From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andi Kleen <andi@firstfloor.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Ingo Molnar <mingo@redhat.com>,
Arjan van de Ven <arjan@infradead.org>,
Hugh Dickins <hugh@veritas.com>,
Ulrich Drepper <drepper@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH, v3] shmat: introduce flag SHM_MAP_NOT_FIXED
Date: Wed, 8 Oct 2008 13:46:04 +0100 [thread overview]
Message-ID: <20081008134604.27d3eb7a@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20081008110243.GN7971@one.firstfloor.org>
> > kernel is not to provide nappies for people who think programming is too
> > hard but to provide services that can be used to build applications.
>
> Outsourcing kernel locking to user space is not the way to go.
You mean like say flock, O_APPEND ...
Putting stuff in user space is good, it means we don't carry tons of
never used app specific crap in the kernel, in every users kernel,
unpageable and basically unused.
Alan
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next prev parent reply other threads:[~2008-10-08 12:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-07 16:15 Kirill A. Shutemov
2008-10-07 16:31 ` KOSAKI Motohiro
2008-10-07 21:10 ` Andi Kleen
2008-10-07 21:38 ` KOSAKI Motohiro
2008-10-07 23:23 ` Andi Kleen
2008-10-07 23:05 ` Alan Cox
2008-10-07 23:20 ` Andi Kleen
2008-10-07 23:40 ` Alan Cox
2008-10-07 23:57 ` Andi Kleen
2008-10-08 8:33 ` Alan Cox
2008-10-08 8:34 ` Alan Cox
2008-10-08 8:43 ` Andi Kleen
2008-10-08 8:58 ` Alan Cox
2008-10-08 9:11 ` Andi Kleen
2008-10-08 10:20 ` Alan Cox
2008-10-08 11:02 ` Andi Kleen
2008-10-08 12:46 ` Alan Cox [this message]
2008-10-07 16:54 ` Alan Cox
2008-10-08 8:57 ` Michael Kerrisk
2008-10-08 9:35 ` Kirill A. Shutemov
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