linux-kernel - [PATCH 0/3] perf: hw_breakpoint safety improvements

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Message-Id: <cover.1438312874.git.luto@kernel.org>
Date:	Thu, 30 Jul 2015 20:32:39 -0700
From:	Andy Lutomirski <luto@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>, linux-kernel@...r.kernel.org
Cc:	Brian Gerst <brgerst@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Borislav Petkov <bp@...en8.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	X86 ML <x86@...nel.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Andy Lutomirski <luto@...nel.org>
Subject: [PATCH 0/3] perf: hw_breakpoint safety improvements

Hi, Peter-

Here are some baby steps toward eliminating nested NMIs.  What do
you think?

Andy Lutomirski (3):
  x86/perf/hw_breakpoint: Disallow kernel breakpoints unless kprobe-safe
  x86/perf/hw_breakpoint: Improve range breakpoint validation
  x86/perf/hw_breakpoint: Fix check for kernelspace breakpoints

 arch/x86/kernel/hw_breakpoint.c | 31 ++++++++++++++++++++++++++++++-
 include/linux/kprobes.h         |  2 ++
 kernel/kprobes.c                |  2 +-
 3 files changed, 33 insertions(+), 2 deletions(-)

-- 
2.4.3

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