diff options
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/boot/compressed/head_32.S | 3 | ||||
-rw-r--r-- | arch/x86/boot/compressed/head_64.S | 3 | ||||
-rw-r--r-- | arch/x86/boot/compressed/vmlinux.lds.S | 6 | ||||
-rw-r--r-- | arch/x86/kernel/head_32.S | 2 | ||||
-rw-r--r-- | arch/x86/kernel/head_64.S | 2 | ||||
-rw-r--r-- | arch/x86/kernel/traps.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/vmlinux.lds.S | 79 |
7 files changed, 25 insertions, 76 deletions
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index 75e4f001e706..f543b70ffae2 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S | |||
@@ -23,13 +23,14 @@ | |||
23 | */ | 23 | */ |
24 | .text | 24 | .text |
25 | 25 | ||
26 | #include <linux/init.h> | ||
26 | #include <linux/linkage.h> | 27 | #include <linux/linkage.h> |
27 | #include <asm/segment.h> | 28 | #include <asm/segment.h> |
28 | #include <asm/page_types.h> | 29 | #include <asm/page_types.h> |
29 | #include <asm/boot.h> | 30 | #include <asm/boot.h> |
30 | #include <asm/asm-offsets.h> | 31 | #include <asm/asm-offsets.h> |
31 | 32 | ||
32 | .section ".text.head","ax",@progbits | 33 | __HEAD |
33 | ENTRY(startup_32) | 34 | ENTRY(startup_32) |
34 | cld | 35 | cld |
35 | /* | 36 | /* |
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index f62c284db9eb..077e1b69198e 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S | |||
@@ -24,6 +24,7 @@ | |||
24 | .code32 | 24 | .code32 |
25 | .text | 25 | .text |
26 | 26 | ||
27 | #include <linux/init.h> | ||
27 | #include <linux/linkage.h> | 28 | #include <linux/linkage.h> |
28 | #include <asm/segment.h> | 29 | #include <asm/segment.h> |
29 | #include <asm/pgtable_types.h> | 30 | #include <asm/pgtable_types.h> |
@@ -33,7 +34,7 @@ | |||
33 | #include <asm/processor-flags.h> | 34 | #include <asm/processor-flags.h> |
34 | #include <asm/asm-offsets.h> | 35 | #include <asm/asm-offsets.h> |
35 | 36 | ||
36 | .section ".text.head" | 37 | __HEAD |
37 | .code32 | 38 | .code32 |
38 | ENTRY(startup_32) | 39 | ENTRY(startup_32) |
39 | cld | 40 | cld |
diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S index cc353e1b3ffd..f4193bb48782 100644 --- a/arch/x86/boot/compressed/vmlinux.lds.S +++ b/arch/x86/boot/compressed/vmlinux.lds.S | |||
@@ -1,3 +1,5 @@ | |||
1 | #include <asm-generic/vmlinux.lds.h> | ||
2 | |||
1 | OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT) | 3 | OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT) |
2 | 4 | ||
3 | #undef i386 | 5 | #undef i386 |
@@ -18,9 +20,9 @@ SECTIONS | |||
18 | * address 0. | 20 | * address 0. |
19 | */ | 21 | */ |
20 | . = 0; | 22 | . = 0; |
21 | .text.head : { | 23 | .head.text : { |
22 | _head = . ; | 24 | _head = . ; |
23 | *(.text.head) | 25 | HEAD_TEXT |
24 | _ehead = . ; | 26 | _ehead = . ; |
25 | } | 27 | } |
26 | .rodata.compressed : { | 28 | .rodata.compressed : { |
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index b766e8c7252d..0ad4302ba975 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S | |||
@@ -79,7 +79,7 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE) | |||
79 | * any particular GDT layout, because we load our own as soon as we | 79 | * any particular GDT layout, because we load our own as soon as we |
80 | * can. | 80 | * can. |
81 | */ | 81 | */ |
82 | .section .text.head,"ax",@progbits | 82 | __HEAD |
83 | ENTRY(startup_32) | 83 | ENTRY(startup_32) |
84 | /* test KEEP_SEGMENTS flag to see if the bootloader is asking | 84 | /* test KEEP_SEGMENTS flag to see if the bootloader is asking |
85 | us to not reload segments */ | 85 | us to not reload segments */ |
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index fa54f78e2a05..26406601031c 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S | |||
