Re: [RFC,05/10] x86/speculation: Add basic IBRS support infrastructure

From: Borislav Petkov
Date: Wed Jan 31 2018 - 06:52:28 EST


On Wed, Jan 31, 2018 at 11:04:07AM +0000, Dr. David Alan Gilbert wrote:
> That half is the easy bit, we've already got that (thanks to Eduardo),
> QEMU has -IBRS variants of CPU types, so if you start a VM with
> -cpu Broadwell-IBRS

Eww, a CPU model with a specific feature bit. I hope you guys don't add
a model like that for every CPU feature.

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Boris.

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