Re: [PATCH 16/17] KVM: arm64: Disable CFI for nVHE

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Subject: Re: [PATCH 16/17] KVM: arm64: Disable CFI for nVHE
From: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Thu, 11 Mar 2021 18:50:59 -0800
Cc: Nathan Chancellor <nathan@xxxxxxxxxx>, Nick Desaulniers <ndesaulniers@xxxxxxxxxx>, Masahiro Yamada <masahiroy@xxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Jessica Yu <jeyu@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, bpf@xxxxxxxxxxxxxxx, linux-hardening@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kbuild@xxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20210312004919.669614-17-samitolvanen@google.com>
References: <20210312004919.669614-1-samitolvanen@google.com> <20210312004919.669614-17-samitolvanen@google.com>

On Thu, Mar 11, 2021 at 04:49:18PM -0800, Sami Tolvanen wrote:
> Disable CFI for the nVHE code to avoid address space confusion.
> 
> Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx>

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

-- 
Kees Cook

References:
- [PATCH 00/17] Add support for Clang CFI
  - From: Sami Tolvanen
- [PATCH 16/17] KVM: arm64: Disable CFI for nVHE
  - From: Sami Tolvanen

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