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

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Message-ID: <20140516154538.GW11096@twins.programming.kicks-ass.net>
Date:	Fri, 16 May 2014 17:45:38 +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 Fri, May 16, 2014 at 09:33:00AM -0400, Don Zickus wrote:
> On Fri, May 16, 2014 at 02:22:19PM +0200, Peter Zijlstra wrote:
> > 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. 
> 
> I realized I didn't put your sign-off even though I said the patch is from
> you.  Should I repost with that?  I don't know who is going to take what
> patches from this series.

I asked jolsa to pick the lot up since its mostly userspace, if he
remembers he can put it in.

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