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From: Ingo Molnar <mingo@kernel.org>
To: "Andy Lutomirski" <luto@kernel.org>,
	"Frédéric Weisbecker" <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	linux-kernel@vger.kernel.org, Brian Gerst <brgerst@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Borislav Petkov <bp@alien8.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	X86 ML <x86@kernel.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Subject: Re: [PATCH 0/3] perf: hw_breakpoint safety improvements
Date: Fri, 31 Jul 2015 10:10:31 +0200	[thread overview]
Message-ID: <20150731081031.GA13438@gmail.com> (raw)
In-Reply-To: <cover.1438312874.git.luto@kernel.org>


* Andy Lutomirski <luto@kernel.org> wrote:

> 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(-)

Looks good to me at first glance. Cc:-ed Frederic who wrote and maintains these 
bits. Frederic, what do you think?

Thanks,

	Ingo

  parent reply	other threads:[~2015-07-31  8:10 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-31  3:32 [PATCH 0/3] perf: hw_breakpoint safety improvements Andy Lutomirski
2015-07-31  3:32 ` [PATCH 1/3] x86/perf/hw_breakpoint: Disallow kernel breakpoints unless kprobe-safe Andy Lutomirski
2015-08-04  8:54   ` [tip:perf/core] perf/x86/hw_breakpoints: " tip-bot for Andy Lutomirski
2015-08-04 15:51   ` [PATCH 1/3] x86/perf/hw_breakpoint: " Frederic Weisbecker
2015-08-04 23:29     ` 平松雅巳 / HIRAMATU，MASAMI
2015-09-01 10:57       ` Frederic Weisbecker
2015-09-01 11:36         ` Peter Zijlstra
2015-09-01 11:41           ` Peter Zijlstra
2015-07-31  3:32 ` [PATCH 2/3] x86/perf/hw_breakpoint: Improve range breakpoint validation Andy Lutomirski
2015-08-04  8:54   ` [tip:perf/core] perf/x86/hw_breakpoints: " tip-bot for Andy Lutomirski
2015-07-31  3:32 ` [PATCH 3/3] x86/perf/hw_breakpoint: Fix check for kernelspace breakpoints Andy Lutomirski
2015-08-04  8:54   ` [tip:perf/core] perf/x86/hw_breakpoints: Fix check for kernel-space breakpoints tip-bot for Andy Lutomirski
2015-08-04 16:13   ` [PATCH 3/3] x86/perf/hw_breakpoint: Fix check for kernelspace breakpoints Frederic Weisbecker
2015-07-31  8:10 ` Ingo Molnar [this message]
2015-07-31  8:21 ` [PATCH 0/3] perf: hw_breakpoint safety improvements Peter Zijlstra

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