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-rw-r--r--arch/arm64/include/asm/irq.h5
-rw-r--r--arch/arm64/include/asm/processor.h2
-rw-r--r--arch/arm64/include/asm/thread_info.h1
3 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm64/include/asm/irq.h b/arch/arm64/include/asm/irq.h
index 8ba89c4ca183..1ebe202b1a24 100644
--- a/arch/arm64/include/asm/irq.h
+++ b/arch/arm64/include/asm/irq.h
@@ -2,7 +2,6 @@
#define __ASM_IRQ_H
#define IRQ_STACK_SIZE THREAD_SIZE
-#define IRQ_STACK_START_SP THREAD_START_SP
#ifndef __ASSEMBLER__
@@ -26,9 +25,9 @@ static inline int nr_legacy_irqs(void)
static inline bool on_irq_stack(unsigned long sp)
{
unsigned long low = (unsigned long)raw_cpu_ptr(irq_stack);
- unsigned long high = low + IRQ_STACK_START_SP;
+ unsigned long high = low + IRQ_STACK_SIZE;
- return (low <= sp && sp <= high);
+ return (low <= sp && sp < high);
}
static inline bool on_task_stack(struct task_struct *tsk, unsigned long sp)
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index 64c9e78f9882..6687dd29f7e0 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -159,7 +159,7 @@ extern struct task_struct *cpu_switch_to(struct task_struct *prev,
struct task_struct *next);
#define task_pt_regs(p) \
- ((struct pt_regs *)(THREAD_START_SP + task_stack_page(p)) - 1)
+ ((struct pt_regs *)(THREAD_SIZE + task_stack_page(p)) - 1)
#define KSTK_EIP(tsk) ((unsigned long)task_pt_regs(tsk)->pc)
#define KSTK_ESP(tsk) user_stack_pointer(task_pt_regs(tsk))
diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h
index 46c3b93cf865..b29ab0e12e60 100644
--- a/arch/arm64/include/asm/thread_info.h
+++ b/arch/arm64/include/asm/thread_info.h
@@ -30,7 +30,6 @@
#endif
#define THREAD_SIZE 16384
-#define THREAD_START_SP (THREAD_SIZE - 16)
#ifndef __ASSEMBLY__