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Date: Mon, 10 Aug 2026 11:50:36 -0700
From: Wei Liu <wei.liu@kernel.org>
To: Wei Hu <weh@linux.microsoft.com>
Cc: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
	Long Li <longli@microsoft.com>, Wei Hu <weh@microsoft.com>,
	Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org,
	"H. Peter Anvin" <hpa@zytor.com>, Ard Biesheuvel <ardb@kernel.org>,
	Ilias Apalodimas <ilias.apalodimas@linaro.org>,
	Arnd Bergmann <arnd@arndb.de>, linux-efi@vger.kernel.org,
	linux-arch@vger.kernel.org
Subject: Re: [PATCH v2 12/13] hyperv: add MSHV Dom0 root-partition boot
 enablement (EFI HvLoader)
Message-ID: <20260810185036.GA2496954@liuwe-devbox-debian-v2.local>
References: <20260810124527.1409634-1-weh@linux.microsoft.com>
 <20260810124527.1409634-13-weh@linux.microsoft.com>
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In-Reply-To: <20260810124527.1409634-13-weh@linux.microsoft.com>

On Mon, Aug 10, 2026 at 12:45:06PM +0000, Wei Hu wrote:
> From: Wei Hu <weh@microsoft.com>
> 
> 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 <weh@microsoft.com>

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