linux-kernel - Re: [PATCH -tip perf/probes 0/2] x86 insn decoder bugfixes

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Message-ID: <4ADF1E0B.5010708@redhat.com>
Date:	Wed, 21 Oct 2009 10:43:23 -0400
From:	Masami Hiramatsu <mhiramat@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Frederic Weisbecker <fweisbec@...il.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Jim Keniston <jkenisto@...ibm.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	systemtap <systemtap@...rces.redhat.com>,
	DLE <dle-develop@...ts.sourceforge.net>
Subject: Re: [PATCH -tip perf/probes 0/2] x86 insn decoder bugfixes

Ingo Molnar wrote:
> 
> there's still build failures:
> 
>    TEST    posttest
>   Error: ffffffff8103b917:        c5 59 fc ff             vpaddb %xmm7,%xmm4,%xmm15
>   Error: objdump says 4 bytes, but insn_get_length() says 3 (attr:8000)
>   make[1]: *** [posttest] Error 2
>   make: *** [bzImage] Error 2

Aah, that's the AVX code...
I assume, random-data-byte-sequence in the kernel binary
contains it.

> config attached.

I'll try to reproduce and fix it.
Thank you!

-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhiramat@...hat.com

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