linux-kernel - Re: [PATCH V5 21/21] KVM: compat: riscv: Prevent KVM

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Date:   Tue, 1 Feb 2022 17:00:54 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Anup Patel <anup@...infault.org>, Guo Ren <guoren@...nel.org>
Cc:     Palmer Dabbelt <palmer@...belt.com>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        liush <liush@...winnertech.com>, Wei Fu <wefu@...hat.com>,
        Drew Fustini <drew@...gleboard.org>,
        Wang Junqiang <wangjunqiang@...as.ac.cn>,
        Christoph Hellwig <hch@....de>,
        linux-arch <linux-arch@...r.kernel.org>,
        "linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        linux-csky@...r.kernel.org, linux-s390@...r.kernel.org,
        sparclinux@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-parisc@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        x86@...nel.org, Guo Ren <guoren@...ux.alibaba.com>,
        kvm-riscv@...ts.infradead.org, KVM General <kvm@...r.kernel.org>
Subject: Re: [PATCH V5 21/21] KVM: compat: riscv: Prevent KVM_COMPAT from
 being selected

On 2/1/22 16:44, Anup Patel wrote:
> +Paolo
> 
> On Tue, Feb 1, 2022 at 8:38 PM <guoren@...nel.org> wrote:
>>
>> From: Guo Ren <guoren@...ux.alibaba.com>
>>
>> Current riscv doesn't support the 32bit KVM API. Let's make it
>> clear by not selecting KVM_COMPAT.
>>
>> Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
>> Signed-off-by: Guo Ren <guoren@...nel.org>
>> Cc: Arnd Bergmann <arnd@...db.de>
>> Cc: Anup Patel <anup@...infault.org>
> 
> This looks good to me.
> 
> Reviewed-by: Anup Patel <anup@...infault.org>

Hi Anup,

feel free to send this via a pull request (perhaps together with Mark 
Rutland's entry/exit rework).

Paolo