aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/Makefile10
-rw-r--r--arch/x86/kernel/cpu/bugs.c8
-rw-r--r--arch/x86/kernel/efi.c2
-rw-r--r--arch/x86/kernel/efi_32.c1
-rw-r--r--arch/x86/kernel/entry_32.S2
-rw-r--r--arch/x86/kernel/entry_64.S2
-rw-r--r--arch/x86/kernel/head_32.S2
-rw-r--r--arch/x86/kernel/head_64.S2
-rw-r--r--arch/x86/kernel/i387.c2
-rw-r--r--arch/x86/kernel/i8259_32.c25
-rw-r--r--arch/x86/kernel/io_delay.c1
-rw-r--r--arch/x86/kernel/kprobes.c4
-rw-r--r--arch/x86/kernel/nmi_32.c21
-rw-r--r--arch/x86/kernel/nmi_64.c21
-rw-r--r--arch/x86/kernel/setup_32.c1
-rw-r--r--arch/x86/kernel/setup_64.c6
-rw-r--r--arch/x86/kernel/topology.c2
-rw-r--r--arch/x86/kernel/vmlinux_32.lds.S26
-rw-r--r--arch/x86/kernel/vmlinux_64.lds.S30
19 files changed, 74 insertions, 94 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 76ec0f8f138a..4eb5ce841106 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -6,7 +6,15 @@ extra-y := head_$(BITS).o init_task.o vmlinux.lds
6extra-$(CONFIG_X86_64) += head64.o 6extra-$(CONFIG_X86_64) += head64.o
7 7
8CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE) 8CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
9CFLAGS_vsyscall_64.o := $(PROFILING) -g0 9
10#
11# vsyscalls (which work on the user stack) should have
12# no stack-protector checks:
13#
14nostackp := $(call cc-option, -fno-stack-protector)
15CFLAGS_vsyscall_64.o := $(PROFILING) -g0 $(nostackp)
16CFLAGS_hpet.o := $(nostackp)
17CFLAGS_tsc_64.o := $(nostackp)
10 18
11obj-y := process_$(BITS).o signal_$(BITS).o entry_$(BITS).o 19obj-y := process_$(BITS).o signal_$(BITS).o entry_$(BITS).o
12obj-y += traps_$(BITS).o irq_$(BITS).o 20obj-y += traps_$(BITS).o irq_$(BITS).o
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 9b95edcfc6ae..027e5c003b16 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -25,14 +25,6 @@ static int __init no_halt(char *s)
25 25
26__setup("no-hlt", no_halt); 26__setup("no-hlt", no_halt);
27 27
28static int __init mca_pentium(char *s)
29{
30 mca_pentium_flag = 1;
31 return 1;
32}
33
34__setup("mca-pentium", mca_pentium);
35
36static int __init no_387(char *s) 28static int __init no_387(char *s)
37{ 29{
38 boot_cpu_data.hard_math = 0; 30 boot_cpu_data.hard_math = 0;
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index 0c0eeb163d90..759e02bec070 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -54,7 +54,7 @@ EXPORT_SYMBOL(efi);
54 54
55struct efi_memory_map memmap; 55struct efi_memory_map memmap;
56 56
57struct efi efi_phys __initdata; 57static struct efi efi_phys __initdata;
58static efi_system_table_t efi_systab __initdata; 58static efi_system_table_t efi_systab __initdata;
59 59
60static int __init setup_noefi(char *arg) 60static int __init setup_noefi(char *arg)
diff --git a/arch/x86/kernel/efi_32.c b/arch/x86/kernel/efi_32.c
index cb91f985b4a1..5d23d85624d4 100644
--- a/arch/x86/kernel/efi_32.c
+++ b/arch/x86/kernel/efi_32.c
@@ -28,6 +28,7 @@
28#include <asm/page.h> 28#include <asm/page.h>
29#include <asm/pgtable.h> 29#include <asm/pgtable.h>
