From b99ddbe8336ee680257c8ab479f75051eaa49dcf Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Wed, 8 Feb 2023 01:41:56 +0900 Subject: [PATCH] UML: define RUNTIME_DISCARD_EXIT With CONFIG_VIRTIO_UML=y, GNU ld < 2.36 fails to link UML vmlinux (w/wo CONFIG_LD_SCRIPT_STATIC). `.exit.text' referenced in section `.uml.exitcall.exit' of arch/um/drivers/virtio_uml.o: defined in discarded section `.exit.text' of arch/um/drivers/virtio_uml.o collect2: error: ld returned 1 exit status This fix is similar to the following commits: - 4b9880dbf3bd ("powerpc/vmlinux.lds: Define RUNTIME_DISCARD_EXIT") - a494398bde27 ("s390: define RUNTIME_DISCARD_EXIT to fix link error with GNU ld < 2.36") - c1c551bebf92 ("sh: define RUNTIME_DISCARD_EXIT") Fixes: 99cb0d917ffa ("arch: fix broken BuildID for arm64 and riscv") Reported-by: SeongJae Park Signed-off-by: Masahiro Yamada Tested-by: SeongJae Park Signed-off-by: Richard Weinberger --- arch/um/kernel/vmlinux.lds.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/um/kernel/vmlinux.lds.S b/arch/um/kernel/vmlinux.lds.S index 16e49bfa2b42..53d719c04ba9 100644 --- a/arch/um/kernel/vmlinux.lds.S +++ b/arch/um/kernel/vmlinux.lds.S @@ -1,4 +1,4 @@ - +#define RUNTIME_DISCARD_EXIT KERNEL_STACK_SIZE = 4096 * (1 << CONFIG_KERNEL_STACK_ORDER); #ifdef CONFIG_LD_SCRIPT_STATIC