BUG_ON((unsigned)nr > 0xFF); 
static inline void set_intr_gate_ist(int nr, void *func, unsigned ist) { 	_set_gate(&idt_table[nr], GATE_INTERRUPT, (unsigned long) func, 0, ist); } 
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/6004e1b7effcbb385a6b7c790e4b8008682cf679/desc.h/clean/include/asm-x86_64/desc.h