diff options
| -rw-r--r-- | arch/arm64/include/asm/sections.h | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/vmlinux.lds.S | 25 | ||||
| -rw-r--r-- | arch/arm64/mm/mmu.c | 12 |
3 files changed, 26 insertions, 13 deletions
diff --git a/arch/arm64/include/asm/sections.h b/arch/arm64/include/asm/sections.h index 4e7e7067afdb..941267caa39c 100644 --- a/arch/arm64/include/asm/sections.h +++ b/arch/arm64/include/asm/sections.h @@ -24,6 +24,8 @@ extern char __hibernate_exit_text_start[], __hibernate_exit_text_end[]; extern char __hyp_idmap_text_start[], __hyp_idmap_text_end[]; extern char __hyp_text_start[], __hyp_text_end[]; extern char __idmap_text_start[], __idmap_text_end[]; +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[]; diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index b8deffa9e1bf..2c93d259046c 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -143,12 +143,27 @@ SECTIONS . = ALIGN(SEGMENT_ALIGN); __init_begin = .; + __inittext_begin = .; INIT_TEXT_SECTION(8) .exit.text : { ARM_EXIT_KEEP(EXIT_TEXT) } + . = ALIGN(4); + .altinstructions : { + __alt_instructions = .; + *(.altinstructions) + __alt_instructions_end = .; + } + .altinstr_replacement : { + *(.altinstr_replacement) + } + + . = ALIGN(PAGE_SIZE); + __inittext_end = .; + __initdata_begin = .; + .init.data : { INIT_DATA INIT_SETUP(16) @@ -164,15 +179,6 @@ SECTIONS PERCPU_SECTION(L1_CACHE_BYTES) - . = ALIGN(4); - .altinstructions : { - __alt_instructions = .; - *(.altinstructions) - __alt_instructions_end = .; - } - .altinstr_replacement : { - *(.altinstr_replacement) - } .rela : ALIGN(8) { *(.rela .rela*) } @@ -181,6 +187,7 @@ SECTIONS __rela_size = SIZEOF(.rela); . = ALIGN(SEGMENT_ALIGN); + __initdata_end = .; __init_end = .; _data = .; diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 300e98e8cd63..75e21c33caff 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -459,7 +459,8 @@ early_param("rodata", parse_rodata); */ static void __init map_kernel(pgd_t *pgd) { - static struct vm_struct vmlinux_text, vmlinux_rodata, vmlinux_init, vmlinux_data; + static struct vm_struct vmlinux_text, vmlinux_rodata, vmlinux_inittext, + vmlinux_initdata, vmlinux_data; /* * External debuggers may need to write directly to the text @@ -469,9 +470,12 @@ static void __init map_kernel(pgd_t *pgd) pgprot_t text_prot = rodata_enabled ? PAGE_KERNEL_ROX : PAGE_KERNEL_EXEC; map_kernel_segment(pgd, _text, _etext, text_prot, &vmlinux_text); - map_kernel_segment(pgd, __start_rodata, __init_begin, PAGE_KERNEL, &vmlinux_rodata); - map_kernel_segment(pgd, __init_begin, __init_end, PAGE_KERNEL_EXEC, - &vmlinux_init); + map_kernel_segment(pgd, __start_rodata, __inittext_begin, PAGE_KERNEL, + &vmlinux_rodata); + map_kernel_segment(pgd, __inittext_begin, __inittext_end, text_prot, + &vmlinux_inittext); + map_kernel_segment(pgd, __initdata_begin, __initdata_end, PAGE_KERNEL, + &vmlinux_initdata); map_kernel_segment(pgd, _data, _end, PAGE_KERNEL, &vmlinux_data); if (!pgd_val(*pgd_offset_raw(pgd, FIXADDR_START))) { |