[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <20250805092540.48334-1-thuth@redhat.com>
Date: Tue, 5 Aug 2025 11:25:40 +0200
From: Thomas Huth <thuth@...hat.com>
To: Andreas Larsson <andreas@...sler.com>,
"David S. Miller" <davem@...emloft.net>,
John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
Cc: sparclinux@...r.kernel.org,
linux-kernel@...r.kernel.org,
Arnd Bergmann <arnd@...db.de>,
David Laight <david.laight.linux@...il.com>
Subject: [PATCH] sparc: Drop the "-ansi" from the asflags
From: Thomas Huth <thuth@...hat.com>
In the very early kernel 1.x days, assembler files were pre-processed
with the "-traditional" flag. With kernel 1.1.85, the sparc subsystem
was changed to use "-ansi" instead while the other parts of the kernel
continued to use "-traditional". That "-traditional" got removed from
the other architectures in the course of time, but the sparc part
kept the "-ansi" until today.
This is bad since it comes with some disadvantages nowadays: You have
to make sure to not include any header that contains a "//" C++ comment
by accident (there are now some in the tree that use these for SPDX
identifiers for example), and with "-ansi" we also do not get the
pre-defined __ASSEMBLER__ macro which we'd like to use instead of the
kernel-only __ASSEMBLY__ macro in the future.
Since there does not seem to be any compelling reason anymore to use
"-ansi" nowadays, let's simply drop the "-ansi" flag from the sparc
subsystem now to get rid of those disadvantages.
Signed-off-by: Thomas Huth <thuth@...hat.com>
---
Note: I've only compile-tested this patch. No runtime testing done.
arch/sparc/kernel/Makefile | 2 --
arch/sparc/lib/Makefile | 2 +-
arch/sparc/mm/Makefile | 2 --
arch/sparc/prom/Makefile | 1 -
4 files changed, 1 insertion(+), 6 deletions(-)
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 36f2727e1445d..22170d4f8e060 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -4,8 +4,6 @@
# Makefile for the linux kernel.
#
-asflags-y := -ansi
-
# Undefine sparc when processing vmlinux.lds - it is used
# And teach CPP we are doing $(BITS) builds (for this case)
CPPFLAGS_vmlinux.lds := -Usparc -m$(BITS)
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index ee5091dd67ed7..783bdec0d7be0 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -2,7 +2,7 @@
# Makefile for Sparc library files..
#
-asflags-y := -ansi -DST_DIV0=0x02
+asflags-y := -DST_DIV0=0x02
lib-$(CONFIG_SPARC32) += ashrdi3.o
lib-$(CONFIG_SPARC32) += memcpy.o memset.o
diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile
index 2d1752108d779..e9d232561c82a 100644
--- a/arch/sparc/mm/Makefile
+++ b/arch/sparc/mm/Makefile
@@ -2,8 +2,6 @@
# Makefile for the linux Sparc-specific parts of the memory manager.
#
-asflags-y := -ansi
-
obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o
obj-y += fault_$(BITS).o
obj-y += init_$(BITS).o
diff --git a/arch/sparc/prom/Makefile b/arch/sparc/prom/Makefile
index a1adc75d80551..92db8bb4ad4cd 100644
--- a/arch/sparc/prom/Makefile
+++ b/arch/sparc/prom/Makefile
@@ -2,7 +2,6 @@
# Makefile for the Sun Boot PROM interface library under
# Linux.
#
-asflags := -ansi
lib-y := bootstr_$(BITS).o
lib-y += init_$(BITS).o
--
2.50.1
Powered by blists - more mailing lists