linux-kernel - Re: [PATCH v8 09/12] arm64: disable SCS for hypervisor code

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20200219075017.41e17f08@why>
Date:   Wed, 19 Feb 2020 07:50:17 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Sami Tolvanen <samitolvanen@...gle.com>
Cc:     Will Deacon <will@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Mark Rutland <mark.rutland@....com>, james.morse@....com,
        Dave Martin <Dave.Martin@....com>,
        Kees Cook <keescook@...omium.org>,
        Laura Abbott <labbott@...hat.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Jann Horn <jannh@...gle.com>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        clang-built-linux@...glegroups.com,
        kernel-hardening@...ts.openwall.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 09/12] arm64: disable SCS for hypervisor code

On Tue, 18 Feb 2020 16:08:14 -0800
Sami Tolvanen <samitolvanen@...gle.com> wrote:

> Disable SCS for code that runs at a different exception level by
> adding __noscs to __hyp_text.
> 
> Suggested-by: James Morse <james.morse@....com>
> Signed-off-by: Sami Tolvanen <samitolvanen@...gle.com>

Acked-by: Marc Zyngier <maz@...nel.org>

	M.
-- 
Jazz is not dead. It just smells funny...