From: "H. Peter Anvin" <hpa@zytor.com>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 2/3] x86: Remove cmpxchg from i386 NMI nesting code
Date: Sun, 10 Jun 2012 20:17:03 -0700 [thread overview]
Message-ID: <a74922ac-af09-4d3b-8a78-d5778cc29ba2@email.android.com> (raw)
In-Reply-To: <alpine.LFD.2.00.1206110406530.29081@eddie.linux-mips.org>
libx86 is used for this. Of course, when you interpret you can also record...
"Maciej W. Rozycki" <macro@linux-mips.org> wrote:
>On Sun, 10 Jun 2012, H. Peter Anvin wrote:
>
>> Just use a VM or a simulator.
>
> That wasn't completely serious ;) -- however thanks for the hint. I
>wonder actually if any piece of software would let the code run in a
>"pass-through" mode and record what I/O accesses went past. I reckon
>DOSEMU used to support that (and running the VGA BIOS) -- but that
>piece
>did indeed require vm86. Then the sequence recorded could be replayed
>natively.
>
> Thanks for the food for thought! :)
>
> Maciej
--
Sent from my mobile phone. Please excuse brevity and lack of formatting.
next prev parent reply other threads:[~2012-06-11 3:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-08 13:52 [PATCH 0/3] [GIT PULL][3.6] x86: cr2 and cmpxchg issues of NMI Steven Rostedt
2012-06-08 13:52 ` [PATCH 1/3] x86: Save cr2 in NMI in case NMIs take a page fault Steven Rostedt
2012-06-08 13:52 ` [PATCH 2/3] x86: Remove cmpxchg from i386 NMI nesting code Steven Rostedt
2012-06-08 16:10 ` H. Peter Anvin
2012-06-08 16:41 ` Steven Rostedt
2012-06-08 17:28 ` H. Peter Anvin
2012-06-08 17:36 ` Steven Rostedt
2012-06-08 17:39 ` H. Peter Anvin
2012-06-08 17:52 ` Steven Rostedt
2012-06-08 18:04 ` H. Peter Anvin
2012-06-08 18:09 ` Borislav Petkov
2012-06-11 0:25 ` Maciej W. Rozycki
2012-06-11 2:23 ` H. Peter Anvin
2012-06-11 3:14 ` Maciej W. Rozycki
2012-06-11 3:17 ` H. Peter Anvin [this message]
2012-06-08 13:52 ` [PATCH 3/3] x86: Save cr2 in NMI in case NMIs take a page fault (for i386) Steven Rostedt
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