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From:   Sami Tolvanen <samitolvanen@google.com>
Date:   Thu, 16 Jan 2020 10:14:24 -0800
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Subject: Re: [PATCH v6 12/15] arm64: vdso: disable Shadow Call Stack
To:     Will Deacon <will@kernel.org>
Cc:     Catalin Marinas <catalin.marinas@arm.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Masami Hiramatsu <mhiramat@kernel.org>,
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On Thu, Jan 16, 2020 at 9:46 AM Will Deacon <will@kernel.org> wrote:
> Should we be removing -ffixed-x18 too, or does that not propagate here
> anyway?

No, we shouldn't touch -ffixed-x18 here. The vDSO is always built with
x18 reserved since commit 98cd3c3f83fbb ("arm64: vdso: Build vDSO with
-ffixed-x18").

Sami