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Re: [PATCH] Linux Kernel Markers 0.5 for Linux 2.6.17 (with probe management)
- From: Karim Yaghmour <karim at opersys dot com>
- To: Ingo Molnar <mingo at elte dot hu>
- Cc: Mathieu Desnoyers <compudj at krystal dot dyndns dot org>, Martin Bligh <mbligh at google dot com>, "Frank Ch. Eigler" <fche at redhat dot com>, Masami Hiramatsu <masami dot hiramatsu dot pt at hitachi dot com>, prasanna at in dot ibm dot com, Andrew Morton <akpm at osdl dot org>, Paul Mundt <lethal at linux-sh dot org>, linux-kernel <linux-kernel at vger dot kernel dot org>, Jes Sorensen <jes at sgi dot com>, Tom Zanussi <zanussi at us dot ibm dot com>, Richard J Moore <richardj_moore at uk dot ibm dot com>, Michel Dagenais <michel dot dagenais at polymtl dot ca>, Christoph Hellwig <hch at infradead dot org>, Greg Kroah-Hartman <gregkh at suse dot de>, Thomas Gleixner <tglx at linutronix dot de>, William Cohen <wcohen at redhat dot com>, ltt-dev at shafik dot org, systemtap at sources dot redhat dot com, Alan Cox <alan at lxorguk dot ukuu dot org dot uk>
- Date: Fri, 22 Sep 2006 04:14:35 -0400
- Subject: Re: [PATCH] Linux Kernel Markers 0.5 for Linux 2.6.17 (with probe management)
- Organization: Opersys inc.
- References: <20060921160009.GA30115@Krystal> <20060921160656.GA24774@elte.hu> <20060921214248.GA10097@Krystal> <20060922070714.GB4167@elte.hu>
- Reply-to: karim at opersys dot com
Ingo Molnar wrote:
> are you arguing that i'm trying to force breakpoint-based probing on
> you? I dont. In fact i explicitly mentioned that i'd accept and support
> a 5-byte NOP in the body of the marker, in the following mails:
Actually that won't work if the kernel runs directly from rom/flash
simply because it's not possible to do any form of binary editing
on the image, as is possible in the more common desktop or workstation
case where the kernel runs from ram.
Karim
--
President / Opersys Inc.
Embedded Linux Training and Expertise
www.opersys.com / 1.866.677.4546