ux-fb...@vger.kernel.org; linux-
> ker...@vger.kernel.org; Michael Kelley
> Cc: Wei Hu ; Dexuan Cui
> Subject: [PATCH] video: hyperv_fb: Fix the cache type when mapping the
> VRAM
>
> x86 Hyper-V used to essentially always overwrite the effective cache type of
> guest memory
On Wed, Nov 18, 2020 at 12:20:11AM +, Michael Kelley wrote:
> From: Dexuan Cui Sent: Tuesday, November 17, 2020 4:03
> PM
> >
> > x86 Hyper-V used to essentially always overwrite the effective cache type
> > of guest memory accesses to WB. This was problematic in cases where there
> > is a
From: Dexuan Cui Sent: Tuesday, November 17, 2020 4:03 PM
>
> x86 Hyper-V used to essentially always overwrite the effective cache type
> of guest memory accesses to WB. This was problematic in cases where there
> is a physical device assigned to the VM, since that often requires that
> the VM
x86 Hyper-V used to essentially always overwrite the effective cache type
of guest memory accesses to WB. This was problematic in cases where there
is a physical device assigned to the VM, since that often requires that
the VM should have control over cache types. Thus, on newer Hyper-V since
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