linux-kernel - Re: [PATCH 1/6] events, perf: Pass protection and flags bits through mmap2 interface

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Message-ID: <20140516122219.GQ11096@twins.programming.kicks-ass.net>
Date:	Fri, 16 May 2014 14:22:19 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Don Zickus <dzickus@...hat.com>
Cc:	acme@...stprotocols.net, LKML <linux-kernel@...r.kernel.org>,
	jolsa@...hat.com, namhyung@...il.com, eranian@...gle.com,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH 1/6] events, perf: Pass protection and flags bits through
 mmap2 interface

On Tue, May 13, 2014 at 12:48:12PM -0400, Don Zickus wrote:
> From: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> 
> The mmap2 interface was missing the protection and flags bits needed to
> accurately determine if a mmap memory area was shared or private and
> if it was readable or not.
> 
> [tweaked patch to compile and wrote changelog]
> Signed-off-by: Don Zickus <dzickus@...hat.com>
> 
> --
> Peter you mentioned writing up a changelog for this patch, but you
> seemed busy, so I jumped the gun a little bit.  Let me know how you
> want to do this patch if this approach is wrong.

Oh, right, totally forgot about that. yeah I think the blub you have is
adequate. 

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