linux-kernel - Re: [PATCH v5 6/14] Uprobes Implementation

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Message-Id: <20100614072706.d29f3cbd.randy.dunlap@oracle.com>
Date:	Mon, 14 Jun 2010 07:27:06 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Mel Gorman <mel@....ul.ie>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Roland McGrath <roland@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Christoph Hellwig <hch@...radead.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Mark Wielaard <mjw@...hat.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCH v5 6/14] Uprobes Implementation

On Mon, 14 Jun 2010 13:59:03 +0530 Srikar Dronamraju wrote:

> diff --git a/arch/Kconfig b/arch/Kconfig
> index 16541af..995f7f2 100644
> --- a/arch/Kconfig
> +++ b/arch/Kconfig
> @@ -58,6 +58,16 @@ config USER_BKPT
>  	  This service is used by components such as uprobes.
>  	  If in doubt, say "N".
>  
> +config UPROBES
> +	bool "User-space probes (EXPERIMENTAL)"
> +	depends on MODULES && USER_BKPT_XOL

depends on having CONFIG_MODULES enabled.  Please explain.


> +	depends on HAVE_UPROBES
> +	help
> +	  Uprobes enables kernel modules to establish probepoints
> +	  in user applications and execute handler functions when
> +	  the probepoints are hit. For more information, refer to
> +	  Documentation/uprobes.txt. If in doubt, say "N".
> +
>  config HAVE_EFFICIENT_UNALIGNED_ACCESS
>  	bool
>  	help


---
~Randy
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