From: "H. Peter Anvin" <hpa@zytor.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Christoph Hellwig <hch@infradead.org>,
Gregory Haskins <ghaskins@novell.com>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
"William L. Irwin" <sparclinux@vger.kernel.org>,
Steven Rostedt <srostedt@redhat.com>
Subject: Re: [RFC PATCH 02/11] Add fastcall to do_IRQ for i386
Date: Mon, 07 Jan 2008 04:50:57 +0000 [thread overview]
Message-ID: <4781AFB1.6040807@zytor.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0801031246220.4826@gandalf.stny.rr.com>
Steven Rostedt wrote:
>
> On Thu, 3 Jan 2008, Mathieu Desnoyers wrote:
>> I would propose to try to see how we can #ifdef two different __mcount
>> assembly functions that would prepare the stack appropriately for each
>> REGPARM cases.
>
> I have to confess that I've been testing this mostly on x86_64, which
> doesn't have the troubles with REGPARM as i386 does. I'll need to
> investigate this a bit deeper on i386 alone.
>
I thought we had dropped support for the non-REGPARM case, so why don't
we just make it work for REGPARM and be done with it?
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Christoph Hellwig <hch@infradead.org>,
Gregory Haskins <ghaskins@novell.com>,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
"William L. Irwin" <sparclinux@vger.kernel.org>,
Steven Rostedt <srostedt@redhat.com>
Subject: Re: [RFC PATCH 02/11] Add fastcall to do_IRQ for i386
Date: Sun, 06 Jan 2008 20:50:57 -0800 [thread overview]
Message-ID: <4781AFB1.6040807@zytor.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0801031246220.4826@gandalf.stny.rr.com>
Steven Rostedt wrote:
>
> On Thu, 3 Jan 2008, Mathieu Desnoyers wrote:
>> I would propose to try to see how we can #ifdef two different __mcount
>> assembly functions that would prepare the stack appropriately for each
>> REGPARM cases.
>
> I have to confess that I've been testing this mostly on x86_64, which
> doesn't have the troubles with REGPARM as i386 does. I'll need to
> investigate this a bit deeper on i386 alone.
>
I thought we had dropped support for the non-REGPARM case, so why don't
we just make it work for REGPARM and be done with it?
-hpa
next prev parent reply other threads:[~2008-01-07 4:50 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-03 7:16 [RFC PATCH 00/11] mcount tracing utility Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 7:16 ` [RFC PATCH 01/11] Add basic support for gcc profiler instrumentation Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 8:31 ` Sam Ravnborg
2008-01-03 8:31 ` Sam Ravnborg
2008-01-03 14:03 ` Steven Rostedt
2008-01-03 14:03 ` Steven Rostedt
2008-01-03 9:21 ` [RFC PATCH 01/11] Add basic support for gcc profiler Ingo Molnar
2008-01-03 9:21 ` [RFC PATCH 01/11] Add basic support for gcc profiler instrumentation Ingo Molnar
2008-01-03 13:58 ` Steven Rostedt
2008-01-03 13:58 ` Steven Rostedt
2008-01-03 18:16 ` [RFC PATCH 01/11] Add basic support for gcc profiler Chris Wright
2008-01-03 18:16 ` [RFC PATCH 01/11] Add basic support for gcc profiler instrumentation Chris Wright
2008-01-03 18:16 ` Chris Wright
2008-01-03 19:15 ` Steven Rostedt
2008-01-03 19:15 ` Steven Rostedt
2008-01-03 19:15 ` Steven Rostedt
2008-01-03 19:17 ` Chris Wright
2008-01-03 19:17 ` [RFC PATCH 01/11] Add basic support for gcc profiler Chris Wright
2008-01-03 19:17 ` [RFC PATCH 01/11] Add basic support for gcc profiler instrumentation Chris Wright
2008-01-03 19:18 ` Jeremy Fitzhardinge
2008-01-03 19:18 ` Jeremy Fitzhardinge
2008-01-03 19:18 ` Jeremy Fitzhardinge
2008-01-03 13:58 ` Steven Rostedt
2008-01-03 16:01 ` [RFC PATCH 01/11] Add basic support for gcc profiler Daniel Walker
2008-01-03 16:01 ` [RFC PATCH 01/11] Add basic support for gcc profiler instrumentation Daniel Walker
2008-01-03 17:35 ` [RFC PATCH 01/11] Add basic support for gcc profiler Mathieu Desnoyers
2008-01-03 17:35 ` [RFC PATCH 01/11] Add basic support for gcc profiler instrumentation Mathieu Desnoyers
2008-01-03 17:55 ` Steven Rostedt
2008-01-03 17:55 ` Steven Rostedt
2008-01-03 7:16 ` [RFC PATCH 02/11] Add fastcall to do_IRQ for i386 Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 17:36 ` Mathieu Desnoyers
2008-01-03 17:36 ` Mathieu Desnoyers
2008-01-03 17:47 ` Steven Rostedt
2008-01-03 17:47 ` Steven Rostedt
2008-01-07 4:50 ` H. Peter Anvin [this message]
2008-01-07 4:50 ` H. Peter Anvin
2008-01-07 12:42 ` Steven Rostedt
2008-01-07 12:42 ` Steven Rostedt
2008-01-03 7:16 ` [RFC PATCH 03/11] Annotate core code that should not be traced Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 17:42 ` Mathieu Desnoyers
2008-01-03 17:42 ` Mathieu Desnoyers
2008-01-03 18:07 ` Steven Rostedt
2008-01-03 18:07 ` Steven Rostedt
2008-01-03 18:34 ` Mathieu Desnoyers
2008-01-03 18:34 ` Mathieu Desnoyers
2008-01-03 7:16 ` [RFC PATCH 04/11] i386: notrace annotations Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 17:52 ` Mathieu Desnoyers
2008-01-03 17:52 ` Mathieu Desnoyers
2008-01-03 7:16 ` [RFC PATCH 05/11] x86_64: " Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 7:16 ` [RFC PATCH 06/11] add notrace annotations to vsyscall Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 7:16 ` [RFC PATCH 07/11] mcount based trace in the form of a header file library Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 7:16 ` [RFC PATCH 08/11] tracer add debugfs interface Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 7:16 ` [RFC PATCH 09/11] mcount tracer output file Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 7:16 ` [RFC PATCH 10/11] mcount tracer show task comm and pid Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 17:56 ` Mathieu Desnoyers
2008-01-03 17:56 ` Mathieu Desnoyers
2008-01-06 15:37 ` Ingo Molnar
2008-01-06 15:37 ` Ingo Molnar
2008-01-07 4:45 ` Mathieu Desnoyers
2008-01-07 4:45 ` Mathieu Desnoyers
2008-01-09 16:45 ` Ingo Molnar
2008-01-09 16:45 ` Ingo Molnar
2008-01-03 7:16 ` [RFC PATCH 11/11] Add a symbol only trace output Steven Rostedt
2008-01-03 7:16 ` Steven Rostedt
2008-01-03 17:22 ` [RFC PATCH 00/11] mcount tracing utility Mathieu Desnoyers
2008-01-03 17:22 ` Mathieu Desnoyers
2008-01-03 17:42 ` Steven Rostedt
2008-01-03 17:42 ` Steven Rostedt
2008-01-03 18:05 ` Andi Kleen
2008-01-03 18:05 ` Andi Kleen
2008-01-04 6:42 ` Frank Ch. Eigler
2008-01-04 6:42 ` Frank Ch. Eigler
2008-01-08 20:35 ` Tim Bird
2008-01-08 20:35 ` Tim Bird
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