30#include <asm/tlbflush.h> 30#include <asm/tlbflush.h>
31#include <asm/efi.h>
31 32
32/* 33/*
33 * To make EFI call EFI runtime service in physical addressing mode we need 34 * To make EFI call EFI runtime service in physical addressing mode we need
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 824e21b80aad..4b87c32b639f 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -409,7 +409,7 @@ restore_nocheck_notrace:
409 RESTORE_REGS 409 RESTORE_REGS
410 addl $4, %esp # skip orig_eax/error_code 410 addl $4, %esp # skip orig_eax/error_code
411 CFI_ADJUST_CFA_OFFSET -4 411 CFI_ADJUST_CFA_OFFSET -4
412ENTRY(irq_return) 412irq_return:
413 INTERRUPT_RETURN 413 INTERRUPT_RETURN
414.section .fixup,"ax" 414.section .fixup,"ax"
415iret_exc: 415iret_exc:
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 6be39a387c5a..2ad9a1bc6a73 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -583,7 +583,7 @@ retint_restore_args: /* return to kernel space */
583restore_args: 583restore_args:
584 RESTORE_ARGS 0,8,0 584 RESTORE_ARGS 0,8,0
585 585
586ENTRY(irq_return) 586irq_return:
587 INTERRUPT_RETURN 587 INTERRUPT_RETURN
588 588
589 .section __ex_table, "a" 589 .section __ex_table, "a"
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 74ef4a41f224..25eb98540a41 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -612,7 +612,7 @@ ENTRY(swapper_pg_pmd)
612ENTRY(swapper_pg_dir) 612ENTRY(swapper_pg_dir)
613 .fill 1024,4,0 613 .fill 1024,4,0
614#endif 614#endif
615ENTRY(swapper_pg_fixmap) 615swapper_pg_fixmap:
616 .fill 1024,4,0 616 .fill 1024,4,0
617ENTRY(empty_zero_page) 617ENTRY(empty_zero_page)
618 .fill 4096,1,0 618 .fill 4096,1,0
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 53e5820d6054..eb415043a929 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -255,7 +255,7 @@ ENTRY(secondary_startup_64)
255 lretq 255 lretq
256 256
257 /* SMP bootup changes these two */ 257 /* SMP bootup changes these two */
258 __CPUINITDATA 258 __REFDATA
259 .align 8 259 .align 8
260 ENTRY(initial_code) 260 ENTRY(initial_code)
261 .quad x86_64_start_kernel 261 .quad x86_64_start_kernel
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 26719bd2c77c..763dfc407232 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -39,7 +39,7 @@
39#define HAVE_HWFP 1 39#define HAVE_HWFP 1
40#endif 40#endif
41 41
42unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu; 42static unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu;
43 43
44void mxcsr_feature_mask_init(void) 44void mxcsr_feature_mask_init(void)
45{ 45{
diff --git a/arch/x86/kernel/i8259_32.c b/arch/x86/kernel/i8259_32.c
index 2d25b77102fe..fe631967d625 100644
--- a/arch/x86/kernel/i8259_32.c
+++ b/arch/x86/kernel/i8259_32.c
@@ -26,8 +26,6 @@
26 * present in the majority of PC/AT boxes. 26 * present in the majority of PC/AT boxes.
27 * plus some generic x86 specific things if generic specifics makes 27 * plus some generic x86 specific things if generic specifics makes
28 * any sense at all. 28 * any sense at all.
