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Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
-rw-r--r--arch/x86/kernel/setup_percpu.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 7a40e068302d..9820d6d977c6 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -1,7 +1,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
#include <linux/init.h>
#include <linux/bootmem.h>
#include <linux/percpu.h>
@@ -12,6 +12,7 @@
#include <linux/pfn.h>
#include <asm/sections.h>
#include <asm/processor.h>
+#include <asm/desc.h>
#include <asm/setup.h>
#include <asm/mpspec.h>
#include <asm/apicdef.h>
@@ -33,7 +34,7 @@ EXPORT_PER_CPU_SYMBOL(cpu_number);
DEFINE_PER_CPU_READ_MOSTLY(unsigned long, this_cpu_off) = BOOT_PERCPU_OFFSET;
EXPORT_PER_CPU_SYMBOL(this_cpu_off);
-unsigned long __per_cpu_offset[NR_CPUS] __read_mostly = {
+unsigned long __per_cpu_offset[NR_CPUS] __ro_after_init = {
[0 ... NR_CPUS-1] = BOOT_PERCPU_OFFSET,
};
EXPORT_SYMBOL(__per_cpu_offset);
@@ -246,7 +247,7 @@ void __init setup_per_cpu_areas(void)
#ifdef CONFIG_X86_64
per_cpu(irq_stack_ptr, cpu) =
per_cpu(irq_stack_union.irq_stack, cpu) +
- IRQ_STACK_SIZE - 64;
+ IRQ_STACK_SIZE;
#endif
#ifdef CONFIG_NUMA
per_cpu(x86_cpu_to_node_map, cpu) =
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