From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Mel Gorman <mel@csn.ul.ie>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Jim Keniston <jkenisto@linux.vnet.ibm.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 1/10] Move Macro W to insn.h
Date: Mon, 22 Mar 2010 11:54:50 +0530 [thread overview]
Message-ID: <20100322062450.GD30463@linux.vnet.ibm.com> (raw)
In-Reply-To: <4BA4EEAE.10202@redhat.com>
* Masami Hiramatsu <mhiramat@redhat.com> [2010-03-20 11:50:06]:
> Srikar Dronamraju wrote:
> > Move Macro W to asm/insn.h
> >
> > Macro W used to know if the instructions are valid for
> > user-space/kernel space. This macro is used by kprobes and
> > user_bkpt. (i.e user space breakpoint assistance layer.) So moving it
> > to a common header file asm/insn.h.
>
> Hmm, I don't think this shortest macro name is good to expose
> commonly... And also, since we already have inat (instruction
> attribute) table, we'd better expand an inat bit to indicate
> which instruction can be probed/boosted.
>
Guess we would need three bits,
- Instruction can be probed in kernel.
- Instruction can be probed in user space.
- Instruction can be boosted.
Or do you have other ideas?
--
Thanks and Regards
Srikar
next prev parent reply other threads:[~2010-03-22 6:24 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-20 14:24 [PATCH v1 0/10] Uprobes patches Srikar Dronamraju
2010-03-20 14:25 ` [PATCH v1 1/10] Move Macro W to insn.h Srikar Dronamraju
2010-03-20 15:50 ` Masami Hiramatsu
2010-03-22 6:24 ` Srikar Dronamraju [this message]
2010-03-22 14:11 ` Masami Hiramatsu
2010-03-20 14:25 ` [PATCH v1 2/10] Move replace_page() to mm/memory.c Srikar Dronamraju
2010-03-20 14:25 ` [PATCH v1 3/10] Enhance replace_page() to support pagecache Srikar Dronamraju
2010-03-20 14:25 ` [PATCH v1 4/10] User Space Breakpoint Assistance Layer Srikar Dronamraju
2010-03-23 1:40 ` Andrew Morton
2010-03-23 4:48 ` Randy Dunlap
2010-03-23 11:26 ` Srikar Dronamraju
2010-03-20 14:25 ` [PATCH v1 5/10] X86 details for user space breakpoint assistance Srikar Dronamraju
2010-03-20 14:26 ` [PATCH v1 6/10] Slot allocation for Execution out of line Srikar Dronamraju
2010-03-20 14:26 ` [PATCH v1 7/10] Uprobes Implementation Srikar Dronamraju
2010-03-23 11:01 ` Peter Zijlstra
2010-03-23 11:04 ` Peter Zijlstra
2010-03-23 12:23 ` Srikar Dronamraju
2010-03-23 13:46 ` Peter Zijlstra
2010-03-23 14:20 ` Masami Hiramatsu
2010-03-23 15:15 ` Peter Zijlstra
2010-03-23 17:36 ` Masami Hiramatsu
2010-03-24 10:22 ` Srikar Dronamraju
2010-03-23 15:05 ` Ananth N Mavinakayanahalli
2010-03-23 15:15 ` Peter Zijlstra
2010-03-23 15:26 ` Frank Ch. Eigler
2010-03-24 5:59 ` Ananth N Mavinakayanahalli
2010-03-24 7:58 ` Srikar Dronamraju
2010-03-24 13:00 ` Peter Zijlstra
2010-03-25 7:56 ` Srikar Dronamraju
2010-03-25 8:41 ` Srikar Dronamraju
2010-03-20 14:26 ` [PATCH v1 8/10] X86 details for uprobes Srikar Dronamraju
2010-03-20 14:26 ` [PATCH v1 9/10] Uprobes Documentation patch Srikar Dronamraju
2010-03-22 3:00 ` Randy Dunlap
2010-03-22 5:34 ` Srikar Dronamraju
2010-03-22 14:51 ` Randy Dunlap
2010-03-20 14:26 ` [PATCH v1 10/10] Uprobes samples Srikar Dronamraju
2010-03-23 1:38 ` [PATCH v1 0/10] Uprobes patches Andrew Morton
2010-03-23 10:55 ` Srikar Dronamraju
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