linux-kernel - Re: [PATCH] x86/hyperv: Remove hv_vtl_early

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Message-ID: <20230921171408.GA26395@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
Date:   Thu, 21 Sep 2023 10:14:08 -0700
From:   Saurabh Singh Sengar <ssengar@...ux.microsoft.com>
To:     Mathias Krause <minipli@...ecurity.net>
Cc:     kys@...rosoft.com, haiyangz@...rosoft.com, wei.liu@...nel.org,
        decui@...rosoft.com, tglx@...utronix.de, mingo@...hat.com,
        bp@...en8.de, dave.hansen@...ux.intel.com, x86@...nel.org,
        hpa@...or.com, linux-hyperv@...r.kernel.org,
        linux-kernel@...r.kernel.org, mikelley@...rosoft.com,
        ssengar@...rosoft.com
Subject: Re: [PATCH] x86/hyperv: Remove hv_vtl_early_init initcall

On Thu, Sep 21, 2023 at 09:17:24AM +0200, Mathias Krause wrote:
> On 20.09.23 06:52, Saurabh Sengar wrote:
> > There has been cases reported where HYPERV_VTL_MODE is enabled by mistake,
> > on a non Hyper-V platforms. This causes the hv_vtl_early_init function to
> > be called in an non Hyper-V/VTL platforms which results the memory
> > corruption.
> > 
> > Remove the early_initcall for vhv_vtl_early_init and call it at the end of

vhv_vtl_early_init need to be replaced with hv_vtl_early_init here.

Wei,

Do you need a V2 for it ?

- Saurabh