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arm64: mmu: add the entry trampolines start/end section markers into sections.h

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SDEI needs to calculate an offset in the trampoline page too. Move
the extern char[] to sections.h.

This patch just moves code around.

Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
James Morse 2018-01-08 15:38:17 +00:00 committed by Catalin Marinas
parent 677a60bd20
commit 83f8ee3a73
2 changed files with 1 additions and 2 deletions
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1
arch/arm64/include/asm/sections.h
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@ -28,5 +28,6 @@ extern char __initdata_begin[], __initdata_end[];
extern char __inittext_begin[], __inittext_end[];
extern char __irqentry_text_start[], __irqentry_text_end[];
extern char __mmuoff_data_start[], __mmuoff_data_end[];
extern char __entry_tramp_text_start[], __entry_tramp_text_end[];
#endif /* __ASM_SECTIONS_H */

2
arch/arm64/mm/mmu.c
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@ -529,8 +529,6 @@ early_param("rodata", parse_rodata);
#ifdef CONFIG_UNMAP_KERNEL_AT_EL0
static int __init map_entry_trampoline(void)
{
extern char __entry_tramp_text_start[];
pgprot_t prot = rodata_enabled ? PAGE_KERNEL_ROX : PAGE_KERNEL_EXEC;
phys_addr_t pa_start = __pa_symbol(__entry_tramp_text_start);