svn commit: r297806 - head/sys/amd64/vmm/amd

[Shawn Webb]

On Mon, Apr 11, 2016 at 05:09:44AM +0000, Anish Gupta wrote:
> Author: anish
> Date: Mon Apr 11 05:09:43 2016
> New Revision: 297806
> URL: https://svnweb.freebsd.org/changeset/base/297806
> 
> Log:
>   Allow guest writes to AMD microcode update[0xc0010020] MSR without updating actual hardware MSR. This allows guest microcode update to go through which otherwise failing because wrmsr() was returning EINVAL.

Pardon my ignorance, but does that mean that prior to this commit, a
bhyve guest on AMD could modify hardware?

Thanks,

-- 
Shawn Webb
HardenedBSD

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