From: Paul Cercueil <paul@crapouillou.net>
To: Nathan Chancellor <nathan@kernel.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Nick Desaulniers <ndesaulniers@google.com>,
list@opendingux.net, linux-mips@vger.kernel.org,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev
Subject: Re: [PATCH 1/3] MIPS: boot/compressed: Disable abicalls
Date: Tue, 14 Dec 2021 19:09:06 +0000 [thread overview]
Message-ID: <67D44R.5C6XHAZPCYVU3@crapouillou.net> (raw)
In-Reply-To: <YbjdQfrC+EjeJjRV@archlinux-ax161>
Hi Nathan,
Le mar., déc. 14 2021 at 11:06:57 -0700, Nathan Chancellor
<nathan@kernel.org> 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@crapouillou.net>
>> ---
>> 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
>>
>>
next prev parent reply other threads:[~2021-12-14 19:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-13 22:49 [PATCH 0/3] MIPS: Add support for LTO Paul Cercueil
2021-12-13 22:49 ` [PATCH 1/3] MIPS: boot/compressed: Disable abicalls Paul Cercueil
2021-12-14 18:06 ` Nathan Chancellor
2021-12-14 19:09 ` Paul Cercueil [this message]
2021-12-14 19:38 ` Nick Desaulniers
2021-12-13 22:49 ` [PATCH 2/3] MIPS: boot/compressed: Build without LTO Paul Cercueil
2021-12-14 18:07 ` Nathan Chancellor
2021-12-14 19:43 ` Nick Desaulniers
2021-12-13 22:49 ` [PATCH 3/3] MIPS: Add support for LTO Paul Cercueil
2021-12-14 18:09 ` Nathan Chancellor
2021-12-14 19:45 ` Nick Desaulniers
2021-12-14 18:11 ` [PATCH 0/3] " Nathan Chancellor
2021-12-14 19:34 ` Nick Desaulniers
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