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From: Guo Ren <guoren@kernel.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Palmer Dabbelt <palmer@dabbelt.com>,
	Anup Patel <anup@brainfault.org>,
	 gregkh <gregkh@linuxfoundation.org>,
	liush <liush@allwinnertech.com>,  Wei Fu <wefu@redhat.com>,
	Drew Fustini <drew@beagleboard.org>,
	 Wang Junqiang <wangjunqiang@iscas.ac.cn>,
	Christoph Hellwig <hch@lst.de>,
	 Christoph Hellwig <hch@infradead.org>,
	 Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	 linux-riscv <linux-riscv@lists.infradead.org>,
	linux-csky@vger.kernel.org,
	 linux-s390 <linux-s390@vger.kernel.org>,
	sparclinux <sparclinux@vger.kernel.org>,
	 linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	inux-parisc@vger.kernel.org,
	 "open list:BROADCOM NVRAM DRIVER" <linux-mips@vger.kernel.org>,
	 Linux ARM <linux-arm-kernel@lists.infradead.org>,
	 "the arch/x86 maintainers" <x86@kernel.org>,
	Guo Ren <guoren@linux.alibaba.com>
Subject: Re: [PATCH V3 17/17] KVM: compat: riscv: Prevent KVM_COMPAT from being selected
Date: Fri, 21 Jan 2022 14:35:52 +0800	[thread overview]
Message-ID: <CAJF2gTTCwOiTPJO1B6Asa2NUNR0D624t26nnA8S4vrSSax8R-Q@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a1_qwRpfHRyF75WEqfxGxgVnfB15vNS-egQctx7R5-DvA@mail.gmail.com>

On Thu, Jan 20, 2022 at 6:32 PM Arnd Bergmann <arnd@arndb.de> wrote:
>
> On Thu, Jan 20, 2022 at 8:39 AM <guoren@kernel.org> wrote:
> >
> > From: Guo Ren <guoren@linux.alibaba.com>
> >
> > Current riscv doesn't support the 32bit KVM/arm API. Let's make it
> > clear by not selecting KVM_COMPAT.
> >
> > Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
> > ---
> >  virt/kvm/Kconfig | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
> > index f4834c20e4a6..a8c5c9f06b3c 100644
> > --- a/virt/kvm/Kconfig
> > +++ b/virt/kvm/Kconfig
> > @@ -53,7 +53,7 @@ config KVM_GENERIC_DIRTYLOG_READ_PROTECT
> >
> >  config KVM_COMPAT
> >         def_bool y
> > -       depends on KVM && COMPAT && !(S390 || ARM64)
> > +       depends on KVM && COMPAT && !(S390 || ARM64 || RISCV)
>
> Maybe this should be flipped around into a positive list now?
I think it's another patch to do that. Not in this series.

> The remaining architectures would be mips, powerpc and x86, but it's unclear
> if this actually meant to work on all of them, or any potential ones
> added in the
Yes, it's unclear and arch maintainers need to confirm that.

> future.
>
>        Arnd



-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/

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      reply	other threads:[~2022-01-21  6:37 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-20  7:39 [PATCH V3 17/17] KVM: compat: riscv: Prevent KVM_COMPAT from being selected guoren
2022-01-20 10:10 ` Arnd Bergmann
2022-01-21  6:35   ` Guo Ren [this message]

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