linux-kernel - Re: [PATCH] vsprintf: Add command line option debug_boot_weak

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Message-ID: <20180516222628.GC25268@eros>
Date:   Thu, 17 May 2018 08:26:28 +1000
From:   "Tobin C. Harding" <me@...in.cc>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Anna-Maria Gleixner <anna-maria@...utronix.de>,
        Theodore Ts'o <tytso@....edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] vsprintf: Add command line option debug_boot_weak_hash

On Tue, May 15, 2018 at 08:29:47AM -0700, Randy Dunlap wrote:
> On 05/14/2018 09:38 PM, Tobin C. Harding wrote:
> 
> >  Documentation/admin-guide/kernel-parameters.txt |  8 ++++++++
> >  lib/vsprintf.c                                  | 18 ++++++++++++++++++
> >  2 files changed, 26 insertions(+)
> > 
> > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> > index 3b8032431585..c95dd6704592 100644
> > --- a/Documentation/admin-guide/kernel-parameters.txt
> > +++ b/Documentation/admin-guide/kernel-parameters.txt
> > @@ -748,6 +748,14 @@
> >  
> >  	debug		[KNL] Enable kernel debugging (events log level).
> >  
> > +	debug_boot_weak_hash
> > +			[KNL] Enable debugging early in the boot sequence.  If
> 
> That makes it sound like "debug_boot_weak_hash" turns on early debugging.

Thanks Randy, I'll have another go at writing this.


	Tobin