From e8c688251d0e8baca1cd68992c9ef4078a0361c8 Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Fri, 12 May 2017 01:56:48 +1000 Subject: [PATCH] powerpc/64: Place sfpr section explicitly with the linker script Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/vmlinux.lds.S | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 2f793be3d2b1..bcfda21c3179 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -115,6 +115,14 @@ SECTIONS KPROBES_TEXT IRQENTRY_TEXT SOFTIRQENTRY_TEXT + /* + * -Os builds call FP save/restore functions. The powerpc64 + * linker generates those on demand in the .sfpr section. + * .sfpr gets placed at the beginning of a group of input + * sections, which can break start-of-text offset if it is + * included with the main text sections, so put it by itself. + */ + *(.sfpr); MEM_KEEP(init.text) MEM_KEEP(exit.text) -- 2.20.1