linux-kernel - [PATCH 0/2] jump label: update for .39

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Message-Id: <cover.1299702291.git.jbaron@redhat.com>
Date:	Wed, 9 Mar 2011 15:47:24 -0500
From:	Jason Baron <jbaron@...hat.com>
To:	peterz@...radead.org
Cc:	hpa@...or.com, mathieu.desnoyers@...ymtl.ca, rostedt@...dmis.org,
	mingo@...e.hu, tglx@...utronix.de, andi@...stfloor.org,
	roland@...hat.com, rth@...hat.com, masami.hiramatsu.pt@...achi.com,
	fweisbec@...il.com, avi@...hat.com, davem@...emloft.net,
	sam@...nborg.org, ddaney@...iumnetworks.com,
	michael@...erman.id.au, linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] jump label: update for .39

Hi,

Re-fresh of updates against latest -tip tree.

I've tried to split this update up somewhat, but I've only succeeded to split
out the dynamic debug bits. The interface changes and re-write are quite
intertwined.

I believe this update should address all the comments from the previous posting
except for Mathieu's request for a section of jump label pointers that point to
the jump label structures (since the compiler might leave gaps in the jump label
structures). I've got a prototype patch to address this issue but its somewhat
invasive, and thus I'd like to leave it as a follow-up item. I have to date,
not seen this issue in practice.

thanks,

-Jason


Jason Baron (2):
  jump label: introduce static_branch() interface
  dynamic debug: add jump label support

 arch/mips/include/asm/jump_label.h  |   22 +-
 arch/mips/kernel/jump_label.c       |    2 +-
 arch/sparc/include/asm/jump_label.h |   25 +-
 arch/x86/include/asm/alternative.h  |    3 +-
 arch/x86/include/asm/jump_label.h   |   26 +-
 arch/x86/kernel/alternative.c       |    2 +-
 arch/x86/kernel/jump_label.c        |    2 +-
 arch/x86/kernel/module.c            |    1 +
 include/asm-generic/vmlinux.lds.h   |   14 +-
 include/linux/dynamic_debug.h       |   44 +++-
 include/linux/jump_label.h          |   86 ++++---
 include/linux/jump_label_ref.h      |   44 ---
 include/linux/perf_event.h          |   26 +-
 include/linux/tracepoint.h          |   22 +-
 kernel/jump_label.c                 |  537 ++++++++++++++---------------------
 kernel/perf_event.c                 |    4 +-
 kernel/tracepoint.c                 |   23 +-
 lib/dynamic_debug.c                 |    4 +-
 18 files changed, 391 insertions(+), 496 deletions(-)
 delete mode 100644 include/linux/jump_label_ref.h

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