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From: Steven Rostedt <rostedt@goodmis.org>
To: David Daney <ddaney@caviumnetworks.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Jason Baron <jbaron@redhat.com>,
	David Miller <davem@davemloft.net>
Subject: Re: [PATCH 8/9] jump label: Make arch_jump_label_text_poke_early() optional
Date: Fri, 15 Oct 2010 21:08:47 -0400	[thread overview]
Message-ID: <1287191327.16971.6.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <4CB8C9D1.1050106@caviumnetworks.com>

On Fri, 2010-10-15 at 14:38 -0700, David Daney wrote:
> On 10/15/2010 02:35 PM, Steven Rostedt wrote:
> > On Fri, 2010-10-15 at 14:22 -0700, David Daney wrote:
> >
> >> Really the SPARC code (and any architectures added in the future with a
> >> well defined optimal NOP) should be doing nothing here as well.
> >>
> >> So I could turn the question around and ask:  How many empty definitions
> >> of this thing do you want in the tree?
> >>
> >> I will defer to Steven.  If he wants to push the empty stubs into all
> >> the architectures, I will update the MIPS patch and he can remove/revert
> >> the 'jump label: Make arch_jump_label_text_poke_early() optional' patch.
> >>
> >> Let me know which option you would prefer.
> >
> > On IRC, Thomas Gleixner mentioned a better solution (something I've done
> > with ftrace). Just add a "weak" stub function. No need to get Kconfig
> > involved.
> >
> 
> Do you want to write that patch, or shall I?

I can do it since I need to clean up some of the patch set anyway.

-- Steve



  reply	other threads:[~2010-10-16  1:08 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-15 20:09 [PATCH 0/9] [GIT PULL] jump label: various updates Steven Rostedt
2010-10-15 20:09 ` [PATCH 1/9] jump label/x86: Move arch_init_ideal_nop5 later Steven Rostedt
2010-10-15 20:09 ` [PATCH 2/9] tracing/x86: No need to disable interrupts when calling arch_init_ideal_nop5 Steven Rostedt
2010-10-15 20:09 ` [PATCH 3/9] jump label: Fix module __init section race Steven Rostedt
2010-10-16  2:09   ` Steven Rostedt
2010-10-16  6:23     ` Ingo Molnar
2010-10-16 16:23       ` Steven Rostedt
2010-10-18 14:14         ` Jason Baron
2010-10-15 20:09 ` [PATCH 4/9] jump label: Fix deadlock b/w jump_label_mutex vs. text_mutex Steven Rostedt
2010-10-15 20:55   ` Peter Zijlstra
2010-10-16  2:16     ` Steven Rostedt
2010-10-16  2:25     ` Steven Rostedt
2010-10-16  4:21       ` Steven Rostedt
2010-10-15 20:09 ` [PATCH 5/9] jump label: Add register_jump_label_key/unregister_jump_label_key Steven Rostedt
2010-10-15 20:58   ` Peter Zijlstra
2010-10-16  2:11     ` Steven Rostedt
2010-10-15 21:03   ` Peter Zijlstra
2010-10-15 21:09     ` Steven Rostedt
2010-10-15 21:13       ` Peter Zijlstra
2010-10-18 12:05         ` Peter Zijlstra
2010-10-18 14:03           ` Jason Baron
2010-10-18 14:07             ` Peter Zijlstra
2010-10-15 20:09 ` [PATCH 6/9] jump label: Move jump table to r/w section Steven Rostedt
2010-10-15 20:09 ` [PATCH 7/9] jump label: Add docs Steven Rostedt
2010-10-15 20:09 ` [PATCH 8/9] jump label: Make arch_jump_label_text_poke_early() optional Steven Rostedt
2010-10-15 21:06   ` Peter Zijlstra
2010-10-15 21:08     ` Steven Rostedt
2010-10-15 21:22       ` David Daney
2010-10-15 21:35         ` Steven Rostedt
2010-10-15 21:38           ` David Daney
2010-10-16  1:08             ` Steven Rostedt [this message]
2010-10-30 10:40   ` [tip:perf/urgent] " tip-bot for Steven Rostedt
2010-10-15 20:09 ` [PATCH 9/9] jump label: Add MIPS support Steven Rostedt
2010-10-15 20:17 ` [PATCH 0/9] [GIT PULL] jump label: various updates Steven Rostedt
2010-10-16  1:10 ` Steven Rostedt
  -- strict thread matches above, loose matches on Subject: below --
2010-10-04 18:56 [PATCH v2 0/2] jump label: Add MIPS architecture support David Daney
2010-10-04 18:56 ` [PATCH v2 1/2] jump label: Make arch_jump_label_text_poke_early() optional David Daney
2010-10-04 18:56 ` [PATCH v2 2/2] jump label: Add MIPS support David Daney
2010-10-06 23:00   ` Ralf Baechle
2010-10-07  1:26     ` David Daney

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