From: Arjan van de Ven <arjanv@redhat.com>
To: Andrew Morton <akpm@osdl.org>
Cc: thomas.schlichter@web.de, thoffman@arnor.net,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Tim Hockin <thockin@sun.com>
Subject: Re: 2.6.2-rc2-mm2
Date: Fri, 30 Jan 2004 20:55:15 +0100 [thread overview]
Message-ID: <20040130195515.GB2977@devserv.devel.redhat.com> (raw)
In-Reply-To: <20040130114701.18aec4e8.akpm@osdl.org>
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On Fri, Jan 30, 2004 at 11:47:01AM -0800, Andrew Morton wrote:
> Arjan van de Ven <arjanv@redhat.com> wrote:
> >
> >
> > directly calling sys_ANYTHING sounds really wrong to me...
> >
>
> It's a philosophical thing. Is a kernel thread like a user process which
> happens to be running from the kernel or it is a piece of mainline kernel
> code which happens to have its own execution context? I rather favour the
> latter...
>
> In this case it looks like it will just happen to work, because
> nfsd_setuser() is executed by nfsd, and kernel threads are allowed to do
> copy_from_user() with the source in kernel memory. ick.
I didn't imply illegal, just ick ;)
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next prev parent reply other threads:[~2004-01-30 19:55 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-30 9:41 2.6.2-rc2-mm2 Andrew Morton
2004-01-30 10:52 ` 2.6.2-rc2-mm2 Helge Hafting
2004-01-30 11:14 ` 2.6.2-rc2-mm2 Zephaniah E. Hull
2004-01-30 16:25 ` 2.6.2-rc2-mm2 Gene Heskett
2004-01-30 17:25 ` 2.6.2-rc2-mm2 Gene Heskett
2004-01-30 18:58 ` 2.6.2-rc2-mm2 Torrey Hoffman
2004-01-30 19:07 ` 2.6.2-rc2-mm2 Thomas Schlichter
2004-01-30 19:23 ` 2.6.2-rc2-mm2 Arjan van de Ven
2004-01-30 19:47 ` 2.6.2-rc2-mm2 Andrew Morton
2004-01-30 19:55 ` Arjan van de Ven [this message]
2004-01-30 20:17 ` 2.6.2-rc2-mm2 Tim Hockin
2004-01-30 20:33 ` 2.6.2-rc2-mm2 Andrew Morton
2004-01-30 21:12 ` 2.6.2-rc2-mm2 Tim Hockin
2004-01-30 22:00 ` 2.6.2-rc2-mm2 Andrew Morton
2004-01-30 22:31 ` 2.6.2-rc2-mm2 Tim Hockin
2004-01-30 23:08 ` 2.6.2-rc2-mm2 Andrew Morton
2004-01-30 23:21 ` 2.6.2-rc2-mm2 Tim Hockin
2004-01-30 23:31 ` 2.6.2-rc2-mm2 Andrew Morton
2004-01-30 23:43 ` 2.6.2-rc2-mm2 Tim Hockin
2004-01-30 21:16 ` 2.6.2-rc2-mm2 John Stoffel
2004-01-30 21:52 ` 2.6.2-rc2-mm2 Tim Hockin
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