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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>,
	"rostedt\@goodmis.org" <rostedt@goodmis.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"peterx\@redhat.com" <peterx@redhat.com>,
	"linux-arch\@vger.kernel.org" <linux-arch@vger.kernel.org>,
	"mtosatti\@redhat.com" <mtosatti@redhat.com>,
	"will\@kernel.org" <will@kernel.org>,
	"peterz\@infradead.org" <peterz@infradead.org>,
	"leon\@sidebranch.com" <leon@sidebranch.com>,
	"linux-arm-kernel\@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"pauld\@redhat.com" <pauld@redhat.com>,
	"netdev\@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH v5 1/9] task_isolation: vmstat: add quiet_vmstat_sync function
Date: Mon, 23 Nov 2020 22:48:01 +0100	[thread overview]
Message-ID: <87eekjn3se.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <0e07e5bf6f65dc89d263683c81b4a19bcc6d4b60.camel@marvell.com>

Alex,

On Mon, Nov 23 2020 at 17:56, Alex Belits wrote:

why are you insisting on adding 'task_isolation: ' as prefix to every
single patch? That's wrong as I explained before.

The prefix denotes the affected subsystem and 'task_isolation' is _NOT_
a subsystem. It's the project name you are using but the affected code
belongs to the memory management subsystem and if you run

 git log mm/vmstat.c

you might get a hint what the proper prefix is, i.e. 'mm/vmstat: '

> In commit f01f17d3705b ("mm, vmstat: make quiet_vmstat lighter")
> the quiet_vmstat() function became asynchronous, in the sense that
> the vmstat work was still scheduled to run on the core when the
> function returned.  For task isolation, we need a synchronous

This changelog is useless because how should someone not familiar with
the term 'task isolation' figure out what that means?

It's not the reviewers job to figure that out. Again: Go read and adhere
to Documentation/process/*

Aside of that your patches are CR/LF inflicted. Please fix your work
flow and tools.

Thanks,

        tglx




WARNING: multiple messages have this Message-ID (diff)
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: "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
	"pauld@redhat.com" <pauld@redhat.com>,
	"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
	"peterz@infradead.org" <peterz@infradead.org>,
	Prasun Kapoor <pkapoor@marvell.com>,
	"mtosatti@redhat.com" <mtosatti@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"rostedt@goodmis.org" <rostedt@goodmis.org>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"leon@sidebranch.com" <leon@sidebranch.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"peterx@redhat.com" <peterx@redhat.com>,
	"trix@redhat.com" <trix@redhat.com>,
	"linux-api@vger.kernel.org" <linux-api@vger.kernel.org>,
	"will@kernel.org" <will@kernel.org>,
	"mingo@kernel.org" <mingo@kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v5 1/9] task_isolation: vmstat: add quiet_vmstat_sync function
Date: Mon, 23 Nov 2020 22:48:01 +0100	[thread overview]
Message-ID: <87eekjn3se.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <0e07e5bf6f65dc89d263683c81b4a19bcc6d4b60.camel@marvell.com>

Alex,

On Mon, Nov 23 2020 at 17:56, Alex Belits wrote:

why are you insisting on adding 'task_isolation: ' as prefix to every
single patch? That's wrong as I explained before.

The prefix denotes the affected subsystem and 'task_isolation' is _NOT_
a subsystem. It's the project name you are using but the affected code
belongs to the memory management subsystem and if you run

 git log mm/vmstat.c

you might get a hint what the proper prefix is, i.e. 'mm/vmstat: '

> In commit f01f17d3705b ("mm, vmstat: make quiet_vmstat lighter")
> the quiet_vmstat() function became asynchronous, in the sense that
> the vmstat work was still scheduled to run on the core when the
> function returned.  For task isolation, we need a synchronous

This changelog is useless because how should someone not familiar with
the term 'task isolation' figure out what that means?

It's not the reviewers job to figure that out. Again: Go read and adhere
to Documentation/process/*

Aside of that your patches are CR/LF inflicted. Please fix your work
flow and tools.

