Re: [PATCH 05/18] arm64: kbuild: reserve reg x18 from general allocation by the compiler

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Subject: Re: [PATCH 05/18] arm64: kbuild: reserve reg x18 from general allocation by the compiler
From: Sami Tolvanen <samitolvanen@xxxxxxxxxx>
Date: Mon, 21 Oct 2019 13:43:11 -0700
Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Dave Martin <Dave.Martin@xxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Laura Abbott <labbott@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, clang-built-linux <clang-built-linux@xxxxxxxxxxxxxxxx>, Kernel Hardening <kernel-hardening@xxxxxxxxxxxxxxxxxx>, Linux ARM <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>
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On Sun, Oct 20, 2019 at 11:12 PM Ard Biesheuvel
<ard.biesheuvel@xxxxxxxxxx> wrote:
> Also, please combine this patch with the one that reserves it
> conditionally, no point in having both in the same series.

Sure, I'll just drop this patch from v2 then and only reserve it with SCS.

Sami

References:
- [PATCH 00/18] add support for Clang's Shadow Call Stack
  - From: Sami Tolvanen
- [PATCH 05/18] arm64: kbuild: reserve reg x18 from general allocation by the compiler
  - From: Sami Tolvanen
- Re: [PATCH 05/18] arm64: kbuild: reserve reg x18 from general allocation by the compiler
  - From: Nick Desaulniers
- Re: [PATCH 05/18] arm64: kbuild: reserve reg x18 from general allocation by the compiler
  - From: Sami Tolvanen
- Re: [PATCH 05/18] arm64: kbuild: reserve reg x18 from general allocation by the compiler
  - From: Ard Biesheuvel

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