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ARM: 8536/1: mm: hide __start_rodata_section_aligned for non-debug builds
The __start_rodata_section_aligned is only referenced by the
DEBUG_RODATA code, which is only used when the MMU is enabled,
but the definition fails on !MMU builds:
arch/arm/kernel/vmlinux.lds:702: undefined symbol `SECTION_SHIFT' referenced in expression
This hides the symbol whenever DEBUG_RODATA is disabled.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 64ac2e74f0
("ARM: 8502/1: mm: mark section-aligned portion of rodata NX")
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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1 changed files with 2 additions and 0 deletions
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@ -317,12 +317,14 @@ SECTIONS
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STABS_DEBUG
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}
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#ifdef CONFIG_DEBUG_RODATA
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/*
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* Without CONFIG_DEBUG_ALIGN_RODATA, __start_rodata_section_aligned will
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* be the first section-aligned location after __start_rodata. Otherwise,
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* it will be equal to __start_rodata.
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*/
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__start_rodata_section_aligned = ALIGN(__start_rodata, 1 << SECTION_SHIFT);
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#endif
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/*
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* These must never be empty
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