From: Andi Kleen <andi@firstfloor.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>,
Boqun Feng <boqun.feng@gmail.com>,
Andy Lutomirski <luto@amacapital.net>,
Dave Watson <davejwatson@fb.com>,
linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
Paul Turner <pjt@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Russell King <linux@arm.linux.org.uk>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
Andrew Hunter <ahh@google.com>, Andi Kleen <andi@firstfloor.org>,
Chris Lameter <cl@linux.com>, Ben Maurer <bmaurer@fb.com>,
Steven Rostedt <rostedt@goodmis.org>,
Josh Triplett <josh@joshtriplett.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [RFC PATCH for 4.15 v12 00/22] Restartable sequences and CPU op vector
Date: Tue, 21 Nov 2017 09:21:45 -0800 [thread overview]
Message-ID: <20171121172144.GL2482@two.firstfloor.org> (raw)
In-Reply-To: <20171121141900.18471-1-mathieu.desnoyers@efficios.com>
On Tue, Nov 21, 2017 at 09:18:38AM -0500, Mathieu Desnoyers wrote:
> Hi,
>
> Following changes based on a thorough coding style and patch changelog
> review from Thomas Gleixner and Peter Zijlstra, I'm respinning this
> series for another RFC.
>
My suggestion would be that you also split out the opv system call.
That seems to be main contention point currently, and the restartable
sequences should be useful without it.
-Andi
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <andi@firstfloor.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>,
Boqun Feng <boqun.feng@gmail.com>,
Andy Lutomirski <luto@amacapital.net>,
Dave Watson <davejwatson@fb.com>,
linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
Paul Turner <pjt@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Russell King <linux@arm.linux.org.uk>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
Andrew Hunter <ahh@google.com>, Andi Kleen <andi@firstfloor.org>,
Chris Lameter <cl@linux.com>, Ben Maurer <bmaurer@fb.com>,
Steven Rostedt <rostedt@goodmis.org>,
Josh Triplett <josh@joshtriplett.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Michael Kerrisk <mtk.manpages@gmail.com>
Subject: Re: [RFC PATCH for 4.15 v12 00/22] Restartable sequences and CPU op vector
Date: Tue, 21 Nov 2017 09:21:45 -0800 [thread overview]
Message-ID: <20171121172144.GL2482@two.firstfloor.org> (raw)
In-Reply-To: <20171121141900.18471-1-mathieu.desnoyers@efficios.com>
On Tue, Nov 21, 2017 at 09:18:38AM -0500, Mathieu Desnoyers wrote:
> Hi,
>
> Following changes based on a thorough coding style and patch changelog
> review from Thomas Gleixner and Peter Zijlstra, I'm respinning this
> series for another RFC.
>
My suggestion would be that you also split out the opv system call.
That seems to be main contention point currently, and the restartable
sequences should be useful without it.
-Andi
next prev parent reply other threads:[~2017-11-21 17:21 UTC|newest]
Thread overview: 175+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-21 14:18 [RFC PATCH for 4.15 v12 00/22] Restartable sequences and CPU op vector Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 01/22] uapi headers: Provide types_32_64.h Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 v12 02/22] rseq: Introduce restartable sequences system call Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 03/22] arm: Add restartable sequences support Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 04/22] arm: Wire up restartable sequences system call Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 07/22] powerpc: Add support for restartable sequences Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 08/22] powerpc: Wire up restartable sequences system call Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 09/22] sched: Implement push_task_to_cpu Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 v4 10/22] cpu_opv: Provide cpu_opv system call Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 11/22] x86: Wire up " Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 12/22] powerpc: " Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 13/22] arm: " Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 v3 14/22] cpu_opv: selftests: Implement selftests Mathieu Desnoyers
2017-11-21 14:18 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 14:18 ` mathieu.desnoyers
[not found] ` <20171121141900.18471-15-mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-21 15:17 ` Shuah Khan
2017-11-21 15:17 ` Shuah Khan
2017-11-21 15:17 ` [Linux-kselftest-mirror] " Shuah Khan
