linux-kernel - Re: [PATCH 1/3] arch/tile: implement user

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Message-ID: <50CF510E.6050406@tilera.com>
Date:	Mon, 17 Dec 2012 12:06:22 -0500
From:	Chris Metcalf <cmetcalf@...era.com>
To:	Simon Marchi <simon.marchi@...ymtl.ca>
CC:	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] arch/tile: implement user_regset interface on tilegx

On 12/14/2012 11:34 PM, Simon Marchi wrote:
> This is an implementation of user_regset for the tilegx architecture. It
> reuses the basic blocks that were already there.

Thanks, Simon!  A couple of comments:

I encourage you to respin this for tilepro as well as tilegx, since it's going to be trivial to make it happen.  Just take away all yours ifdefs, and use #include <arch/chip.h> and CHIP_ARCH_NAME instead of the string "tilegx".  It's worth it just to avoid the ifdefs in the code :-)

I think with this support added, we have all the prerequisites to add "select HAVE_ARCH_TRACEHOOK" under "config TILE" in arch/tile/Kconfig, so we might as well do that too.  That will enable PTRACE_GETREGSET and PTRACE_SETREGSET, as well as /proc/PID/syscall, so why not?

-- 
Chris Metcalf, Tilera Corp.
http://www.tilera.com

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