29 * this file should become arch/i386/kernel/irq.c when the old irq.c
30 * moves to arch independent land
31 */ 29 */
32 30
33static int i8259A_auto_eoi; 31static int i8259A_auto_eoi;
@@ -362,23 +360,12 @@ void __init init_ISA_irqs (void)
362#endif 360#endif
363 init_8259A(0); 361 init_8259A(0);
364 362
365 for (i = 0; i < NR_IRQS; i++) { 363 /*
366 irq_desc[i].status = IRQ_DISABLED; 364 * 16 old-style INTA-cycle interrupts:
367 irq_desc[i].action = NULL; 365 */
368 irq_desc[i].depth = 1; 366 for (i = 0; i < 16; i++) {
369 367 set_irq_chip_and_handler_name(i, &i8259A_chip,
370 if (i < 16) { 368 handle_level_irq, "XT");
371 /*
372 * 16 old-style INTA-cycle interrupts:
373 */
374 set_irq_chip_and_handler_name(i, &i8259A_chip,
375 handle_level_irq, "XT");
376 } else {
377 /*
378 * 'high' PCI IRQs filled in on demand
379 */
380 irq_desc[i].chip = &no_irq_chip;
381 }
382 } 369 }
383} 370}
384 371
diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c
index bd49321034db..c706a3061553 100644
--- a/arch/x86/kernel/io_delay.c
+++ b/arch/x86/kernel/io_delay.c
@@ -13,7 +13,6 @@
13#include <asm/io.h> 13#include <asm/io.h>
14 14
15int io_delay_type __read_mostly = CONFIG_DEFAULT_IO_DELAY_TYPE; 15int io_delay_type __read_mostly = CONFIG_DEFAULT_IO_DELAY_TYPE;
16EXPORT_SYMBOL_GPL(io_delay_type);
17 16
18static int __initdata io_delay_override; 17static int __initdata io_delay_override;
19 18
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index a99e764fd66a..34a591283f5d 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -581,7 +581,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
581 * When a retprobed function returns, this code saves registers and 581 * When a retprobed function returns, this code saves registers and
582 * calls trampoline_handler() runs, which calls the kretprobe's handler. 582 * calls trampoline_handler() runs, which calls the kretprobe's handler.
583 */ 583 */
584void __kprobes kretprobe_trampoline_holder(void) 584static void __used __kprobes kretprobe_trampoline_holder(void)
585{ 585{
586 asm volatile ( 586 asm volatile (
587 ".global kretprobe_trampoline\n" 587 ".global kretprobe_trampoline\n"
@@ -673,7 +673,7 @@ void __kprobes kretprobe_trampoline_holder(void)
673/* 673/*
674 * Called from kretprobe_trampoline 674 * Called from kretprobe_trampoline
675 */ 675 */
676void * __kprobes trampoline_handler(struct pt_regs *regs) 676static __used __kprobes void *trampoline_handler(struct pt_regs *regs)
677{ 677{
678 struct kretprobe_instance *ri = NULL; 678 struct kretprobe_instance *ri = NULL;
679 struct hlist_head *head, empty_rp; 679 struct hlist_head *head, empty_rp;
diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c
index edd413650b3b..6a0aa7038685 100644
--- a/arch/x86/kernel/nmi_32.c
+++ b/arch/x86/kernel/nmi_32.c
@@ -46,9 +46,6 @@ static unsigned int nmi_hz = HZ;
46 46
47static DEFINE_PER_CPU(short, wd_enabled); 47static DEFINE_PER_CPU(short, wd_enabled);
48 48
49/* local prototypes */
50static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu);
51
52static int endflag __initdata = 0; 49static int endflag __initdata = 0;
53 50
54#ifdef CONFIG_SMP 51#ifdef CONFIG_SMP
@@ -391,15 +388,6 @@ __kprobes int nmi_watchdog_tick(struct pt_regs * regs, unsigned reason)
391 return rc; 388 return rc;
392} 389}
393 390
394int do_nmi_callback(struct pt_regs * regs, int cpu)
395{
396#ifdef CONFIG_SYSCTL
397 if (unknown_nmi_panic)
