Re: [PATCH v2 0/3] no_profile fn attr and Kconfig for GCOV+PGO

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To: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Subject: Re: [PATCH v2 0/3] no_profile fn attr and Kconfig for GCOV+PGO
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Tue, 22 Jun 2021 09:25:11 +0200
Cc: Kees Cook <keescook@xxxxxxxxxxxx>, Bill Wendling <wcw@xxxxxxxxxx>, Sami Tolvanen <samitolvanen@xxxxxxxxxx>, Peter Oberparleiter <oberpar@xxxxxxxxxxxxx>, Masahiro Yamada <masahiroy@xxxxxxxxxx>, Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx>, Nathan Chancellor <nathan@xxxxxxxxxx>, Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, clang-built-linux@xxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, Borislav Petkov <bp@xxxxxxxxx>, Martin Liska <mliska@xxxxxxx>, Marco Elver <elver@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Fangrui Song <maskray@xxxxxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, linux-kbuild@xxxxxxxxxxxxxxx, Dmitry Vyukov <dvyukov@xxxxxxxxxx>, johannes.berg@xxxxxxxxx, linux-toolchains@xxxxxxxxxxxxxxx, Heiko Carstens <hca@xxxxxxxxxxxxx>, Vasily Gorbik <gor@xxxxxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxx>, linux-s390@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Catalin Marinas <catalin.marinas@xxxxxxx>
In-reply-to: <20210621231822.2848305-1-ndesaulniers@google.com>
References: <20210621231822.2848305-1-ndesaulniers@google.com>

On Mon, Jun 21, 2021 at 04:18:19PM -0700, Nick Desaulniers wrote:
> Nick Desaulniers (3):
>   compiler_attributes.h: define __no_profile, add to noinstr
>   compiler_attributes.h: cleanups for GCC 4.9+
>   Kconfig: add ARCH_WANTS_NO_INSTR+CC_HAS_NO_PROFILE_FN_ATTR, depend on
>     for GCOV and PGO

Thanks for sorting this Nick!

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>

References:
- [PATCH v2 0/3] no_profile fn attr and Kconfig for GCOV+PGO
  - From: Nick Desaulniers

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