irq_disable_hazard(); 
static inline void mask_mips_irq(unsigned int irq){	clear_c0_status(0x100 << (irq - mips_cpu_irq_base));}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/569f75bd02d20043c4baf9fc38d937f37e7572b0/irq_cpu.c/clean/arch/mips/kernel/irq_cpu.c