linux-kernel - Re: [RFC][PATCH] x86: Allow early_printk to use console style param like 115200n8

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20150705090513.GC30626@gmail.com>
Date:	Sun, 5 Jul 2015 11:05:13 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	David Cohen <david.a.cohen@...ux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Alan Cox <alan@...ux.intel.com>,
	"Stuart R. Anderson" <stuart.r.anderson@...el.com>
Subject: Re: [RFC][PATCH] x86: Allow early_printk to use console style param
 like 115200n8


* Steven Rostedt <rostedt@...dmis.org> wrote:

> On Sat, 4 Jul 2015 13:03:59 +0200
> Ingo Molnar <mingo@...nel.org> wrote:
> 
> 
> > > +		/*
> > > +		 * In case the input is like console with text after the baud
> > > +		 * rate. e.g. 115200n8. kstrtoul() will error on such input.
> > > +		 */
> > > +		for (p = s; *p && isdigit(*p); p++)
> > > +			;
> > > +		*p = 0;
> > > +
> > >  		if (kstrtoul(s, 0, &baud) < 0 || baud == 0)
> > >  			baud = DEFAULT_BAUD;
> > 
> >
> 
> This was actually one of those cases where I wanted to show that keeping the old 
> function around is better than the alternative ;-)
> 
> If people say we need to phase out simple_strtoull(), then I wanted to show what 
> kinds of hacks we will have if that happens.
> 
> I was hoping that someone would point out that simple_strtoull() is a better 
> solution. :)

LOL :)

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/