@@ -40,7 +40,7 @@ L4_START_KERNEL = pgd_index(__START_KERNEL_map) | |||
40 | L3_START_KERNEL = pud_index(__START_KERNEL_map) | 40 | L3_START_KERNEL = pud_index(__START_KERNEL_map) |
41 | 41 | ||
42 | .text | 42 | .text |
43 | .section .text.head | 43 | __HEAD |
44 | .code64 | 44 | .code64 |
45 | .globl startup_64 | 45 | .globl startup_64 |
46 | startup_64: | 46 | startup_64: |
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 9346e102338d..8351175172e1 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c | |||
@@ -73,11 +73,9 @@ char ignore_fpu_irq; | |||
73 | 73 | ||
74 | /* | 74 | /* |
75 | * The IDT has to be page-aligned to simplify the Pentium | 75 | * The IDT has to be page-aligned to simplify the Pentium |
76 | * F0 0F bug workaround.. We have a special link segment | 76 | * F0 0F bug workaround. |
77 | * for this. | ||
78 | */ | 77 | */ |
79 | gate_desc idt_table[NR_VECTORS] | 78 | gate_desc idt_table[NR_VECTORS] __page_aligned_data = { { { { 0, 0 } } }, }; |
80 | __attribute__((__section__(".data.idt"))) = { { { { 0, 0 } } }, }; | ||
81 | #endif | 79 | #endif |
82 | 80 | ||
83 | DECLARE_BITMAP(used_vectors, NR_VECTORS); | 81 | DECLARE_BITMAP(used_vectors, NR_VECTORS); |
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index a46acccec38a..92929fb3f9fa 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S | |||
@@ -65,17 +65,11 @@ SECTIONS | |||
65 | #endif | 65 | #endif |
66 | 66 | ||
67 | /* Text and read-only data */ | 67 | /* Text and read-only data */ |
68 | |||
69 | /* bootstrapping code */ | ||
70 | .text.head : AT(ADDR(.text.head) - LOAD_OFFSET) { | ||
71 | _text = .; | ||
72 | *(.text.head) | ||
73 | } :text = 0x9090 | ||
74 | |||
75 | /* The rest of the text */ | ||
76 | .text : AT(ADDR(.text) - LOAD_OFFSET) { | 68 | .text : AT(ADDR(.text) - LOAD_OFFSET) { |
69 | _text = .; | ||
70 | /* bootstrapping code */ | ||
71 | HEAD_TEXT | ||
77 | #ifdef CONFIG_X86_32 | 72 | #ifdef CONFIG_X86_32 |
78 | /* not really needed, already page aligned */ | ||
79 | . = ALIGN(PAGE_SIZE); | 73 | . = ALIGN(PAGE_SIZE); |
80 | *(.text.page_aligned) | 74 | *(.text.page_aligned) |
81 | #endif | 75 | #endif |
@@ -94,13 +88,7 @@ SECTIONS | |||
94 | 88 | ||
95 | NOTES :text :note | 89 | NOTES :text :note |
96 | 90 | ||
97 | /* Exception table */ | 91 | EXCEPTION_TABLE(16) :text = 0x9090 |
98 | . = ALIGN(16); | ||
99 | __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { | ||
100 | __start___ex_table = .; | ||
101 | *(__ex_table) | ||
102 | __stop___ex_table = .; | ||
103 | } :text = 0x9090 | ||
104 | 92 | ||
105 | RO_DATA(PAGE_SIZE) | 93 | RO_DATA(PAGE_SIZE) |
106 | 94 | ||
@@ -118,7 +106,6 @@ SECTIONS | |||
118 | #endif | 106 | #endif |
119 | 107 | ||
120 | PAGE_ALIGNED_DATA(PAGE_SIZE) | 108 | PAGE_ALIGNED_DATA(PAGE_SIZE) |
121 | *(.data.idt) | ||
122 | 109 | ||
123 | CACHELINE_ALIGNED_DATA(CONFIG_X86_L1_CACHE_BYTES) | 110 | CACHELINE_ALIGNED_DATA(CONFIG_X86_L1_CACHE_BYTES) |
124 | 111 | ||
@@ -135,24 +122,21 @@ SECTIONS | |||
135 | #ifdef CONFIG_X86_64 | 122 | #ifdef CONFIG_X86_64 |
136 | 123 | ||
137 | #define VSYSCALL_ADDR (-10*1024*1024) | 124 | #define VSYSCALL_ADDR (-10*1024*1024) |
138 | #define VSYSCALL_PHYS_ADDR ((LOADADDR(.data) + SIZEOF(.data) + \ | ||
139 | PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) | ||
140 | #define VSYSCALL_VIRT_ADDR ((ADDR(.data) + SIZEOF(.data) + \ | ||
141 | PAGE_SIZE - 1) & ~(PAGE_SIZE - 1)) | ||
142 | 125 | ||
143 | #define VLOAD_OFFSET (VSYSCALL_ADDR - VSYSCALL_PHYS_ADDR) | 126 | #define VLOAD_OFFSET (VSYSCALL_ADDR - __vsyscall_0 + LOAD_OFFSET) |
144 | #define VLOAD(x) (ADDR(x) - VLOAD_OFFSET) | 127 | #define VLOAD(x) (ADDR(x) - VLOAD_OFFSET) |
145 | 128 | ||