398 return unknown_nmi_panic_callback(regs, cpu);
399#endif
400 return 0;
401}
402
403#ifdef CONFIG_SYSCTL 391#ifdef CONFIG_SYSCTL
404 392
405static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu) 393static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu)
@@ -453,6 +441,15 @@ int proc_nmi_enabled(struct ctl_table *table, int write, struct file *file,
453 441
454#endif 442#endif
455 443
444int do_nmi_callback(struct pt_regs *regs, int cpu)
445{
446#ifdef CONFIG_SYSCTL
447 if (unknown_nmi_panic)
448 return unknown_nmi_panic_callback(regs, cpu);
449#endif
450 return 0;
451}
452
456void __trigger_all_cpu_backtrace(void) 453void __trigger_all_cpu_backtrace(void)
457{ 454{
458 int i; 455 int i;
diff --git a/arch/x86/kernel/nmi_64.c b/arch/x86/kernel/nmi_64.c
index fb99484d21cf..9a4fde74bee1 100644
--- a/arch/x86/kernel/nmi_64.c
+++ b/arch/x86/kernel/nmi_64.c
@@ -46,9 +46,6 @@ static unsigned int nmi_hz = HZ;
46 46
47static DEFINE_PER_CPU(short, wd_enabled); 47static DEFINE_PER_CPU(short, wd_enabled);
48 48
49/* local prototypes */
50static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu);
51
52/* Run after command line and cpu_init init, but before all other checks */ 49/* Run after command line and cpu_init init, but before all other checks */
53void nmi_watchdog_default(void) 50void nmi_watchdog_default(void)
54{ 51{
@@ -394,15 +391,6 @@ asmlinkage __kprobes void do_nmi(struct pt_regs * regs, long error_code)
394 nmi_exit(); 391 nmi_exit();
395} 392}
396 393
397int do_nmi_callback(struct pt_regs * regs, int cpu)
398{
399#ifdef CONFIG_SYSCTL
400 if (unknown_nmi_panic)
401 return unknown_nmi_panic_callback(regs, cpu);
402#endif
403 return 0;
404}
405
406void stop_nmi(void) 394void stop_nmi(void)
407{ 395{
408 acpi_nmi_disable(); 396 acpi_nmi_disable();
@@ -464,6 +452,15 @@ int proc_nmi_enabled(struct ctl_table *table, int write, struct file *file,
464 452
465#endif 453#endif
466 454
455int do_nmi_callback(struct pt_regs *regs, int cpu)
456{
457#ifdef CONFIG_SYSCTL
458 if (unknown_nmi_panic)
459 return unknown_nmi_panic_callback(regs, cpu);
460#endif
461 return 0;
462}
463
467void __trigger_all_cpu_backtrace(void) 464void __trigger_all_cpu_backtrace(void)
468{ 465{
469 int i; 466 int i;
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index 691ab4cb167b..a1d7071a51c9 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -164,7 +164,6 @@ unsigned long mmu_cr4_features = X86_CR4_PAE;
164unsigned int machine_id; 164unsigned int machine_id;
165unsigned int machine_submodel_id; 165unsigned int machine_submodel_id;
166unsigned int BIOS_revision; 166unsigned int BIOS_revision;
167unsigned int mca_pentium_flag;
168 167
169/* Boot loader ID as an integer, for the benefit of proc_dointvec */ 168/* Boot loader ID as an integer, for the benefit of proc_dointvec */
170int bootloader_type; 169int bootloader_type;
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index c0d8208af12a..6fd804f07821 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -518,7 +518,7 @@ static void __cpuinit display_cacheinfo(struct cpuinfo_x86 *c)
518} 518}
519 519
520#ifdef CONFIG_NUMA 520#ifdef CONFIG_NUMA
521static int nearby_node(int apicid) 521static int __cpuinit nearby_node(int apicid)
522{ 522{
523 int i, node; 523 int i, node;
524 524
@@ -791,7 +791,7 @@ static int __cpuinit intel_num_cpu_cores(struct cpuinfo_x86 *c)
791 return 1; 791 return 1;
792} 792}
793 793
