diff options
Diffstat (limited to 'arch/s390/include/asm/processor.h')
| -rw-r--r-- | arch/s390/include/asm/processor.h | 50 |
1 files changed, 30 insertions, 20 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 2058a435add4..023a15dc25a3 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -38,6 +38,9 @@ #include <asm/runtime_instr.h> #include <asm/fpu/types.h> #include <asm/fpu/internal.h> +#include <asm/irqflags.h> + +typedef long (*sys_call_ptr_t)(struct pt_regs *regs); static inline void set_cpu_flag(int flag) { @@ -101,31 +104,32 @@ extern void __bpon(void); */ struct thread_struct { unsigned int acrs[NUM_ACRS]; - unsigned long ksp; /* kernel stack pointer */ - unsigned long user_timer; /* task cputime in user space */ - unsigned long guest_timer; /* task cputime in kvm guest */ - unsigned long system_timer; /* task cputime in kernel space */ - unsigned long hardirq_timer; /* task cputime in hardirq context */ - unsigned long softirq_timer; /* task cputime in softirq context */ - unsigned long sys_call_table; /* system call table address */ - unsigned long gmap_addr; /* address of last gmap fault. */ - unsigned int gmap_write_flag; /* gmap fault write indication */ - unsigned int gmap_int_code; /* int code of last gmap fault */ - unsigned int gmap_pfault; /* signal of a pending guest pfault */ + unsigned long ksp; /* kernel stack pointer */ + unsigned long user_timer; /* task cputime in user space */ + unsigned long guest_timer; /* task cputime in kvm guest */ + unsigned long system_timer; /* task cputime in kernel space */ + unsigned long hardirq_timer; /* task cputime in hardirq context */ + unsigned long softirq_timer; /* task cputime in softirq context */ + const sys_call_ptr_t *sys_call_table; /* system call table address */ + unsigned long gmap_addr; /* address of last gmap fault. */ + unsigned int gmap_write_flag; /* gmap fault write indication */ + unsigned int gmap_int_code; /* int code of last gmap fault */ + unsigned int gmap_pfault; /* signal of a pending guest pfault */ + /* Per-thread information related to debugging */ - struct per_regs per_user; /* User specified PER registers */ - struct per_event per_event; /* Cause of the last PER trap */ - unsigned long per_flags; /* Flags to control debug behavior */ - unsigned int system_call; /* system call number in signal */ - unsigned long last_break; /* last breaking-event-address. */ - /* pfault_wait is used to block the process on a pfault event */ + struct per_regs per_user; /* User specified PER registers */ + struct per_event per_event; /* Cause of the last PER trap */ + unsigned long per_flags; /* Flags to control debug behavior */ + unsigned int system_call; /* system call number in signal */ + unsigned long last_break; /* last breaking-event-address. */ + /* pfault_wait is used to block the process on a pfault event */ unsigned long pfault_wait; struct list_head list; /* cpu runtime instrumentation */ struct runtime_instr_cb *ri_cb; - struct gs_cb *gs_cb; /* Current guarded storage cb */ - struct gs_cb *gs_bc_cb; /* Broadcast guarded storage cb */ - unsigned char trap_tdb[256]; /* Transaction abort diagnose block */ + struct gs_cb *gs_cb; /* Current guarded storage cb */ + struct gs_cb *gs_bc_cb; /* Broadcast guarded storage cb */ + unsigned char trap_tdb[256]; /* Transaction abort diagnose block */ /* * Warning: 'fpu' is dynamically-sized. It *MUST* be at * the end. @@ -184,6 +188,7 @@ static inline void release_thread(struct task_struct *tsk) { } /* Free guarded storage control block */ void guarded_storage_release(struct task_struct *tsk); +void gs_load_bc_cb(struct pt_regs *regs); unsigned long get_wchan(struct task_struct *p); #define task_pt_regs(tsk) ((struct pt_regs *) \ @@ -324,6 +329,11 @@ extern void memcpy_absolute(void *, void *, size_t); extern int s390_isolate_bp(void); extern int s390_isolate_bp_guest(void); +static __always_inline bool regs_irqs_disabled(struct pt_regs *regs) +{ + return arch_irqs_disabled_flags(regs->psw.mask); +} + #endif /* __ASSEMBLY__ */ #endif /* __ASM_S390_PROCESSOR_H */ |