From: Al Viro <viro@ftp.linux.org.uk>
To: Andrew Morton <akpm@osdl.org>
Cc: Andrew MChuck Ebbert <76306.1226@compuserve.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
"Linus Torvalds orton <akpm@osdl.org>" <torvalds@osdl.org>
Subject: Re: [patch] pipe: Don't oops when pipe filesystem isn't mounted
Date: Mon, 11 Dec 2006 10:22:07 +0000 [thread overview]
Message-ID: <20061211102207.GE4587@ftp.linux.org.uk> (raw)
In-Reply-To: <20061211021718.a6954106.akpm@osdl.org>
On Mon, Dec 11, 2006 at 02:17:18AM -0800, Andrew Morton wrote:
> I think we should aim to have as many subsystems ready to go as possible -
> ideally all of them. Right now we can potentially run userspace before
> AIO, posix-timers, message-queues, BIO, networking, etc are ready to run.
>
> It looks to be pretty easy to fix...
>
> > As for that example, I'd love to see specifics - which driver triggers
> > hotplug? Presumably it happens from an initcall, so we also have something
> > fishy here...
>
> I don't know in this case - but firmware loading from a statically-linked
> driver is a legit thing to do.
Umm... statically linked driver that might want firmware shouldn't precede
the subsystems unless something is seriously wrong with priorities...
IOW, I still wonder what's really going on - pipes are fs_initcall() and
any hardware stuff ought to be simple module_init(). So something fishy
is going on, regardless of anything else.
next prev parent reply other threads:[~2006-12-11 10:22 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-11 8:27 [patch] pipe: Don't oops when pipe filesystem isn't mounted Chuck Ebbert
2006-12-11 8:55 ` Andrew Morton
2006-12-11 9:13 ` Andrew Morton
2006-12-11 9:21 ` Al Viro
2006-12-11 9:25 ` Andrew Morton
2006-12-11 9:33 ` Al Viro
2006-12-11 9:47 ` Andrew Morton
2006-12-11 10:03 ` Al Viro
2006-12-11 10:17 ` Andrew Morton
2006-12-11 10:22 ` Al Viro [this message]
2006-12-11 10:34 ` Andrew Morton
2006-12-11 10:47 ` Al Viro
2006-12-11 10:57 ` Jeff Garzik
2006-12-11 10:27 ` Andrew Morton
2006-12-11 10:45 ` Al Viro
2006-12-11 16:01 ` Linus Torvalds
2006-12-11 16:12 ` Al Viro
2006-12-11 16:40 ` Linus Torvalds
2006-12-12 0:33 ` Benjamin Herrenschmidt
2006-12-12 2:08 ` Andrew Morton
2006-12-12 2:17 ` Dominik Brodowski
2006-12-12 2:23 ` Linus Torvalds
2006-12-11 10:52 ` [PATCH] get rid of ARCH_HAVE_XTIME_LOCK Eric Dumazet
2006-12-11 13:50 ` [PATCH] Optimize calc_load() Eric Dumazet
2006-12-11 19:04 ` [PATCH] constify pipe_buf_operations Eric Dumazet
2006-12-11 9:13 ` [patch] pipe: Don't oops when pipe filesystem isn't mounted Al Viro
2006-12-11 9:40 ` Michael Tokarev
2006-12-11 15:44 ` Linus Torvalds
2006-12-12 12:20 ` Michael Tokarev
-- strict thread matches above, loose matches on Subject: below --
2006-12-11 9:33 Chuck Ebbert
2006-12-11 10:48 ` Olaf Hering
2006-12-11 10:52 ` Al Viro
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