linux-kernel - Re: [RFC] [PATCH 5/7] X86 Support for Uprobes

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Date:	Thu, 14 Jan 2010 12:13:51 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	utrace-devel <utrace-devel@...hat.com>,
	Jim Keniston <jkenisto@...ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Maneesh Soni <maneesh@...ibm.com>,
	Mark Wielaard <mjw@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] [PATCH 5/7] X86 Support for Uprobes

On Mon, 2010-01-11 at 17:55 +0530, Srikar Dronamraju wrote:
> [PATCH] x86 support for Uprobes

So uhm,.. HAVE_UPROBE is basically HAVE_UBP?

> Signed-off-by: Jim Keniston <jkenisto@...ibm.com>
> ---
>  arch/x86/Kconfig               |    1 +
>  arch/x86/include/asm/uprobes.h |   27 +++++++++++++++++++++++++++
>  2 files changed, 28 insertions(+)
> 
> Index: new_uprobes.git/arch/x86/Kconfig
> ===================================================================
> --- new_uprobes.git.orig/arch/x86/Kconfig
> +++ new_uprobes.git/arch/x86/Kconfig
> @@ -51,6 +51,7 @@ config X86
>  	select HAVE_KERNEL_LZMA
>  	select HAVE_HW_BREAKPOINT
>  	select HAVE_UBP
> +	select HAVE_UPROBES
>  	select HAVE_ARCH_KMEMCHECK
>  	select HAVE_USER_RETURN_NOTIFIER
>  
> Index: new_uprobes.git/arch/x86/include/asm/uprobes.h
> ===================================================================
> --- /dev/null
> +++ new_uprobes.git/arch/x86/include/asm/uprobes.h
> @@ -0,0 +1,27 @@
> +#ifndef _ASM_UPROBES_H
> +#define _ASM_UPROBES_H
> +/*
> + *  Userspace Probes (UProbes)
> + *  uprobes.h
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
> + *
> + * Copyright (C) IBM Corporation, 2008, 2009
> + */
> +#include <linux/signal.h>
> +
> +#define BREAKPOINT_SIGNAL SIGTRAP
> +#define SSTEP_SIGNAL SIGTRAP
> +#endif				/* _ASM_UPROBES_H */


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