linux-kernel - Re: [PATCH v2 1/2] sparc/build: Remove all usage of -fcall-used* flags

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Message-ID: <9ospa4bgpJsgr1ACc_GNsvDxFH-ErKkGTq8iUFDVUrvL2nRxDhZAzXReo33X8VEystz97nbjEq0GJIKISPURMHRYAxJaFXLzVXxqPnjGYes=@protonmail.com>
Date: Sat, 26 Oct 2024 14:50:41 +0000
From: Koakuma <koachan@...tonmail.com>
To: Andreas Larsson <andreas@...sler.com>
Cc: "David S. Miller" <davem@...emloft.net>, Nathan Chancellor <nathan@...nel.org>, Nick Desaulniers <ndesaulniers@...gle.com>, Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, glaubitz@...sik.fu-berlin.de, Masahiro Yamada <masahiroy@...nel.org>, Nicolas Schier <nicolas@...sle.eu>, sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org, llvm@...ts.linux.dev, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH v2 1/2] sparc/build: Remove all usage of -fcall-used* flags

Andreas Larsson <andreas@...sler.com> wrote:
> Couldn't you use ifndef CONFIG_CC_IS_CLANG or perhaps better, use
> $(call cc-option,-fcall-used-g5) and $(call cc-option,-fcall-used-g7) to
> not remove the possibility for gcc to make use of these registers?

Sure sure! It works okay that way too.
But before I send a v3, let me wait for clarification for the docs issue
for the other patch.