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From: Ingo Molnar <mingo@kernel.org>
To: Frederic Weisbecker <frederic@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Wanpeng Li <wanpengli@tencent.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Yauheni Kaliuta <yauheni.kaliuta@redhat.com>,
	Rik van Riel <riel@redhat.com>
Subject: Re: [PATCH 0/2] vtime: Remove pair of seqcount on context switch
Date: Mon, 7 Oct 2019 18:20:31 +0200	[thread overview]
Message-ID: <20191007162031.GA7676@gmail.com> (raw)
In-Reply-To: <20191003161745.28464-1-frederic@kernel.org>


* Frederic Weisbecker <frederic@kernel.org> wrote:

> Extracted from a larger queue that fixes kcpustat on nohz_full, these
> two patches have value on their own as they remove two write barriers
> on nohz_full context switch.
> 
> Frederic Weisbecker (2):
>   vtime: Rename vtime_account_system() to vtime_account_kernel()
>   vtime: Spare a seqcount lock/unlock cycle on context switch
> 
>  arch/ia64/kernel/time.c          |  4 +--
>  arch/powerpc/kernel/time.c       |  6 ++--
>  arch/s390/kernel/vtime.c         |  4 +--
>  include/linux/context_tracking.h |  4 +--
>  include/linux/vtime.h            | 38 ++++++++++++------------
>  kernel/sched/cputime.c           | 50 ++++++++++++++++++--------------
>  6 files changed, 57 insertions(+), 49 deletions(-)

Which tree is this against? Doesn't apply cleanly to v5.4-rc2 nor v5.3. 
Does it have any prereqs perhaps?

Thanks,

	Ingo

  parent reply	other threads:[~2019-10-07 16:20 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-03 16:17 [PATCH 0/2] vtime: Remove pair of seqcount on context switch Frederic Weisbecker
2019-10-03 16:17 ` [PATCH 1/2] vtime: Rename vtime_account_system() to vtime_account_kernel() Frederic Weisbecker
2019-10-09 12:59   ` [tip: sched/core] sched/cputime: " tip-bot2 for Frederic Weisbecker
2019-10-03 16:17 ` [PATCH 2/2] vtime: Spare a seqcount lock/unlock cycle on context switch Frederic Weisbecker
2019-10-09 12:59   ` [tip: sched/core] sched/cputime: " tip-bot2 for Frederic Weisbecker
2019-10-07 16:20 ` Ingo Molnar [this message]
2019-10-07 16:51   ` [PATCH 0/2] vtime: Remove pair of seqcount " Frederic Weisbecker

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