From: Thomas Gleixner <tglx@linutronix.de>
To: Alex Belits <abelits@marvell.com>,
"nitesh\@redhat.com" <nitesh@redhat.com>,
"frederic\@kernel.org" <frederic@kernel.org>
Cc: Prasun Kapoor <pkapoor@marvell.com>,
"linux-api\@vger.kernel.org" <linux-api@vger.kernel.org>,
"davem\@davemloft.net" <davem@davemloft.net>,
"trix\@redhat.com" <trix@redhat.com>,
"mingo\@kernel.org" <mingo@kernel.org>,
"catalin.marinas\@arm.com" <catalin.marinas@arm.com>,
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"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
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"mtosatti\@redhat.com" <mtosatti@redhat.com>,
"will\@kernel.org" <will@kernel.org>,
"peterz\@infradead.org" <peterz@infradead.org>,
"leon\@sidebranch.com" <leon@sidebranch.com>,
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<linux-arm-kernel@lists.infradead.org>,
"pauld\@redhat.com" <pauld@redhat.com>,
"netdev\@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH v5 2/9] task_isolation: vmstat: add vmstat_idle function
Date: Mon, 23 Nov 2020 22:49:17 +0100 [thread overview]
Message-ID: <87blfnn3qa.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <6ac7143e5038614e3950636456cef67b5bc0c9e4.camel@marvell.com>
On Mon, Nov 23 2020 at 17:56, Alex Belits wrote:
> This function checks to see if a vmstat worker is not running,
> and the vmstat diffs don't require an update. The function is
> called from the task-isolation code to see if we need to
> actually do some work to quiet vmstat.
A changelog has to explain _WHY_ this change is necessary and not _WHAT_
the patch is doing.
Thanks,
tglx
next prev parent reply other threads:[~2020-11-23 21:49 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-23 17:42 [PATCH v5 0/9] "Task_isolation" mode Alex Belits
2020-11-23 17:56 ` [PATCH v5 1/9] task_isolation: vmstat: add quiet_vmstat_sync function Alex Belits
2020-11-23 21:48 ` Thomas Gleixner
2020-11-23 17:56 ` [PATCH v5 2/9] task_isolation: vmstat: add vmstat_idle function Alex Belits
2020-11-23 21:49 ` Thomas Gleixner [this message]
2020-11-23 17:56 ` [PATCH v5 3/9] task_isolation: userspace hard isolation from kernel Alex Belits
2020-11-23 22:01 ` Thomas Gleixner
2020-11-23 17:57 ` [PATCH v5 4/9] task_isolation: Add task isolation hooks to arch-independent code Alex Belits
2020-11-23 22:31 ` Thomas Gleixner
2020-11-23 17:57 ` [PATCH v5 5/9] task_isolation: Add driver-specific hooks Alex Belits
2020-12-02 14:18 ` Mark Rutland
2020-12-04 0:43 ` [EXT] " Alex Belits
2020-11-23 17:58 ` [PATCH v5 6/9] task_isolation: arch/arm64: enable task isolation functionality Alex Belits
2020-12-02 13:59 ` Mark Rutland
2020-12-04 0:37 ` [EXT] " Alex Belits
2020-12-07 11:57 ` Mark Rutland
2020-11-23 17:58 ` [PATCH v5 7/9] task_isolation: don't interrupt CPUs with tick_nohz_full_kick_cpu() Alex Belits
2020-11-23 22:13 ` Frederic Weisbecker
2020-11-23 22:35 ` Alex Belits
2020-11-23 22:36 ` Thomas Gleixner
2020-12-02 14:20 ` Mark Rutland
2020-12-04 0:54 ` [EXT] " Alex Belits
2020-12-07 11:58 ` Mark Rutland
2020-11-23 17:58 ` [PATCH v5 8/9] task_isolation: ringbuffer: don't interrupt CPUs running isolated tasks on buffer resize Alex Belits
2020-11-23 17:58 ` [PATCH v5 9/9] task_isolation: kick_all_cpus_sync: don't kick isolated cpus Alex Belits
2020-11-23 22:29 ` Frederic Weisbecker
2020-11-23 22:39 ` [EXT] " Alex Belits
2020-11-23 23:21 ` Frederic Weisbecker
2020-11-25 3:20 ` Alex Belits
2021-01-22 15:00 ` Marcelo Tosatti
2020-11-24 16:36 ` [PATCH v5 0/9] "Task_isolation" mode Tom Rix
2020-11-24 17:40 ` [EXT] " Alex Belits
2020-12-02 14:02 ` Mark Rutland
2020-12-04 0:39 ` Alex Belits
2020-12-05 20:40 ` Pavel Machek
2020-12-05 23:25 ` Thomas Gleixner
2020-12-11 18:08 ` Yury Norov
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