u64 stab_rr; /* stab/slb round-robin counter */
u64 saved_r1; /* r1 save for RTAS calls */
u64 saved_msr; /* MSR saved here by enter_rtas */
- u8 proc_enabled; /* irq soft-enable flag */
+ u8 soft_enabled; /* irq soft-enable flag */
+ u8 hard_enabled; /* set if irqs are enabled in MSR */
+ u8 io_sync; /* writel() needs spin_unlock sync */
/* Stuff for accurate time accounting */
u64 user_time; /* accumulated usermode TB ticks */