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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 22 Feb 2022 17:42:58 -0800 (PST)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     guoren@...nel.org
CC:     guoren@...nel.org, Arnd Bergmann <arnd@...db.de>,
        anup@...infault.org, Greg KH <gregkh@...uxfoundation.org>,
        liush@...winnertech.com, wefu@...hat.com, drew@...gleboard.org,
        wangjunqiang@...as.ac.cn, Christoph Hellwig <hch@....de>,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        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@...ts.infradead.org,
        x86@...nel.org, guoren@...ux.alibaba.com
Subject:     Re: [PATCH V5 21/21] KVM: compat: riscv: Prevent KVM_COMPAT from being selected

On Tue, 01 Feb 2022 07:05:45 PST (-0800), 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>
> ---
>  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)
>
>  config HAVE_KVM_IRQ_BYPASS
>         bool

Reviewed-by: Palmer Dabbelt <palmer@...osinc.com>
Acked-by: Palmer Dabbelt <palmer@...osinc.com>

I'm assuming Anup is going to take this as per the discussion, but LMK 
if you want me to take it along with the rest of the series.  There's 
some minor comments outstanding on the other patches.