linux-kernel - Re: [PATCH 11/X] uprobes: x86: introduce xol_was

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Message-ID: <20111024160732.GA19659@redhat.com>
Date:	Mon, 24 Oct 2011 18:07:32 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linux-mm <linux-mm@...ck.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jonathan Corbet <corbet@....net>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Hugh Dickins <hughd@...gle.com>,
	Christoph Hellwig <hch@...radead.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
	Roland McGrath <roland@...k.frob.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 11/X] uprobes: x86: introduce xol_was_trapped()

On 10/24, Srikar Dronamraju wrote:
>
> > diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h
> > index 1c30cfd..f0fbdab 100644
> > --- a/arch/x86/include/asm/uprobes.h
> > +++ b/arch/x86/include/asm/uprobes.h
> > @@ -39,6 +39,7 @@ struct uprobe_arch_info {
> >
> >  struct uprobe_task_arch_info {
> >  	unsigned long saved_scratch_register;
> > +	unsigned long saved_trap_no;
> >  };
> >  #else
> >  struct uprobe_arch_info {};
>
>
> one nit
> I had to add saved_trap_no to #else part (i.e uprobe_arch_info ).

Yes, thanks, I didn't notice this is for X86_64 only.

And just in case, please feel free to rename/redo/whatever.

Oleg.

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