794static void srat_detect_node(void) 794static void __cpuinit srat_detect_node(void)
795{ 795{
796#ifdef CONFIG_NUMA 796#ifdef CONFIG_NUMA
797 unsigned node; 797 unsigned node;
@@ -1046,7 +1046,7 @@ __setup("noclflush", setup_noclflush);
1046void __cpuinit print_cpu_info(struct cpuinfo_x86 *c) 1046void __cpuinit print_cpu_info(struct cpuinfo_x86 *c)
1047{ 1047{
1048 if (c->x86_model_id[0]) 1048 if (c->x86_model_id[0])
1049 printk(KERN_INFO "%s", c->x86_model_id); 1049 printk(KERN_CONT "%s", c->x86_model_id);
1050 1050
1051 if (c->x86_mask || c->cpuid_level >= 0) 1051 if (c->x86_mask || c->cpuid_level >= 0)
1052 printk(KERN_CONT " stepping %02x\n", c->x86_mask); 1052 printk(KERN_CONT " stepping %02x\n", c->x86_mask);
diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
index a40051b71d9b..0fcc95a354f7 100644
--- a/arch/x86/kernel/topology.c
+++ b/arch/x86/kernel/topology.c
@@ -34,7 +34,7 @@
34static DEFINE_PER_CPU(struct x86_cpu, cpu_devices); 34static DEFINE_PER_CPU(struct x86_cpu, cpu_devices);
35 35
36#ifdef CONFIG_HOTPLUG_CPU 36#ifdef CONFIG_HOTPLUG_CPU
37int arch_register_cpu(int num) 37int __ref arch_register_cpu(int num)
38{ 38{
39 /* 39 /*
40 * CPU0 cannot be offlined due to several 40 * CPU0 cannot be offlined due to several
diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S
index f1148ac8abe3..2ffa9656fe7a 100644
--- a/arch/x86/kernel/vmlinux_32.lds.S
+++ b/arch/x86/kernel/vmlinux_32.lds.S
@@ -38,7 +38,7 @@ SECTIONS
38 38
39 /* read-only */ 39 /* read-only */
40 .text : AT(ADDR(.text) - LOAD_OFFSET) { 40 .text : AT(ADDR(.text) - LOAD_OFFSET) {
41 . = ALIGN(4096); /* not really needed, already page aligned */ 41 . = ALIGN(PAGE_SIZE); /* not really needed, already page aligned */
42 *(.text.page_aligned) 42 *(.text.page_aligned)
43 TEXT_TEXT 43 TEXT_TEXT
44 SCHED_TEXT 44 SCHED_TEXT
@@ -70,21 +70,21 @@ SECTIONS
70 RODATA 70 RODATA
71 71
72 /* writeable */ 72 /* writeable */
73 . = ALIGN(4096); 73 . = ALIGN(PAGE_SIZE);
74 .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */ 74 .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
75 DATA_DATA 75 DATA_DATA
76 CONSTRUCTORS 76 CONSTRUCTORS
77 } :data 77 } :data
78 78
79 . = ALIGN(4096); 79 . = ALIGN(PAGE_SIZE);
80 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { 80 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
81 __nosave_begin = .; 81 __nosave_begin = .;
82 *(.data.nosave) 82 *(.data.nosave)
83 . = ALIGN(4096); 83 . = ALIGN(PAGE_SIZE);
84 __nosave_end = .; 84 __nosave_end = .;
85 } 85 }
86 86
87 . = ALIGN(4096); 87 . = ALIGN(PAGE_SIZE);
88 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) { 88 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
89 *(.data.page_aligned) 89 *(.data.page_aligned)
90 *(.data.idt) 90 *(.data.idt)
@@ -108,7 +108,7 @@ SECTIONS
108 } 108 }
109 109
110 /* might get freed after init */ 110 /* might get freed after init */
111 . = ALIGN(4096); 111 . = ALIGN(PAGE_SIZE);
112 .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) { 112 .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
113 __smp_locks = .; 113 __smp_locks = .;
114 *(.smp_locks) 114 *(.smp_locks)
@@ -120,10 +120,10 @@ SECTIONS
120 * after boot. Always make sure that ALIGN() directive is present after 120 * after boot. Always make sure that ALIGN() directive is present after
121 * the section which contains __smp_alt_end. 121 * the section which contains __smp_alt_end.
