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From: "H. Peter Anvin" <hpa@zytor.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Jason Baron <jbaron@redhat.com>,
	Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: [PATCH 0/5 v2] [GIT PULL] x86/jump label: Paranoid checks and 2 or 5 byte nops
Date: Thu, 02 Feb 2012 06:10:40 -0800	[thread overview]
Message-ID: <4F2A9960.2090500@zytor.com> (raw)
In-Reply-To: <20120202135154.GA10315@elte.hu>

On 02/02/2012 05:51 AM, Ingo Molnar wrote:
> [    0.000000] Unexpected op at enqueue_task_fair+0xab/0x1fb [ffffffff81078a8d] (0f 1f 44 00 00) arch/x86/kernel/jump_label.c:74

So this is presumably the expected NOP... what was it expecting instead?

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.


  reply	other threads:[~2012-02-02 14:11 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-28 16:09 [PATCH 0/5 v2] [GIT PULL] x86/jump label: Paranoid checks and 2 or 5 byte nops Steven Rostedt
2012-01-28 16:09 ` [PATCH 1/5 v2] x86/jump-label: Use best default nops for inital jump label calls Steven Rostedt
2012-01-28 16:09 ` [PATCH 2/5 v2] x86/jump-label: Do not bother updating nops if they are correct Steven Rostedt
2012-01-28 16:09 ` [PATCH 3/5 v2] x86/jump-label: Add safety checks to jump label conversions Steven Rostedt
2012-01-28 16:09 ` [PATCH 4/5 v2] jump labels: Add infrastructure to update jump labels at compile time Steven Rostedt
2012-01-28 16:09 ` [PATCH 5/5 v2] x86/jump labels: Use etiher 5 byte or 2 byte jumps Steven Rostedt
2012-01-30 14:48 ` [PATCH 0/5 v2] [GIT PULL] x86/jump label: Paranoid checks and 2 or 5 byte nops Ingo Molnar
2012-01-30 15:07   ` Steven Rostedt
2012-01-31 19:48     ` Ingo Molnar
2012-02-01  5:08       ` Steven Rostedt
2012-02-01  8:05         ` Ingo Molnar
2012-02-01 13:20           ` Steven Rostedt
2012-02-01 15:21           ` Steven Rostedt
2012-02-02 13:51             ` Ingo Molnar
2012-02-02 14:10               ` H. Peter Anvin [this message]
2012-02-02 14:31                 ` Steven Rostedt
2012-02-02 22:04                   ` Steven Rostedt
2012-02-02 22:07                     ` H. Peter Anvin
2012-02-02 22:53                       ` Steven Rostedt
2012-02-03  7:36                   ` Ingo Molnar
2012-02-03 13:31                     ` Steven Rostedt
2012-02-05 11:47                       ` Ingo Molnar

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