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powerpc/64: Place sfpr section explicitly with the linker script

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Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Nicholas Piggin 2017-05-12 01:56:48 +10:00 committed by Michael Ellerman
parent 308d263d3f
commit e8c688251d
1 changed files with 8 additions and 0 deletions
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8
arch/powerpc/kernel/vmlinux.lds.S
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@ -115,6 +115,14 @@ SECTIONS
KPROBES_TEXT KPROBES_TEXT
IRQENTRY_TEXT IRQENTRY_TEXT
SOFTIRQENTRY_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(init.text)
MEM_KEEP(exit.text) MEM_KEEP(exit.text)