Re: [PATCH v2 12/13] hyperv: add MSHV Dom0 root-partition boot enablement (EFI HvLoader)

Wei Liu <[email protected]> Mon, 10 Aug 2026 11:50:36 -0700

Newsgroups	org.kernel.vger.linux-hyperv,org.kernel.vger.linux-arch,org.kernel.vger.linux-efi,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

On Mon, Aug 10, 2026 at 12:45:06PM +0000, Wei Hu wrote:
> From: Wei Hu <[email protected]>
> 
> Port the EFI HvLoader protocol handshake (efi-mshv stub + SETUP_MSHV) and
> the hyperv_resvd_new memory reservation so an upstream kernel can boot as
> a Microsoft Hypervisor (MSHV) root partition. Mainline lacks this
> Linux-side enablement, so lxhvloader declines to hand off a stock kernel
> as root.
> 
> Signed-off-by: Wei Hu <[email protected]>

This patch should be dropped from this series.

I don't think we should modify the EFI stub yet. We should explore other
methods first.

Thanks,
Wei