linux-kernel - Re: [PATCH 8/9] ARM: support uprobe handling

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Message-ID: <20121104101327.GZ21164@n2100.arm.linux.org.uk>
Date:	Sun, 4 Nov 2012 10:13:27 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Rabin Vincent <rabin@....in>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Peter Zijlstra <peterz@...radead.org>,
	Jon Medhurst <tixy@...t.co.uk>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>, oleg@...hat.com
Subject: Re: [PATCH 8/9] ARM: support uprobe handling

On Sun, Oct 14, 2012 at 09:23:12PM +0200, Rabin Vincent wrote:
> Extend the kprobes code to handle user-space probes.  Much of the code
> can be reused so currently the ARM uprobes code reuses the kprobes
> structures.  The decode tables are reused, with the modification that
> for those instruction that require custom decoding for uprobes, a new
> element is added in the table to specify a custom decoder function.

How are accesses to userspace handled by the kprobes code?  Please point
me to where these accesses are performed.
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