diff options
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/irq.h | 5 | ||||
| -rw-r--r-- | arch/arm64/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/thread_info.h | 1 | ||||
| -rw-r--r-- | arch/arm64/kernel/entry.S | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/smp.c | 2 |
5 files changed, 5 insertions, 7 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__ diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 612a077ba109..f31c7b26a686 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -272,7 +272,7 @@ alternative_else_nop_endif cbnz x25, 9998f adr_this_cpu x25, irq_stack, x26 - mov x26, #IRQ_STACK_START_SP + mov x26, #IRQ_STACK_SIZE add x26, x25, x26 /* switch to the irq stack */ diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index dc66e6ec3a99..f13ddb2404f9 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -154,7 +154,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle) * page tables. */ secondary_data.task = idle; - secondary_data.stack = task_stack_page(idle) + THREAD_START_SP; + secondary_data.stack = task_stack_page(idle) + THREAD_SIZE; update_cpu_boot_status(CPU_MMU_OFF); __flush_dcache_area(&secondary_data, sizeof(secondary_data)); |