From: Tom Rini <trini@kernel.crashing.org>
To: Olaf Hering <olh@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] CONFIG_CMDLINE broken on ppc
Date: Wed, 8 Sep 2004 07:18:57 -0700 [thread overview]
Message-ID: <20040908141857.GB26381@smtp.west.cox.net> (raw)
In-Reply-To: <20040908140323.GA15309@suse.de>
On Wed, Sep 08, 2004 at 04:03:23PM +0200, Olaf Hering wrote:
> On Wed, Sep 08, Tom Rini wrote:
>
> > On Wed, Sep 08, 2004 at 03:40:28PM +0200, Olaf Hering wrote:
> >
> > > CONFIG_CMDLINE can not work on ppc.
> > > machine_init() copies the string to cmd_line, then platform_init() is
> > > called. It truncates the string to length zero.
> >
> > This has come up before, actually. What happens if CMDLINE isn't set,
> > and we don't terminate cmd_line here? It's part of the BSS and is
> > zero'd out anyways?
>
> strlcpy generates a null-terminated string, if size != 0. Looks like
> that line can go.
... but strlcpy might not be called if no one passes a commandline.
Hence, is this part of the bss and already zeroed ? If yes, then just
remove the line.
> Or move it at the start of machine_init().
Or always define CMDLINE, ala the ADVANCED_OPTIONS || defaults, no #if's
that way :)
--
Tom Rini
http://gate.crashing.org/~trini/
next prev parent reply other threads:[~2004-09-08 14:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-08 13:40 Olaf Hering
2004-09-08 13:52 ` Tom Rini
2004-09-08 14:03 ` Olaf Hering
2004-09-08 14:18 ` Tom Rini [this message]
2004-09-08 15:18 ` Andreas Schwab
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040908141857.GB26381@smtp.west.cox.net \
--to=trini@kernel.crashing.org \
--cc=linux-kernel@vger.kernel.org \
--cc=olh@suse.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®