linux-kernel - Re: [PATCH v3 09/10] x86/hyperv: Remove hv_isolation_type_en

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Message-ID: <ff179294-b556-ab16-a884-10acaef456f4@gmail.com>
Date:   Thu, 24 Aug 2023 22:45:34 +0800
From:   Tianyu Lan <ltykernel@...il.com>
To:     Dexuan Cui <decui@...rosoft.com>, ak@...ux.intel.com,
        arnd@...db.de, bp@...en8.de, brijesh.singh@....com,
        dan.j.williams@...el.com, dave.hansen@...el.com,
        dave.hansen@...ux.intel.com, haiyangz@...rosoft.com, hpa@...or.com,
        jane.chu@...cle.com, kirill.shutemov@...ux.intel.com,
        kys@...rosoft.com, linux-hyperv@...r.kernel.org, luto@...nel.org,
        mingo@...hat.com, peterz@...radead.org, rostedt@...dmis.org,
        sathyanarayanan.kuppuswamy@...ux.intel.com, seanjc@...gle.com,
        tglx@...utronix.de, tony.luck@...el.com, wei.liu@...nel.org,
        Jason@...c4.com, nik.borisov@...e.com, mikelley@...rosoft.com
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, Tianyu.Lan@...rosoft.com,
        rick.p.edgecombe@...el.com, andavis@...hat.com, mheslin@...hat.com,
        vkuznets@...hat.com, xiaoyao.li@...el.com
Subject: Re: [PATCH v3 09/10] x86/hyperv: Remove hv_isolation_type_en_snp

On 8/24/2023 4:07 PM, Dexuan Cui wrote:
> In ms_hyperv_init_platform(), do not distinguish between a SNP VM with
> the paravisor and a SNP VM without the paravisor.
> 
> Replace hv_isolation_type_en_snp() with
> !ms_hyperv.paravisor_present && hv_isolation_type_snp().
> 
> The hv_isolation_type_en_snp() in drivers/hv/hv.c and
> drivers/hv/hv_common.c can be changed to hv_isolation_type_snp() since
> we know !ms_hyperv.paravisor_present is true there.
> 
> Signed-off-by: Dexuan Cui <decui@...rosoft.com>

Reviewed-by: Tianyu Lan <tiala@...rosoft.com>