current_stack_pointer 121 arch/x86/kernel/irq_32.c irqctx->tinfo.previous_esp = current_stack_pointer; current_stack_pointer 197 arch/x86/kernel/irq_32.c irqctx->tinfo.previous_esp = current_stack_pointer; current_stack_pointer 174 include/asm-x86/thread_info.h register unsigned long current_stack_pointer asm("esp") __used; current_stack_pointer 180 include/asm-x86/thread_info.h (current_stack_pointer & ~(THREAD_SIZE - 1));