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Message-ID: <5ae0b5d2-3e99-1cf1-d1b7-2f92f0ec0cfa@infradead.org>
Date: Fri, 19 Nov 2021 14:34:23 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Paul Cercueil <paul@...pouillou.net>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: Arnd Bergmann <arnd@...db.de>,
Masahiro Yamada <masahiroy@...nel.org>,
linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
list@...ndingux.net
Subject: Re: [PATCH] MIPS: boot/compressed/: add __ashldi3 to target for ZSTD
compression
On 11/19/21 9:50 AM, Paul Cercueil wrote:
> Just like before with __bswapdi2(), for MIPS pre-boot when
> CONFIG_KERNEL_ZSTD=y the decompressor function will use __ashldi3(), so
> the object file should be added to the target object file.
>
> Fixes these build errors:
>
> mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function `FSE_buildDTable_internal':
> decompress.c:(.text.FSE_buildDTable_internal+0x48): undefined reference to `__ashldi3'
> mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function `FSE_decompress_wksp_body_default':
> decompress.c:(.text.FSE_decompress_wksp_body_default+0xa8): undefined reference to `__ashldi3'
> mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function `ZSTD_getFrameHeader_advanced':
> decompress.c:(.text.ZSTD_getFrameHeader_advanced+0x134): undefined reference to `__ashldi3'
>
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
I haven't seen this build error but the patch looks
fine to me.
Reviewed-by: Randy Dunlap <rdunlap@...radead.org>
Thanks.
> ---
> arch/mips/boot/compressed/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
> index 2861a05c2e0c..f27cf31b4140 100644
> --- a/arch/mips/boot/compressed/Makefile
> +++ b/arch/mips/boot/compressed/Makefile
> @@ -52,7 +52,7 @@ endif
>
> vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o
>
> -vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o
> +vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o $(obj)/ashldi3.o
>
> targets := $(notdir $(vmlinuzobjs-y))
>
>
--
~Randy
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