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powerpc/build: put sys_call_table in .data.rel.ro if RELOCATABLE

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Const function pointers by convention live in .data.rel.ro if they need
to be relocated. Now that .data.rel.ro is linked into the read-only
region, put them in the right section. This doesn't make much practical
difference, but it will make the C conversion of sys_call_table a
smaller change as far as linking goes.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220916040755.2398112-8-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin 2022-09-16 14:07:55 +10:00 committed by Michael Ellerman
parent 1e9eca485a
commit fdfdcfd504
1 changed files with 4 additions and 0 deletions
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4
arch/powerpc/kernel/systbl.S
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@ -12,7 +12,11 @@
#include <asm/ppc_asm.h>
#ifdef CONFIG_RELOCATABLE
.section .data.rel.ro,"aw"
#else
.section .rodata,"a"
#endif
#ifdef CONFIG_PPC64
.p2align 3