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Date: Sun, 10 Jan 2021 11:56:34 +0000 From: Alexander Lobakin <alobakin@...me> To: Thomas Bogendoerfer <tsbogend@...ha.franken.de> Cc: Arnd Bergmann <arnd@...db.de>, Nathan Chancellor <natechancellor@...il.com>, Nick Desaulniers <ndesaulniers@...gle.com>, Huacai Chen <chenhuacai@...nel.org>, Pei Huang <huangpei@...ngson.cn>, Kees Cook <keescook@...omium.org>, Alexander Lobakin <alobakin@...me>, Fangrui Song <maskray@...gle.com>, Jiaxun Yang <jiaxun.yang@...goat.com>, Ralf Baechle <ralf@...ux-mips.org>, Corey Minyard <cminyard@...sta.com>, linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, stable@...r.kernel.org, clang-built-linux@...glegroups.com Subject: [PATCH v5 mips-next 5/9] MIPS: vmlinux.lds.S: explicitly catch .rel.dyn symbols According to linker warnings, both GCC and LLVM generate '.rel.dyn' symbols: mips-alpine-linux-musl-ld: warning: orphan section `.rel.dyn' from `init/main.o' being placed in section `.rel.dyn' Link-time assertion shows that this section is sometimes empty, sometimes not, depending on machine bitness and the compiler [0]: LD .tmp_vmlinux.kallsyms1 mips64-linux-gnu-ld: Unexpected run-time relocations (.rel) detected! Just use the ARM64 approach and declare it in vmlinux.lds.S closer to __init_end. [0] https://lore.kernel.org/linux-mips/20210109111259.GA4213@alpha.franken.de Reported-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de> Signed-off-by: Alexander Lobakin <alobakin@...me> --- arch/mips/kernel/vmlinux.lds.S | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index 10d8f0dcb76b..70bba1ff08da 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -137,6 +137,11 @@ SECTIONS PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT) #endif + .rel.dyn : ALIGN(8) { + *(.rel) + *(.rel*) + } + #ifdef CONFIG_MIPS_ELF_APPENDED_DTB .appended_dtb : AT(ADDR(.appended_dtb) - LOAD_OFFSET) { *(.appended_dtb) -- 2.30.0
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