122 */ 122 */
123 . = ALIGN(4096); 123 . = ALIGN(PAGE_SIZE);
124 124
125 /* will be freed after init */ 125 /* will be freed after init */
126 . = ALIGN(4096); /* Init code and data */ 126 . = ALIGN(PAGE_SIZE); /* Init code and data */
127 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { 127 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
128 __init_begin = .; 128 __init_begin = .;
129 _sinittext = .; 129 _sinittext = .;
@@ -174,23 +174,23 @@ SECTIONS
174 EXIT_DATA 174 EXIT_DATA
175 } 175 }
176#if defined(CONFIG_BLK_DEV_INITRD) 176#if defined(CONFIG_BLK_DEV_INITRD)
177 . = ALIGN(4096); 177 . = ALIGN(PAGE_SIZE);
178 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { 178 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
179 __initramfs_start = .; 179 __initramfs_start = .;
180 *(.init.ramfs) 180 *(.init.ramfs)
181 __initramfs_end = .; 181 __initramfs_end = .;
182 } 182 }
183#endif 183#endif
184 . = ALIGN(4096); 184 . = ALIGN(PAGE_SIZE);
185 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { 185 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
186 __per_cpu_start = .; 186 __per_cpu_start = .;
187 *(.data.percpu) 187 *(.data.percpu)
188 *(.data.percpu.shared_aligned) 188 *(.data.percpu.shared_aligned)
189 __per_cpu_end = .; 189 __per_cpu_end = .;
190 } 190 }
191 . = ALIGN(4096); 191 . = ALIGN(PAGE_SIZE);
192 /* freed after init ends here */ 192 /* freed after init ends here */
193 193
194 .bss : AT(ADDR(.bss) - LOAD_OFFSET) { 194 .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
195 __init_end = .; 195 __init_end = .;
196 __bss_start = .; /* BSS */ 196 __bss_start = .; /* BSS */
@@ -200,7 +200,7 @@ SECTIONS
200 __bss_stop = .; 200 __bss_stop = .;
201 _end = . ; 201 _end = . ;
202 /* This is where the kernel creates the early boot page tables */ 202 /* This is where the kernel creates the early boot page tables */
203 . = ALIGN(4096); 203 . = ALIGN(PAGE_SIZE);
204 pg0 = . ; 204 pg0 = . ;
205 } 205 }
206 206
diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S
index 0992b9946c6f..fab132299735 100644
--- a/arch/x86/kernel/vmlinux_64.lds.S
+++ b/arch/x86/kernel/vmlinux_64.lds.S
@@ -37,7 +37,7 @@ SECTIONS
37 KPROBES_TEXT 37 KPROBES_TEXT
38 *(.fixup) 38 *(.fixup)
39 *(.gnu.warning) 39 *(.gnu.warning)
40 _etext = .; /* End of text section */ 40 _etext = .; /* End of text section */
41 } :text = 0x9090 41 } :text = 0x9090
42 42
43 . = ALIGN(16); /* Exception table */ 43 . = ALIGN(16); /* Exception table */
@@ -60,7 +60,7 @@ SECTIONS
60 __tracedata_end = .; 60 __tracedata_end = .;
61 } 61 }
62 62
63 . = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */ 63 . = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */
64 /* Data */ 64 /* Data */
65 .data : AT(ADDR(.data) - LOAD_OFFSET) { 65 .data : AT(ADDR(.data) - LOAD_OFFSET) {
66 DATA_DATA 66 DATA_DATA
@@ -119,7 +119,7 @@ SECTIONS
119 .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3)) 119 .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3))
120 { *(.vsyscall_3) } 120 { *(.vsyscall_3) }
121 121
122 . = VSYSCALL_VIRT_ADDR + 4096; 122 . = VSYSCALL_VIRT_ADDR + PAGE_SIZE;
123 123
124#undef VSYSCALL_ADDR 124#undef VSYSCALL_ADDR
125#undef VSYSCALL_PHYS_ADDR 125#undef VSYSCALL_PHYS_ADDR
