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[Xen-devel] [PATCH] Add opcode 0x3B in xen/hvm/platform.c

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Subject: [Xen-devel] [PATCH] Add opcode 0x3B in xen/hvm/platform.c
From: "Petersson, Mats" <Mats.Petersson@xxxxxxx>
Date: Mon, 10 Apr 2006 22:47:00 +0200
Delivery-date: Mon, 10 Apr 2006 13:47:40 -0700
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Thread-topic: [PATCH] Add opcode 0x3B in xen/hvm/platform.c
When running test 5 in Memtest86+ v1.65, I got a "this opcode is not
supported", so I decided to add it. It's a compare operation, and it's
just the opposite of the already supported one (opcode 0x39), so it's
nothing spectacular. Why there's a page-fault when this instruction gets
executed, I haven't got a clue, but I have a feeling that Memtest86 is
doing something wrong :-( However, this fix may help some other code to
run too...

With this, Test 5 passes all the way through without crashing. I did see
some occassional memory errors in some other tests, and I'm not 100%
sure whether those are caused by the system or they are "real" memory
errors. At some time in the future I may get round to memory testing my
target system... 

Applies cleanly to 9594. 

Signed off by: Mats Petersson (mats.petersson@xxxxxxx). 


Attachment: patch
Description: patch

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