linux-kernel - Re: [patch 7/8] fdmap v2

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Message-ID: <Pine.LNX.4.64.0706081710260.5795@alien.or.mcafeemobile.com>
Date:	Fri, 8 Jun 2007 17:13:43 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
cc:	Ulrich Drepper <drepper@...hat.com>,
	Al Viro <viro@....linux.org.uk>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Theodore Tso <tytso@....edu>,
	Eric Dumazet <dada1@...mosbay.com>,
	Kyle Moffett <mrmacman_g4@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [patch 7/8] fdmap v2 - implement sys_socket2

On Fri, 8 Jun 2007, Linus Torvalds wrote:

> On Fri, 8 Jun 2007, Davide Libenzi wrote:
> >
> > On Fri, 8 Jun 2007, Linus Torvalds wrote:
> > > 
> > > You need things to be *repeatable* for debugging. No ifs, buts, or maybes 
> > > about it.
> > 
> > It all depends on how you use the file descriptor.
> 
> Read what I wrote. "for debugging".
> 
> If your code is bug-free, and does what you intend it to do, everything is 
> fine. But you wouldn't be doing debugging then, would you?
> 
> For debugging, it does _not_ depend on "how you use the file descriptor". 
> The whole _point_ is that something does something wrong. Maybe you 
> _intended_ to use the file descriptor some way, and the bug was that you 
> didn't.

Ok, so what's your idea? Have another POSIX-like allocator somewhere up 
there in the fd space, with a fixed and include-defined base?
Or just drop all this altogether?



- Davide


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