@@ -129,28 +129,28 @@ SECTIONS
129#undef VVIRT_OFFSET 129#undef VVIRT_OFFSET
130#undef VVIRT 130#undef VVIRT
131 131
132 . = ALIGN(8192); /* init_task */ 132 . = ALIGN(THREAD_SIZE); /* init_task */
133 .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) { 133 .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
134 *(.data.init_task) 134 *(.data.init_task)
135 }:data.init 135 }:data.init
136 136
137 . = ALIGN(4096); 137 . = ALIGN(PAGE_SIZE);
138 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) { 138 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
139 *(.data.page_aligned) 139 *(.data.page_aligned)
140 } 140 }
141 141
142 /* might get freed after init */ 142 /* might get freed after init */
143 . = ALIGN(4096); 143 . = ALIGN(PAGE_SIZE);
144 __smp_alt_begin = .; 144 __smp_alt_begin = .;
145 __smp_locks = .; 145 __smp_locks = .;
146 .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) { 146 .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
147 *(.smp_locks) 147 *(.smp_locks)
148 } 148 }
149 __smp_locks_end = .; 149 __smp_locks_end = .;
150 . = ALIGN(4096); 150 . = ALIGN(PAGE_SIZE);
151 __smp_alt_end = .; 151 __smp_alt_end = .;
152 152
153 . = ALIGN(4096); /* Init code and data */ 153 . = ALIGN(PAGE_SIZE); /* Init code and data */
154 __init_begin = .; 154 __init_begin = .;
155 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { 155 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
156 _sinittext = .; 156 _sinittext = .;
@@ -191,7 +191,7 @@ SECTIONS
191 .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) { 191 .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
192 *(.altinstructions) 192 *(.altinstructions)
193 } 193 }
194 __alt_instructions_end = .; 194 __alt_instructions_end = .;
195 .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) { 195 .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
196 *(.altinstr_replacement) 196 *(.altinstr_replacement)
197 } 197 }
@@ -207,25 +207,25 @@ SECTIONS
207/* vdso blob that is mapped into user space */ 207/* vdso blob that is mapped into user space */
208 vdso_start = . ; 208 vdso_start = . ;
209 .vdso : AT(ADDR(.vdso) - LOAD_OFFSET) { *(.vdso) } 209 .vdso : AT(ADDR(.vdso) - LOAD_OFFSET) { *(.vdso) }
210 . = ALIGN(4096); 210 . = ALIGN(PAGE_SIZE);
211 vdso_end = .; 211 vdso_end = .;
212 212
213#ifdef CONFIG_BLK_DEV_INITRD 213#ifdef CONFIG_BLK_DEV_INITRD
214 . = ALIGN(4096); 214 . = ALIGN(PAGE_SIZE);
215 __initramfs_start = .; 215 __initramfs_start = .;
216 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) } 216 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
217 __initramfs_end = .; 217 __initramfs_end = .;
218#endif 218#endif
219 219
220 PERCPU(4096) 220 PERCPU(PAGE_SIZE)
221 221
222 . = ALIGN(4096); 222 . = ALIGN(PAGE_SIZE);
223 __init_end = .; 223 __init_end = .;
224 224
225 . = ALIGN(4096); 225 . = ALIGN(PAGE_SIZE);
226 __nosave_begin = .; 226 __nosave_begin = .;
227 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) } 227 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }
228 . = ALIGN(4096); 228 . = ALIGN(PAGE_SIZE);
229 __nosave_end = .; 229 __nosave_end = .;
230 230
231 __bss_start = .; /* BSS */ 231 __bss_start = .; /* BSS */