Re: [PATCH v9] pgo: add clang's Profile Guided Optimization infrastructure

Nathan Chancellor
2021-05-31T21:12:53Z

On Wed, May 19, 2021 at 02:37:26PM -0700, Kees Cook wrote:
> I've added this to patch to my -next tree now:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/commit/?h=for-next/clang/pgo&id=e1af496cbe9b4517428601a4e44fee3602dd3c15
>

Would this be appropriate to send? Someone sent some patches based on
this work so it would be nice to solidify how they will get to Linus
if/when the time comes :)

https://lore.kernel.org/r/20210528200133.459022-1-jarmo.tiitto@gmail.com/
https://lore.kernel.org/r/20210528200432.459120-1-jarmo.tiitto@gmail.com/
https://lore.kernel.org/r/20210528200821.459214-1-jarmo.tiitto@gmail.com/
https://lore.kernel.org/r/20210528201006.459292-1-jarmo.tiitto@gmail.com/
https://lore.kernel.org/r/20210528201107.459362-1-jarmo.tiitto@gmail.com/
https://lore.kernel.org/r/20210528201213.459483-1-jarmo.tiitto@gmail.com/

Cheers,
Nathan

======================================

diff --git a/MAINTAINERS b/MAINTAINERS
index c45613c30803..0d03f6ccdb70 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14378,9 +14378,13 @@ F: include/uapi/linux/personality.h
PGO BASED KERNEL PROFILING
M: Sami Tolvanen <samitolvanen@google.com>
M: Bill Wendling <wcw@google.com>
+M: Kees Cook <keescook@chromium.org>
R: Nathan Chancellor <nathan@kernel.org>
R: Nick Desaulniers <ndesaulniers@google.com>
+L: clang-built-linux@googlegroups.com
S: Supported
+B: https://github.com/ClangBuiltLinux/linux/issues
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/clang/pgo
F: Documentation/dev-tools/pgo.rst
F: kernel/pgo/