linux-kernel - Re: [RFC][PATCH 0/5] arch: atomic rework

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Message-ID: <20140207172053.GT5002@laptop.programming.kicks-ass.net>
Date:	Fri, 7 Feb 2014 18:20:53 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Will Deacon <will.deacon@....com>
Cc:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Torvald Riegel <triegel@...hat.com>,
	Ramana Radhakrishnan <Ramana.Radhakrishnan@....com>,
	David Howells <dhowells@...hat.com>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"mingo@...nel.org" <mingo@...nel.org>,
	"gcc@....gnu.org" <gcc@....gnu.org>
Subject: Re: [RFC][PATCH 0/5] arch: atomic rework

On Fri, Feb 07, 2014 at 05:13:36PM +0000, Will Deacon wrote:
> Understood, but that doesn't explain why Paul wants to add ISB/isync
> instructions which affect the *CPU* rather than the compiler!

I doubt Paul wants it, but yeah, I'm curious about that proposal as
well, sounds like someone took a big toke from the bong again; it seems
a favourite past time amongst committees.
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