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SubjectRe: [patch] pipe: Don't oops when pipe filesystem isn't mounted
On Mon, Dec 11, 2006 at 01:25:45AM -0800, Andrew Morton wrote:
> On Mon, 11 Dec 2006 09:21:30 +0000
> Al Viro <viro@ftp.linux.org.uk> wrote:
>
> > On Mon, Dec 11, 2006 at 01:13:27AM -0800, Andrew Morton wrote:
> > > On Mon, 11 Dec 2006 00:55:57 -0800
> > > Andrew Morton <akpm@osdl.org> wrote:
> > >
> > > > I think the bug really is the running of populate_rootfs() before running
> > > > the initcalls, in init/main.c:init(). It's just more sensible to start
> > > > running userspace after the initcalls have been run. Statically-linked
> > > > drivers which want to load firmware files will lose. To fix that we'd need
> > > > a new callback. It could be with a new linker section or perhaps simply a
> > > > notifier chain.
> > >
> > > hm, actually... Add two new initcall levels, one for populate_rootfs() and
> > > one for things which want to come after it (ie: drivers which want to
> > > access the filesytem):
> >
> > IMO we should just call pipe (and socket) initialization directly at
> > the same level as slab, task, dcache, etc.
>
> spose that would work. But what other initcall-initialised things are not
> yet available when populate_rootfs() runs?
>
> <does grep _initcall */*.c>
> <wonders why anything works at all>

Explain, please...
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