Thanks,

        tglx




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  reply	other threads:[~2020-11-23 21:48 UTC|newest]

Thread overview: 74+ 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 17:42 ` Alex Belits
2020-11-23 17:56 ` [PATCH v5 1/9] task_isolation: vmstat: add quiet_vmstat_sync function Alex Belits
2020-11-23 17:56   ` Alex Belits
2020-11-23 21:48   ` Thomas Gleixner [this message]
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 17:56   ` Alex Belits
2020-11-23 21:49   ` Thomas Gleixner
2020-11-23 21:49     ` Thomas Gleixner
2020-11-23 17:56 ` [PATCH v5 3/9] task_isolation: userspace hard isolation from kernel Alex Belits
2020-11-23 17:56   ` Alex Belits
2020-11-23 22:01   ` Thomas Gleixner
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 17:57   ` Alex Belits
2020-11-23 22:31   ` Thomas Gleixner
2020-11-23 22:31     ` Thomas Gleixner
2020-11-23 17:57 ` [PATCH v5 5/9] task_isolation: Add driver-specific hooks Alex Belits
2020-11-23 17:57   ` Alex Belits
2020-12-02 14:18   ` Mark Rutland
2020-12-02 14:18     ` Mark Rutland
2020-12-04  0:43     ` [EXT] " Alex Belits
2020-12-04  0:43       ` Alex Belits
2020-11-23 17:58 ` [PATCH v5 6/9] task_isolation: arch/arm64: enable task isolation functionality Alex Belits
2020-11-23 17:58   ` Alex Belits
2020-12-02 13:59   ` Mark Rutland
2020-12-02 13:59     ` Mark Rutland
2020-12-04  0:37     ` [EXT] " Alex Belits
2020-12-04  0:37       ` Alex Belits
2020-12-07 11:57       ` Mark Rutland
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 17:58   ` Alex Belits
2020-11-23 22:13   ` Frederic Weisbecker
2020-11-23 22:13     ` Frederic Weisbecker
2020-11-23 22:35     ` Alex Belits
2020-11-23 22:35       ` Alex Belits
2020-11-23 22:36   ` Thomas Gleixner
2020-11-23 22:36     ` Thomas Gleixner
2020-12-02 14:20   ` Mark Rutland
2020-12-02 14:20     ` Mark Rutland
2020-12-04  0:54     ` [EXT] " Alex Belits
2020-12-04  0:54       ` Alex Belits
2020-12-07 11:58       ` Mark Rutland
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   ` 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 17:58   ` Alex Belits
2020-11-23 22:29   ` Frederic Weisbecker
2020-11-23 22:29     ` Frederic Weisbecker
2020-11-23 22:39     ` [EXT] " Alex Belits
2020-11-23 22:39       ` Alex Belits
2020-11-23 23:21       ` Frederic Weisbecker
2020-11-23 23:21         ` Frederic Weisbecker
2020-11-25  3:20         ` Alex Belits
2020-11-25  3:20           ` Alex Belits
2021-01-22 15:00         ` Marcelo Tosatti
2021-01-22 15:00           ` Marcelo Tosatti
2020-11-24 16:36 ` [PATCH v5 0/9] "Task_isolation" mode Tom Rix
2020-11-24 16:36   ` Tom Rix
2020-11-24 17:40   ` [EXT] " Alex Belits
2020-11-24 17:40     ` Alex Belits
2020-12-02 14:02     ` Mark Rutland
2020-12-02 14:02       ` Mark Rutland
2020-12-04  0:39       ` Alex Belits
2020-12-04  0:39         ` Alex Belits
2020-12-05 20:40 ` Pavel Machek
2020-12-05 20:40   ` Pavel Machek
2020-12-05 23:25   ` Thomas Gleixner
2020-12-05 23:25     ` Thomas Gleixner
2020-12-11 18:08     ` Yury Norov
2020-12-11 18:08       ` Yury Norov

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