linux-kernel - Re: [3/6] kgdb: core

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Message-ID: <20080210092728.GA19252@elte.hu>
Date:	Sun, 10 Feb 2008 10:27:28 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@....com.au>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Wessel <jason.wessel@...driver.com>
Subject: Re: [3/6] kgdb: core


* Christoph Hellwig <hch@...radead.org> wrote:

> > i dont think so. Which ones do you mean? I just reviewed them and 
> > they are either already done, or moot (for kgdb complications that i 
> > objected to and removed from this kgdb-x86 tree).
> 
> The one I noticed quickly is the __ASSEMBLY__ removal from 
> asm-x86/kgdb.h. [...]

people might want to experiment with early debug code as well and 
include asm-x86/kgdb.h in assembly files. So i kept that, it's sensible. 

> [...]  I haven't looked at the serial bits because I don't think I'm 
> qualified to comment on those, but I'm also not seeing any replies to 
> any of his patches.  Especially the comments on the arch interface 
> seem like something that should be acted upon to me.

yeah - i also noticed that the serial subsystem is marked "orphaned" in 
the MAINTAINERS file:

 8250/16?50 (AND CLONE UARTS) SERIAL DRIVER
 L:      linux-serial@...r.kernel.org
 W:      http://serial.sourceforge.net
 S:      Orphan

and compared to the raw-lowlevel-serial-driver hackery that KGDB used to 
do this is a big step forward. Note that it's all dependent on 
CONFIG_KGDB.

	Ingo
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