Re: [PATCH v7 3/5] locking/qspinlock: Introduce CNA into the slow path of qspinlock

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To: Alex Kogan <alex.kogan@xxxxxxxxxx>
Subject: Re: [PATCH v7 3/5] locking/qspinlock: Introduce CNA into the slow path of qspinlock
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Wed, 22 Jan 2020 10:51:27 +0100
Cc: linux@xxxxxxxxxxxxxxx, mingo@xxxxxxxxxx, will.deacon@xxxxxxx, arnd@xxxxxxxx, longman@xxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, bp@xxxxxxxxx, hpa@xxxxxxxxx, x86@xxxxxxxxxx, guohanjun@xxxxxxxxxx, jglauber@xxxxxxxxxxx, steven.sistare@xxxxxxxxxx, daniel.m.jordan@xxxxxxxxxx, dave.dice@xxxxxxxxxx, rahul.x.yadav@xxxxxxxxxx
In-reply-to: <20200121202919.GM11457@worktop.programming.kicks-ass.net>
References: <20191125210709.10293-1-alex.kogan@oracle.com> <20191125210709.10293-4-alex.kogan@oracle.com> <20200121202919.GM11457@worktop.programming.kicks-ass.net>
User-agent: Mutt/1.10.1 (2018-07-13)

On Tue, Jan 21, 2020 at 09:29:19PM +0100, Peter Zijlstra wrote:
> 
> various notes and changes in the below.

Also, sorry for replying to v7 and v8, I forgot to refresh email on the
laptop and had spotty cell service last night and only found v7 in that
mailbox.

Afaict none of the things I commented on were fundamentally changed
though.

Follow-Ups:
- Re: [PATCH v7 3/5] locking/qspinlock: Introduce CNA into the slow path of qspinlock
  - From: Peter Zijlstra

References:
- [PATCH v7 0/5] Add NUMA-awareness to qspinlock
  - From: Alex Kogan
- [PATCH v7 3/5] locking/qspinlock: Introduce CNA into the slow path of qspinlock
  - From: Alex Kogan
- Re: [PATCH v7 3/5] locking/qspinlock: Introduce CNA into the slow path of qspinlock
  - From: Peter Zijlstra

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