146 | #define VVIRT_OFFSET (VSYSCALL_ADDR - VSYSCALL_VIRT_ADDR) | 129 | #define VVIRT_OFFSET (VSYSCALL_ADDR - __vsyscall_0) |
147 | #define VVIRT(x) (ADDR(x) - VVIRT_OFFSET) | 130 | #define VVIRT(x) (ADDR(x) - VVIRT_OFFSET) |
148 | 131 | ||
132 | . = ALIGN(4096); | ||
133 | __vsyscall_0 = .; | ||
134 | |||
149 | . = VSYSCALL_ADDR; | 135 | . = VSYSCALL_ADDR; |
150 | .vsyscall_0 : AT(VSYSCALL_PHYS_ADDR) { | 136 | .vsyscall_0 : AT(VLOAD(.vsyscall_0)) { |
151 | *(.vsyscall_0) | 137 | *(.vsyscall_0) |
152 | } :user | 138 | } :user |
153 | 139 | ||
154 | __vsyscall_0 = VSYSCALL_VIRT_ADDR; | ||
155 | |||
156 | . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); | 140 | . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); |
157 | .vsyscall_fn : AT(VLOAD(.vsyscall_fn)) { | 141 | .vsyscall_fn : AT(VLOAD(.vsyscall_fn)) { |
158 | *(.vsyscall_fn) | 142 | *(.vsyscall_fn) |
@@ -192,11 +176,9 @@ SECTIONS | |||
192 | *(.vsyscall_3) | 176 | *(.vsyscall_3) |
193 | } | 177 | } |
194 | 178 | ||
195 | . = VSYSCALL_VIRT_ADDR + PAGE_SIZE; | 179 | . = __vsyscall_0 + PAGE_SIZE; |
196 | 180 | ||
197 | #undef VSYSCALL_ADDR | 181 | #undef VSYSCALL_ADDR |
198 | #undef VSYSCALL_PHYS_ADDR | ||
199 | #undef VSYSCALL_VIRT_ADDR | ||
200 | #undef VLOAD_OFFSET | 182 | #undef VLOAD_OFFSET |
201 | #undef VLOAD | 183 | #undef VLOAD |
202 | #undef VVIRT_OFFSET | 184 | #undef VVIRT_OFFSET |
@@ -219,36 +201,12 @@ SECTIONS | |||
219 | PERCPU_VADDR(0, :percpu) | 201 | PERCPU_VADDR(0, :percpu) |
220 | #endif | 202 | #endif |
221 | 203 | ||
222 | .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { | 204 | INIT_TEXT_SECTION(PAGE_SIZE) |
223 | _sinittext = .; | ||
224 | INIT_TEXT | ||
225 | _einittext = .; | ||
226 | } | ||
227 | #ifdef CONFIG_X86_64 | 205 | #ifdef CONFIG_X86_64 |
228 | :init | 206 | :init |
229 | #endif | 207 | #endif |
230 | 208 | ||
231 | .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { | 209 | INIT_DATA_SECTION(16) |
232 | INIT_DATA | ||
233 | } | ||
234 | |||
235 | . = ALIGN(16); | ||
236 | .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { | ||
237 | __setup_start = .; | ||
238 | *(.init.setup) | ||
239 | __setup_end = .; | ||
240 | } | ||
241 | .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) { | ||
242 | __initcall_start = .; | ||
243 | INITCALLS | ||
244 | __initcall_end = .; | ||
245 | } | ||
246 | |||
247 | .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { | ||
248 | __con_initcall_start = .; | ||
249 | *(.con_initcall.init) | ||
250 | __con_initcall_end = .; | ||
251 | } | ||
252 | 210 | ||
253 | .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { | 211 | .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { |
254 | __x86_cpu_dev_start = .; | 212 | __x86_cpu_dev_start = .; |
@@ -256,8 +214,6 @@ SECTIONS | |||
256 | __x86_cpu_dev_end = .; | 214 | __x86_cpu_dev_end = .; |
257 | } | 215 | } |
258 | 216 | ||
259 | SECURITY_INIT | ||
260 | |||
261 | . = ALIGN(8); | 217 | . = ALIGN(8); |
262 | .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) { | 218 | .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) { |
263 | __parainstructions = .; | 219 | __parainstructions = .; |
@@ -288,15 +244,6 @@ SECTIONS | |||
288 | EXIT_DATA | 244 | EXIT_DATA |
289 | } | 245 | } |
290 | 246 | ||
291 | #ifdef CONFIG_BLK_DEV_INITRD | ||
292 | . = ALIGN(PAGE_SIZE); | ||
293 | .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { | ||
294 | __initramfs_start = .; | ||
295 | *(.init.ramfs) | ||
296 | __initramfs_end = .; | ||
297 | } | ||
298 | #endif | ||
299 | |||
300 | #if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP) | 247 | #if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP) |
301 | PERCPU(PAGE_SIZE) | 248 | PERCPU(PAGE_SIZE) |
302 | #endif | 249 | #endif |