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Re: [PATCH -tip perf/probes 0/2] x86 insn decoder bugfixes
- From: Masami Hiramatsu <mhiramat at redhat dot com>
- To: Ingo Molnar <mingo at elte dot hu>
- Cc: Frederic Weisbecker <fweisbec at gmail dot com>, lkml <linux-kernel at vger dot kernel dot org>, Jim Keniston <jkenisto at us dot ibm dot com>, "H. Peter Anvin" <hpa at zytor dot com>, systemtap <systemtap at sources dot redhat dot com>, DLE <dle-develop at lists dot sourceforge dot net>
- Date: Wed, 21 Oct 2009 10:43:23 -0400
- Subject: Re: [PATCH -tip perf/probes 0/2] x86 insn decoder bugfixes
- References: <20091020165518.4145.94115.stgit@dhcp-100-2-132.bos.redhat.com> <20091021112619.GA16586@elte.hu> <20091021122131.GA20626@elte.hu>
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@redhat.com