From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Tony Luck <tony.luck@intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Thomas Gleixner <tglx@linutronix.de>,
Oleg Nesterov <oleg@redhat.com>,
Paul Mackerras <paulus@samba.org>,
Wu Fengguang <fengguang.wu@intel.com>,
Ingo Molnar <mingo@kernel.org>, Rik van Riel <riel@redhat.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [RFC PATCH 04/30] s390: Convert open coded idle time seqcount
Date: Mon, 1 Dec 2014 14:46:13 +0100 [thread overview]
Message-ID: <20141201134613.GF4074@osiris> (raw)
In-Reply-To: <1417199040-21044-5-git-send-email-fweisbec@gmail.com>
On Fri, Nov 28, 2014 at 07:23:34PM +0100, Frederic Weisbecker wrote:
> s390 uses open coded seqcount to synchronize idle time accounting.
> Lets consolidate it with the standard API.
>
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> Cc: Oleg Nesterov <oleg@redhat.com>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Rik van Riel <riel@redhat.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Tony Luck <tony.luck@intel.com>
> Cc: Wu Fengguang <fengguang.wu@intel.com>
> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
> ---
> arch/s390/include/asm/idle.h | 3 ++-
> arch/s390/kernel/idle.c | 28 +++++++++++++++-------------
> 2 files changed, 17 insertions(+), 14 deletions(-)
This is a nice cleanup. I'll apply it to the s390 tree, so it will
go upstream independently of this discussion.
Thanks,
Heiko
next prev parent reply other threads:[~2014-12-01 13:46 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-28 18:23 [RFC PATCH 00/30] cputime: Convert task/cpu cputime accounting to nsecs Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 01/30] jiffies: Remove HZ > USEC_PER_SEC special case Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 02/30] time: Introduce jiffies64_to_nsecs() Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 03/30] cputime: Introduce nsecs_to_cputime64() Frederic Weisbecker
2014-12-01 14:05 ` Martin Schwidefsky
2014-11-28 18:23 ` [RFC PATCH 04/30] s390: Convert open coded idle time seqcount Frederic Weisbecker
2014-12-01 13:46 ` Heiko Carstens [this message]
2014-11-28 18:23 ` [RFC PATCH 05/30] s390: Translate cputime magic constants to macros Frederic Weisbecker
2014-12-01 13:47 ` Heiko Carstens
2014-12-01 16:23 ` Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 06/30] s390: Introduce cputime64_to_nsecs() Frederic Weisbecker
2014-12-01 12:24 ` Heiko Carstens
2014-12-01 13:58 ` Martin Schwidefsky
2014-12-01 16:23 ` Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 07/30] cputime: Convert kcpustat to nsecs Frederic Weisbecker
2014-12-01 14:14 ` Martin Schwidefsky
2014-12-01 16:10 ` Frederic Weisbecker
2014-12-01 16:48 ` Martin Schwidefsky
2014-12-01 17:15 ` Thomas Gleixner
2014-12-01 17:27 ` Martin Schwidefsky
2014-12-01 19:59 ` Frederic Weisbecker
2014-12-01 20:14 ` Christian Borntraeger
2014-12-01 20:21 ` Thomas Gleixner
2014-11-28 18:23 ` [RFC PATCH 08/30] apm32: Fix cputime == jiffies assumption Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 09/30] alpha: Fix jiffies based cputime assumption Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 10/30] cputime: Convert guest time accounting to nsecs Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 11/30] cputime: Special API to return old-typed cputime Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 12/30] cputime: Convert task/group cputime to nsecs Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 13/30] alpha: Convert obsolete cputime_t " Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 14/30] x86: Convert obsolete cputime type " Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 15/30] isdn: " Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 16/30] binfmt: " Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 17/30] acct: " Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 18/30] delaycct: " Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 19/30] tsacct: " Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 20/30] signal: " Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 21/30] cputime: Remove task_cputime_t_scaled Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 22/30] u64_stats_sync: Introduce preempt-unsafe readers Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 23/30] cputime: Convert irq_time_accounting to use u64_stats_sync Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 24/30] cputime: Increment kcpustat directly on irqtime account Frederic Weisbecker
2014-12-01 14:41 ` Martin Schwidefsky
2014-12-01 16:15 ` Frederic Weisbecker
2014-12-01 16:50 ` Martin Schwidefsky
2014-11-28 18:23 ` [RFC PATCH 25/30] cputime: Remove temporary irqtime states Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 26/30] cputime: Push time to account_user_time() in nanosecs Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 27/30] cputime: Push time to account_steal_time() " Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 28/30] cputime: Push time to account_idle_time() " Frederic Weisbecker
2014-11-28 18:23 ` [RFC PATCH 29/30] cputime: Push time to account_guest_time() " Frederic Weisbecker
2014-11-28 18:24 ` [RFC PATCH 30/30] cputime: Push time to account_system_time() " Frederic Weisbecker
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