Re: [patch] pipe: Don't oops when pipe filesystem isn't mounted

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In-Reply-To: <[email protected]>

On Mon, 11 Dec 2006 00:55:57 -0800, Andrew Morton wrote:

> > Prevent oops when an app tries to create a pipe while pipefs
> > is not mounted.
> 
> That's pretty lame.  It means that pipes just won't work, so people who are
> using pipes in their initramfs setups will just get mysterious failures
> running userspace on a crippled kernel.

I know, I just wanted to keep the issue alive. :)

> 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.

Why not create a new initcall category for things that must run before
early userspace?

-- 
MBTI: IXTP

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