linux-kernel - Re: [PATCH RFP-V4 00/13] remap_file_pages protection support

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Message-ID: <20060829082246.92663.qmail@web25224.mail.ukl.yahoo.com>
Date:	Tue, 29 Aug 2006 10:22:45 +0200 (CEST)
From:	Paolo Giarrusso <blaisorblade@...oo.it>
To:	Andrew Morton <akpm@...l.org>
Cc:	linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>, Jeff Dike <jdike@...toit.com>,
	user-mode-linux-devel@...ts.sourceforge.net,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Hugh Dickins <hugh@...itas.com>,
	Val Henson <val.henson@...el.com>
Subject: Re: [PATCH RFP-V4 00/13] remap_file_pages protection support - 4th attempt

Andrew Morton <akpm@...l.org> ha scritto: 

> On Sat, 26 Aug 2006 19:33:35 +0200
> Blaisorblade <blaisorblade@...oo.it> wrote:
> 
> > Again, about 4 month since last time (for lack of time) I'm
> sending for final 
> > review and for inclusion into -mm protection support for
> remap_file_pages (in 
> > short "RFP prot support"), i.e. setting per-pte protections
> (beyond file 
> > offset) through this syscall.

> This all looks a bit too fresh and TODO-infested for me to put it
> in -mm at
> this time.

It is possible, subsequent rounds of review should be near to each
other, but calling the code "new" is maybe exaggerate. I do not
remember all these TODOs but I may forget (and I don't have my box
right now, so I can't check).

> I could toss them in to get some testing underway, but that makes
> life
> complex for other ongoing MM work.  (And there's a _lot_ of that -
> I
> presently have >180 separate patches which alter ./mm/*).

That's fine. If this can help I could try to base next version
against -mm.

> Also, it looks like another round of detailed review is needed
> before this
> work will really start to settle into its final form.

That's ok, I prefer reviews to testing right now. Almost all but 1
patch (which is marked) is unit tested on i386, x86_64 and uml (but
if I don't have a multithreaded concurrent fault tester), so it's
time to catch remaining bugs by review.

> So..   I'll await version 5, sorry.   Please persist.

I'll try. I just hope we'll not have it next summer (I know it's my
problem, I'm not complaining on you).

Thanks!
Bye
--
Paolo Giarrusso 

Chiacchiera con i tuoi amici in tempo reale! 
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