linux-kernel - Re: [GIT PULL] please pull one bug fix for v4.4

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Date:	Sun, 13 Dec 2015 18:24:54 -0700
From:	Jeff Merkey <linux.mdb@...il.com>
To:	torvalds@...ux-foundation.org, LKML <linux-kernel@...r.kernel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Andy Lutomirski <luto@...capital.net>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, X86 ML <x86@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andy Lutomirski <luto@...nel.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Borislav Petkov <bp@...en8.de>, Jiri Olsa <jolsa@...nel.org>
Subject: Re: [GIT PULL] please pull one bug fix for v4.4

Raw commit address for the diff is:

https://github.com/jeffmerkey/linux/commit/e1d3c76814c839a835286843f0bca33b0c5d0dd8.diff


On 12/13/15, Jeff Merkey <linux.mdb@...il.com> wrote:
> Hi Linus,
>
> The following changes since commit
> 527e9316f8ec44bd53d90fb9f611fa7ffff52bb9:
>
>   Linux 4.4-rc4 (2015-12-06 15:43:12 -0800)
>
> are available in the git repository at:
>
>   https://github.com/jeffmerkey/linux/tree/fixes-for-linus
>
> hw_breakpoint.c:  fix INT1 recursion and system hard hang.
>
> Fixes a 13 year old bug in the int1 handler path that results in a
> hard system lockup is someone triggers an int1 breakpoint in the
> hardware and no perf event has been registered.   Prints a log message
> and sets the resume flag in x86 and x86_64 to prevent the system from
> locking up and gracefully prints a rate limited message.
>
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