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From:   Sami Tolvanen <samitolvanen@google.com>
Date:   Mon, 21 Oct 2019 15:43:14 -0700
Message-ID: <CABCJKucm2ETxe2dgJhb4Ruzq72psFMGsx=0D6TVnJ-_DL2FgfA@mail.gmail.com>
Subject: Re: [PATCH 13/18] arm64: preserve x18 when CPU is suspended
To:     Mark Rutland <mark.rutland@arm.com>
Cc:     Will Deacon <will@kernel.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Ard Biesheuvel <ard.biesheuvel@linaro.org>,
        Dave Martin <Dave.Martin@arm.com>,
        Kees Cook <keescook@chromium.org>,
        Laura Abbott <labbott@redhat.com>,
        Nick Desaulniers <ndesaulniers@google.com>,
        clang-built-linux <clang-built-linux@googlegroups.com>,
        Kernel Hardening <kernel-hardening@lists.openwall.com>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
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On Mon, Oct 21, 2019 at 9:56 AM Mark Rutland <mark.rutland@arm.com> wrote:
> This should have a corresponding change to cpu_suspend_ctx in
> <asm/suspend.h>. Otherwise we're corrupting a portion of the stack.

Ugh, correct. I'll fix this in the next version. Thanks.

Sami