linux-kernel - Re: [PATCH] serial: DCC(JTAG) serial and console emulation support

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]

Date:	Thu, 07 Oct 2010 14:50:50 -0700
From:	Daniel Walker <dwalker@...eaurora.org>
To:	Mike Frysinger <vapier@...too.org>
Cc:	linux-kernel@...r.kernel.org,
	"Hyok S. Choi" <hyok.choi@...sung.com>,
	Tony Lindgren <tony@...mide.com>,
	Jeff Ohlstein <johlstei@...cinc.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Ben Dooks <ben-linux@...ff.org>,
	Alan Cox <alan@...ux.intel.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Feng Tang <feng.tang@...el.com>,
	Tobias Klauser <tklauser@...tanz.ch>,
	Jason Wessel <jason.wessel@...driver.com>,
	Philippe Langlais <philippe.langlais@...ricsson.com>
Subject: Re: [PATCH] serial: DCC(JTAG) serial and console emulation support

On Thu, 2010-10-07 at 17:32 -0400, Mike Frysinger wrote:

> > Ideally you would want this driver to work in any situation .. If it's
> > setup to use ttyS0 for debugging, even if it doesn't exist, then this
> > driver would be able to stand in for that interface.
> 
> i dont think that's the case.  "any situation" is way too vague and
> invites mounds of crap to be included in the kernel which really
> should be in userspace.  ive never had a problem with my embedded work
> using ttyBF# or ttyBFJC# or ttySS# for the Blackfin serial devices,
> nor have i heard customers complain that the file absolutely must be
> named "ttyS#".  ive found that simply informing them "to use ttyBF#"
> has always been sufficient.
> -mike

It's kind of a "your milage may vary" situation .. From my perspective
it doesn't hurt anything to have an exception for this, considering what
it is used for.

Daniel

-- 

Sent by a consultant of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.

--
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/