From: Masami Hiramatsu <mhiramat@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@elte.hu>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
lkml <linux-kernel@vger.kernel.org>,
systemtap <systemtap@sources.redhat.com>,
DLE <dle-develop@lists.sourceforge.net>,
Jim Keniston <jkenisto@us.ibm.com>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
Christoph Hellwig <hch@infradead.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Anders Kaseorg <andersk@ksplice.com>,
Tim Abbott <tabbott@ksplice.com>
Subject: Re: [RFC][ PATCH -tip v2 3/7] Kbuild: disable gcc crossjumping
Date: Fri, 17 Jul 2009 17:15:23 -0400 [thread overview]
Message-ID: <4A60E9EB.2090206@redhat.com> (raw)
In-Reply-To: <4A60E972.1060301@redhat.com>
Masami Hiramatsu wrote:
> Sam Ravnborg wrote:
>> On Sat, Jun 27, 2009 at 04:13:04PM -0400, Steven Rostedt wrote:
>>> A change like this requires an ACK from Sam Ravnborg.
>>>
>>> -- Steve
>> Overdue review...
>>
>> I do not know the gcc option so I cannot comment on theeffect of it.
>
> Thanks for comment. however, as far as I can see, I couldn't find
any inter-function jumps populated by crossjump optimization
> in the difference between binary with -fno-crossjump and without it.
> So I decided to drop this patch...
--
Masami Hiramatsu
Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division
e-mail: mhiramat@redhat.com
next prev parent reply other threads:[~2009-07-17 21:14 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-22 21:22 [RFC][ PATCH -tip v2 0/7] kprobes: Kprobes jump optimization support Masami Hiramatsu
2009-06-22 21:23 ` [RFC][ PATCH -tip v2 1/7] kprobes: use list instead of hlist for insn_pages Masami Hiramatsu
2009-06-22 21:23 ` [RFC][ PATCH -tip v2 2/7] kprobes: introducing generic insn_slot framework Masami Hiramatsu
2009-06-27 20:09 ` Steven Rostedt
2009-06-29 21:09 ` Masami Hiramatsu
2009-06-22 21:23 ` [RFC][ PATCH -tip v2 3/7] Kbuild: disable gcc crossjumping Masami Hiramatsu
2009-06-27 20:13 ` Steven Rostedt
2009-07-17 20:28 ` Sam Ravnborg
2009-07-17 21:13 ` Masami Hiramatsu
2009-07-17 21:15 ` Masami Hiramatsu [this message]
2009-07-17 21:19 ` Sam Ravnborg
2009-06-22 21:23 ` [RFC][ PATCH -tip v2 4/7] kprobes: kprobes jump optimization core Masami Hiramatsu
2009-06-23 12:58 ` Srikar Dronamraju
2009-06-23 13:11 ` Masami Hiramatsu
2009-06-22 21:23 ` [RFC][ PATCH -tip v2 5/7] kprobes: x86: cleanup save/restore registers Masami Hiramatsu
2009-06-22 21:23 ` [RFC][ PATCH -tip v2 6/7] kprobes: x86: support kprobes jump optimization on x86 Masami Hiramatsu
2009-06-22 21:23 ` [RFC][ PATCH -tip v2 7/7] kprobes: add documents of jump optimization Masami Hiramatsu
2009-06-23 11:42 ` [RFC][ PATCH -tip v2 0/7] kprobes: Kprobes jump optimization support Ingo Molnar
2009-06-23 14:06 ` Masami Hiramatsu
2009-06-23 19:40 ` Ingo Molnar
2009-06-23 21:54 ` Masami Hiramatsu
2009-06-23 22:08 ` Masami Hiramatsu
2009-06-23 12:09 ` Andi Kleen
2009-06-23 13:50 ` Masami Hiramatsu
2009-06-23 16:34 ` Andi Kleen
2009-06-23 17:28 ` Masami Hiramatsu
2009-06-23 20:37 ` Andi Kleen
2009-06-23 20:48 ` Masami Hiramatsu
2009-06-26 23:20 ` Masami Hiramatsu
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