: Tue, 13 Jul 2010 17:56:22 -0700	[thread overview]
Message-ID: <1279068988-21864-6-git-send-email-johnstul@us.ibm.com> (raw)
In-Reply-To: <1279068988-21864-5-git-send-email-johnstul@us.ibm.com>

This removes powerpc's direct xtime usage, allowing for further
generic timeekeping cleanups

Compiled but otherwise untested.

Cc: Paul Mackerras <paulus@samba.org>
Cc: Anton Blanchard <anton@samba.org>
Cc: Thomas Gleixner <tglx@linutronix.de>

Signed-off-by: John Stultz <johnstul@us.ibm.com>
---
 arch/powerpc/kernel/time.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 6fcd648..0711d60 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -864,9 +864,9 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
 	/* XXX this assumes clock->shift == 22 */
 	/* 4611686018 ~= 2^(20+64-22) / 1e9 */
 	new_tb_to_xs = (u64) mult * 4611686018ULL;
-	new_stamp_xsec = (u64) xtime.tv_nsec * XSEC_PER_SEC;
+	new_stamp_xsec = (u64) wall_time->tv_nsec * XSEC_PER_SEC;
 	do_div(new_stamp_xsec, 1000000000);
-	new_stamp_xsec += (u64) xtime.tv_sec * XSEC_PER_SEC;
+	new_stamp_xsec += (u64) wall_time->tv_sec * XSEC_PER_SEC;
 
 	/*
 	 * tb_update_count is used to allow the userspace gettimeofday code
@@ -884,7 +884,7 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
 	vdso_data->tb_to_xs = new_tb_to_xs;
 	vdso_data->wtom_clock_sec = wall_to_monotonic.tv_sec;
 	vdso_data->wtom_clock_nsec = wall_to_monotonic.tv_nsec;
-	vdso_data->stamp_xtime = xtime;
+	vdso_data->stamp_xtime = *wall_time;
 	smp_wmb();
 	++(vdso_data->tb_update_count);
 }
@@ -1093,7 +1093,7 @@ void __init time_init(void)
 	vdso_data->tb_orig_stamp = tb_last_jiffy;
 	vdso_data->tb_update_count = 0;
 	vdso_data->tb_ticks_per_sec = tb_ticks_per_sec;
-	vdso_data->stamp_xsec = (u64) xtime.tv_sec * XSEC_PER_SEC;
+	vdso_data->stamp_xsec = (u64) get_seconds() * XSEC_PER_SEC;
 	vdso_data->tb_to_xs = tb_to_xs;
 
 	write_sequnlock_irqrestore(&xtime_lock, flags);
-- 
1.6.0.4


  reply	other threads:[~2010-07-14  0:57 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-14  0:56 [PATCH 00/11] -tip Timekeeping changes for 2.6.36 John Stultz
2010-07-14  0:56 ` [PATCH 01/11] x86: Fix vtime/file timestamp inconsistencies John Stultz
2010-07-14  0:56   ` [PATCH 02/11] Implement timespec_add John Stultz
2010-07-14  0:56     ` [PATCH 03/11] time: Kill off CONFIG_GENERIC_TIME John Stultz
2010-07-14  0:56       ` [PATCH 04/11] powerpc: Simplify update_vsyscall John Stultz
2010-07-14  0:56         ` John Stultz [this message]
2010-07-14  0:56           ` [PATCH 06/11] Fix update_vsyscall to provide wall_to_monotonic offset John Stultz
2010-07-14  0:56             ` [PATCH 07/11] Convert um to use read_persistent_clock John Stultz
2010-07-14  0:56               ` [PATCH 08/11] Cleanup hrtimer.c's direct access to wall_to_monotonic John Stultz
2010-07-14  0:56                 ` [PATCH 09/11] Make xtime and wall_to_monotonic static John Stultz
2010-07-14  0:56                   ` [PATCH 10/11] Convert common x86 clocksources to use clocksource_register_hz/khz John Stultz
2010-07-14  0:56                     ` [PATCH 11/11] Add __clocksource_updatefreq_hz/khz methods John Stultz
2010-07-27 10:49                       ` [tip:timers/clocksource] clocksource: " tip-bot for John Stultz
2010-07-27 10:48                     ` [tip:timers/clocksource] x86: Convert common clocksources to use clocksource_register_hz/khz tip-bot for John Stultz
2010-07-27 10:48                   ` [tip:timers/clocksource] timekeeping: Make xtime and wall_to_monotonic static tip-bot for John Stultz
2010-07-27 10:48                 ` [tip:timers/clocksource] hrtimer: Cleanup direct access to wall_to_monotonic tip-bot for John Stultz
2010-07-27 10:47               ` [tip:timers/clocksource] um: Convert to use read_persistent_clock tip-bot for John Stultz
2010-07-27 10:47             ` [tip:timers/clocksource] timkeeping: Fix update_vsyscall to provide wall_to_monotonic offset tip-bot for John Stultz
2010-07-27 10:47           ` [tip:timers/clocksource] powerpc: Cleanup xtime usage tip-bot for John Stultz
2010-07-27 10:46         ` [tip:timers/clocksource] powerpc: Simplify update_vsyscall tip-bot for John Stultz
2010-07-27 23:41         ` [PATCH 04/11] " Paul Mackerras
2010-07-28  1:33           ` john stultz
2010-07-27 10:46       ` [tip:timers/clocksource] time: Kill off CONFIG_GENERIC_TIME tip-bot for John Stultz
2010-07-27 10:46     ` [tip:timers/clocksource] time: Implement timespec_add tip-bot for John Stultz
2010-07-14  2:40   ` [PATCH 01/11] x86: Fix vtime/file timestamp inconsistencies KOSAKI Motohiro
2010-07-14 16:19     ` john stultz
2010-07-15  1:51       ` KOSAKI Motohiro
2010-07-15  2:46         ` john stultz
2010-07-15  4:41           ` KOSAKI Motohiro
2010-07-15 19:30             ` john stultz
2010-07-15  2:51         ` john stultz
2010-07-15  4:41           ` KOSAKI Motohiro
2010-07-27 10:45   ` [tip:timers/clocksource] " tip-bot for John Stultz

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1279068988-21864-6-git-send-email-johnstul@us.ibm.com \
    --to=johnstul@us.ibm.com \
    --cc=anton@samba.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=paulus@samba.org \
    --cc=tglx@linutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®