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Re: [Xen-devel] [PATCH v11 5/5] x86emul: Raise #UD when emulating an unimplemented instruction.
- To: Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
- Date: Mon, 18 Sep 2017 08:25:00 +0000
- Accept-language: en-US
- Cc: "sstabellini@xxxxxxxxxx" <sstabellini@xxxxxxxxxx>, "wei.liu2@xxxxxxxxxx" <wei.liu2@xxxxxxxxxx>, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>, "rcojocaru@xxxxxxxxxxxxxxx" <rcojocaru@xxxxxxxxxxxxxxx>, "George.Dunlap@xxxxxxxxxxxxx" <George.Dunlap@xxxxxxxxxxxxx>, "andrew.cooper3@xxxxxxxxxx" <andrew.cooper3@xxxxxxxxxx>, "ian.jackson@xxxxxxxxxxxxx" <ian.jackson@xxxxxxxxxxxxx>, "tim@xxxxxxx" <tim@xxxxxxx>, "paul.durrant@xxxxxxxxxx" <paul.durrant@xxxxxxxxxx>, "tamas@xxxxxxxxxxxxx" <tamas@xxxxxxxxxxxxx>, "jbeulich@xxxxxxxx" <jbeulich@xxxxxxxx>
- Delivery-date: Mon, 18 Sep 2017 08:25:13 +0000
- Dlp-product: dlpe-windows
- Dlp-reaction: no-action
- Dlp-version: 11.0.0.116
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
- Thread-index: AQHTK9P1W+OOf0Omk0Oj8cdgcQZH/aK6V15A
- Thread-topic: [PATCH v11 5/5] x86emul: Raise #UD when emulating an unimplemented instruction.
> From: Petre Pircalabu [mailto:ppircalabu@xxxxxxxxxxxxxxx]
> Sent: Tuesday, September 12, 2017 10:32 PM
>
> Modified the behavior of hvm_emulate_one_insn and
> vmx_realmode_emulate_one to generate an Invalid Opcode trap when
> X86EMUL_UNIMPLEMENTED is returned by the emulator instead of just
> crashing the domain.
>
> Signed-off-by: Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
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