2017-11-21 15:17 ` shuah
[not found] ` <c311cd4b-4d8f-bfb5-3731-2cb2eefa4865-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2017-11-21 16:46 ` Mathieu Desnoyers
2017-11-21 16:46 ` Mathieu Desnoyers
2017-11-21 16:46 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 16:46 ` mathieu.desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 v3 15/22] rseq: selftests: Provide self-tests Mathieu Desnoyers
[not found] ` <20171121141900.18471-16-mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-21 15:34 ` Shuah Khan
2017-11-21 15:34 ` Shuah Khan
2017-11-21 17:05 ` Mathieu Desnoyers
2017-11-21 17:05 ` Mathieu Desnoyers
2017-11-21 17:05 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 17:05 ` mathieu.desnoyers
2017-11-21 17:40 ` Shuah Khan
2017-11-21 17:40 ` Shuah Khan
2017-11-21 17:40 ` [Linux-kselftest-mirror] " Shuah Khan
2017-11-21 17:40 ` shuah
2017-11-21 21:22 ` Mathieu Desnoyers
2017-11-21 21:22 ` Mathieu Desnoyers
2017-11-21 21:22 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 21:22 ` mathieu.desnoyers
[not found] ` <911090321.19621.1511299340968.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-21 21:24 ` Shuah Khan
2017-11-21 21:24 ` Shuah Khan
2017-11-21 21:24 ` [Linux-kselftest-mirror] " Shuah Khan
2017-11-21 21:24 ` shuahkh
[not found] ` <d059d29d-83a7-f16d-dc84-05a4609a3479-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>
2017-11-21 21:44 ` Mathieu Desnoyers
2017-11-21 21:44 ` Mathieu Desnoyers
2017-11-21 21:44 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 21:44 ` mathieu.desnoyers
2017-11-22 19:38 ` Peter Zijlstra
2017-11-22 19:38 ` Peter Zijlstra
2017-11-22 19:38 ` [Linux-kselftest-mirror] " Peter Zijlstra
2017-11-22 19:38 ` peterz
[not found] ` <20171122193821.GJ3165-IIpfhp3q70x9+YH6RuovlLjjLBE8jN/0@public.gmane.org>
2017-11-23 21:16 ` Mathieu Desnoyers
2017-11-23 21:16 ` Mathieu Desnoyers
2017-11-23 21:16 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-23 21:16 ` mathieu.desnoyers
2017-11-22 21:48 ` Peter Zijlstra
2017-11-22 21:48 ` Peter Zijlstra
2017-11-22 21:48 ` [Linux-kselftest-mirror] " Peter Zijlstra
2017-11-22 21:48 ` peterz
[not found] ` <20171122214813.GK3165-IIpfhp3q70x9+YH6RuovlLjjLBE8jN/0@public.gmane.org>
2017-11-23 22:53 ` Mathieu Desnoyers
2017-11-23 22:53 ` Mathieu Desnoyers
2017-11-23 22:53 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-23 22:53 ` mathieu.desnoyers
2017-11-23 8:55 ` Peter Zijlstra
2017-11-23 8:55 ` Peter Zijlstra
2017-11-23 8:55 ` [Linux-kselftest-mirror] " Peter Zijlstra
2017-11-23 8:55 ` peterz
[not found] ` <20171123085511.ohwuobf5v32vggho-Nxj+rRp3nVydTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
2017-11-23 8:57 ` Peter Zijlstra
2017-11-23 8:57 ` Peter Zijlstra
2017-11-23 8:57 ` [Linux-kselftest-mirror] " Peter Zijlstra
2017-11-23 8:57 ` peterz
[not found] ` <20171123085721.bzburngdsatgewjo-Nxj+rRp3nVydTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
2017-11-24 14:15 ` Mathieu Desnoyers
2017-11-24 14:15 ` Mathieu Desnoyers
2017-11-24 14:15 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-24 14:15 ` mathieu.desnoyers
2017-11-24 13:55 ` Mathieu Desnoyers
2017-11-24 13:55 ` Mathieu Desnoyers
2017-11-24 13:55 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-24 13:55 ` mathieu.desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 16/22] rseq: selftests: arm: workaround gcc asm size guess Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:18 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 14:18 ` mathieu.desnoyers
[not found] ` <20171121141900.18471-17-mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-21 15:39 ` Shuah Khan
2017-11-21 15:39 ` Shuah Khan
2017-11-21 15:39 ` [Linux-kselftest-mirror] " Shuah Khan
2017-11-21 15:39 ` shuah
2017-11-21 14:18 ` [RFC PATCH for 4.15 17/22] Fix: membarrier: add missing preempt off around smp_call_function_many Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 18/22] membarrier: selftest: Test private expedited cmd Mathieu Desnoyers
2017-11-21 14:18 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 14:18 ` mathieu.desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 v7 19/22] powerpc: membarrier: Skip memory barrier in switch_mm() Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 v5 20/22] membarrier: Document scheduler barrier requirements Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 v2 21/22] membarrier: provide SHARED_EXPEDITED command Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:19 ` [RFC PATCH for 4.15 22/22] membarrier: selftest: Test shared expedited cmd Mathieu Desnoyers
