Re: [PATCH 1/3] MIPS: boot/compressed: Disable abicalls

From: Paul Cercueil
Date: Tue Dec 14 2021 - 14:09:22 EST


Hi Nathan,

Le mar., déc. 14 2021 at 11:06:57 -0700, Nathan Chancellor <nathan@xxxxxxxxxx> a écrit :
On Mon, Dec 13, 2021 at 10:49:12PM +0000, Paul Cercueil wrote:
Avoid complaints from Clang/LLVM by building the decompress program with
-mno-abicalls.

What is the message?

ld.lld: warning: lto.tmp: linking abicalls code with non-abicalls code arch/mips/kernel/head.o

Cheers,
-Paul


Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
arch/mips/boot/compressed/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index f27cf31b4140..4c9ecfbb0ef4 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -27,10 +27,10 @@ ifdef CONFIG_CPU_LOONGSON64
KBUILD_CFLAGS := $(filter-out -march=loongson3a, $(KBUILD_CFLAGS)) -march=mips64r2
endif

-KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ -D__DISABLE_EXPORTS \
+KBUILD_CFLAGS := $(KBUILD_CFLAGS) -mno-abicalls -D__KERNEL__ -D__DISABLE_EXPORTS \
-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"

-KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
+KBUILD_AFLAGS := $(KBUILD_AFLAGS) -mno-abicalls -D__ASSEMBLY__ \
-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
-DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS)

--
2.33.0