forked from Minki/linux
arm64: use 'segment' rather than 'chunk' to describe mapped kernel regions
Replace the poorly defined term chunk with segment, which is a term that is already used by the ELF spec to describe contiguous mappings with the same permission attributes of statically allocated ranges of an executable. Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
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@ -471,8 +471,8 @@ void fixup_init(void)
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unmap_kernel_range((u64)__init_begin, (u64)(__init_end - __init_begin));
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}
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static void __init map_kernel_chunk(pgd_t *pgd, void *va_start, void *va_end,
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pgprot_t prot, struct vm_struct *vma)
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static void __init map_kernel_segment(pgd_t *pgd, void *va_start, void *va_end,
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pgprot_t prot, struct vm_struct *vma)
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{
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phys_addr_t pa_start = __pa(va_start);
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unsigned long size = va_end - va_start;
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@ -499,11 +499,11 @@ static void __init map_kernel(pgd_t *pgd)
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{
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static struct vm_struct vmlinux_text, vmlinux_rodata, vmlinux_init, vmlinux_data;
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map_kernel_chunk(pgd, _stext, __start_rodata, PAGE_KERNEL_EXEC, &vmlinux_text);
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map_kernel_chunk(pgd, __start_rodata, _etext, PAGE_KERNEL, &vmlinux_rodata);
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map_kernel_chunk(pgd, __init_begin, __init_end, PAGE_KERNEL_EXEC,
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&vmlinux_init);
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map_kernel_chunk(pgd, _data, _end, PAGE_KERNEL, &vmlinux_data);
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map_kernel_segment(pgd, _stext, __start_rodata, PAGE_KERNEL_EXEC, &vmlinux_text);
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map_kernel_segment(pgd, __start_rodata, _etext, PAGE_KERNEL, &vmlinux_rodata);
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map_kernel_segment(pgd, __init_begin, __init_end, PAGE_KERNEL_EXEC,
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&vmlinux_init);
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map_kernel_segment(pgd, _data, _end, PAGE_KERNEL, &vmlinux_data);
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if (!pgd_val(*pgd_offset_raw(pgd, FIXADDR_START))) {
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/*
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