linux-kernel - Re: [PATCH 1/2] Move the pt_regs_offset struct definition from arch to common include file

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Date:	Fri, 19 Jun 2015 14:19:43 +1000
From:	Michael Ellerman <mpe@...erman.id.au>
To:	David Long <dave.long@...aro.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Andy Lutomirski <luto@...capital.net>,
	Anton Blanchard <anton@...ba.org>,
	Behan Webster <behanw@...verseincode.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Eric Paris <eparis@...hat.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Ingo Molnar <mingo@...hat.com>,
	Jan Willeke <willeke@...ibm.com>,
	Kees Cook <keescook@...omium.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Nikolay Borisov <Nikolay.Borisov@....com>,
	Oleg Nesterov <oleg@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Richard Kuo <rkuo@...eaurora.org>,
	Robert Richter <rric@...nel.org>,
	Roland McGrath <roland@...k.frob.com>,
	Russell King <linux@....linux.org.uk>,
	Tejun Heo <tj@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Will Deacon <will.deacon@....com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-hexagon@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
	linux390@...ibm.com, linuxppc-dev@...ts.ozlabs.org, x86@...nel.org
Subject: Re: [PATCH 1/2] Move the pt_regs_offset struct definition from arch
 to common include file

On Mon, 2015-06-15 at 12:42 -0400, David Long wrote:
> From: "David A. Long" <dave.long@...aro.org>
> 
> The pt_regs_offset structure is used for HAVE_REGS_AND_STACK_ACCESS_API
>  feature and has identical definitions in four different arch ptrace.h
> include files. It seems unlikely that definition would ever need to be
> changed regardless of architecture so lets move it into
> include/linux/ptrace.h.
> 
> Signed-off-by: David A. Long <dave.long@...aro.org>
> ---
>  arch/powerpc/kernel/ptrace.c | 5 -----

Built and booted on powerpc, but is there an easy way to actually test the code
paths in question?

Acked-by: Michael Ellerman <mpe@...erman.id.au>

cheers


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