2017-11-21 14:19 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 14:19 ` mathieu.desnoyers
2017-11-21 14:19 ` Mathieu Desnoyers
2017-11-21 17:21 ` Andi Kleen [this message]
2017-11-21 17:21 ` [RFC PATCH for 4.15 v12 00/22] Restartable sequences and CPU op vector Andi Kleen
[not found] ` <20171121172144.GL2482-1g7Xle2YJi4/4alezvVtWx2eb7JE58TQ@public.gmane.org>
2017-11-21 22:05 ` Mathieu Desnoyers
2017-11-21 22:05 ` Mathieu Desnoyers
[not found] ` <740195164.19702.1511301908907.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-21 22:59 ` Thomas Gleixner
2017-11-21 22:59 ` Thomas Gleixner
2017-11-22 12:36 ` Mathieu Desnoyers
2017-11-22 12:36 ` Mathieu Desnoyers
[not found] ` <809252084.19901.1511354219731.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-22 15:25 ` Thomas Gleixner
2017-11-22 15:25 ` Thomas Gleixner
2017-11-22 19:32 ` Peter Zijlstra
2017-11-22 19:32 ` Peter Zijlstra
2017-11-22 19:37 ` Will Deacon
2017-11-22 19:37 ` Will Deacon
[not found] ` <20171122193734.GO22648-5wv7dgnIgG8@public.gmane.org>
2017-11-23 21:15 ` Mathieu Desnoyers
2017-11-23 21:15 ` Mathieu Desnoyers
[not found] ` <165707648.21250.1511471721845.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-23 22:51 ` Thomas Gleixner
2017-11-23 22:51 ` Thomas Gleixner
2017-11-23 23:01 ` Mathieu Desnoyers
2017-11-23 23:01 ` Mathieu Desnoyers
[not found] ` <739755311.21380.1511478071883.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-23 23:38 ` Thomas Gleixner
2017-11-23 23:38 ` Thomas Gleixner
2017-11-24 0:04 ` Mathieu Desnoyers
2017-11-24 0:04 ` Mathieu Desnoyers
[not found] ` <1589826840.21401.1511481874141.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-24 14:47 ` Thomas Gleixner
2017-11-24 14:47 ` Thomas Gleixner
2017-11-23 21:13 ` Mathieu Desnoyers
2017-11-23 21:13 ` Mathieu Desnoyers
2017-11-23 21:49 ` Andi Kleen
2017-11-23 21:49 ` Andi Kleen
2017-11-22 15:28 ` Andy Lutomirski
2017-11-22 15:28 ` Andy Lutomirski
[not found] ` <CALCETrX84s-WEa5osP0t6CKh8C4Wj7-ARNMpaSp8Eop1_2ycLA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-11-22 16:43 ` Mathieu Desnoyers
2017-11-22 16:43 ` Mathieu Desnoyers
[not found] ` <718035530.20074.1511369023901.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-22 18:10 ` Andi Kleen
2017-11-22 18:10 ` Andi Kleen
[not found] ` <20171121141900.18471-1-mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-21 14:18 ` [RFC PATCH for 4.15 05/22] x86: Add support for restartable sequences Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 14:18 ` [RFC PATCH for 4.15 06/22] x86: Wire up restartable sequence system call Mathieu Desnoyers
2017-11-21 14:18 ` Mathieu Desnoyers
2017-11-21 22:19 ` [PATCH update for 4.15 1/3] selftests: lib.mk: Introduce OVERRIDE_TARGETS Mathieu Desnoyers
2017-11-21 22:19 ` Mathieu Desnoyers
2017-11-21 22:19 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 22:19 ` mathieu.desnoyers
[not found] ` <20171121221933.25959-1-mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-21 22:22 ` Mathieu Desnoyers
2017-11-21 22:22 ` Mathieu Desnoyers
2017-11-21 22:22 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 22:22 ` mathieu.desnoyers
2017-11-22 15:16 ` Shuah Khan
2017-11-22 15:16 ` Shuah Khan
2017-11-22 15:16 ` [Linux-kselftest-mirror] " Shuah Khan
2017-11-22 15:16 ` shuah
2017-11-21 22:19 ` [PATCH update for 4.15 2/3] cpu_opv: selftests: Implement selftests (v4) Mathieu Desnoyers
2017-11-21 22:19 ` Mathieu Desnoyers
2017-11-21 22:19 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-21 22:19 ` mathieu.desnoyers
[not found] ` <20171121221933.25959-2-mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-22 15:20 ` Shuah Khan
2017-11-22 15:20 ` Shuah Khan
2017-11-22 15:20 ` [Linux-kselftest-mirror] " Shuah Khan
2017-11-22 15:20 ` shuah
2017-11-21 22:19 ` [PATCH update for 4.15 3/3] rseq: selftests: Provide self-tests (v4) Mathieu Desnoyers
[not found] ` <20171121221933.25959-3-mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2017-11-22 15:23 ` Shuah Khan
2017-11-22 15:23 ` Shuah Khan
2017-11-22 15:23 ` [Linux-kselftest-mirror] " Shuah Khan
2017-11-22 15:23 ` shuah
2017-11-22 16:31 ` Mathieu Desnoyers
2017-11-22 16:31 ` Mathieu Desnoyers
2017-11-22 16:31 ` [Linux-kselftest-mirror] " Mathieu Desnoyers
2017-11-22 16:31 ` mathieu.desnoyers
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