diff options
Diffstat (limited to 'include/asm-x86/thread_info_64.h')
| -rw-r--r-- | include/asm-x86/thread_info_64.h | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/include/asm-x86/thread_info_64.h b/include/asm-x86/thread_info_64.h index 6c9b214b8fc..1e5c6f6152c 100644 --- a/include/asm-x86/thread_info_64.h +++ b/include/asm-x86/thread_info_64.h @@ -29,9 +29,9 @@ struct thread_info { __u32 flags; /* low level flags */ __u32 status; /* thread synchronous flags */ __u32 cpu; /* current CPU */ - int preempt_count; /* 0 => preemptable, <0 => BUG */ - - mm_segment_t addr_limit; + int preempt_count; /* 0 => preemptable, + <0 => BUG */ + mm_segment_t addr_limit; struct restart_block restart_block; #ifdef CONFIG_IA32_EMULATION void __user *sysenter_return; @@ -61,17 +61,17 @@ struct thread_info { #define init_stack (init_thread_union.stack) static inline struct thread_info *current_thread_info(void) -{ +{ struct thread_info *ti; ti = (void *)(read_pda(kernelstack) + PDA_STACKOFFSET - THREAD_SIZE); - return ti; + return ti; } /* do not use in interrupt context */ static inline struct thread_info *stack_thread_info(void) { struct thread_info *ti; - __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (~(THREAD_SIZE - 1))); + asm("andq %%rsp,%0; " : "=r" (ti) : "0" (~(THREAD_SIZE - 1))); return ti; } @@ -82,8 +82,8 @@ static inline struct thread_info *stack_thread_info(void) #define THREAD_FLAGS GFP_KERNEL #endif -#define alloc_thread_info(tsk) \ - ((struct thread_info *) __get_free_pages(THREAD_FLAGS, THREAD_ORDER)) +#define alloc_thread_info(tsk) \ + ((struct thread_info *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER)) #define free_thread_info(ti) free_pages((unsigned long) (ti), THREAD_ORDER) @@ -98,7 +98,8 @@ static inline struct thread_info *stack_thread_info(void) /* * thread information flags - * - these are process state flags that various assembly files may need to access + * - these are process state flags that various assembly files + * may need to access * - pending work-to-be-done flags are in LSW * - other flags in MSW * Warning: layout of LSW is hardcoded in entry.S @@ -114,7 +115,7 @@ static inline struct thread_info *stack_thread_info(void) #define TIF_MCE_NOTIFY 10 /* notify userspace of an MCE */ #define TIF_HRTICK_RESCHED 11 /* reprogram hrtick timer */ /* 16 free */ -#define TIF_IA32 17 /* 32bit process */ +#define TIF_IA32 17 /* 32bit process */ #define TIF_FORK 18 /* ret_from_fork */ #define TIF_ABI_PENDING 19 #define TIF_MEMDIE 20 @@ -126,39 +127,40 @@ static inline struct thread_info *stack_thread_info(void) #define TIF_DS_AREA_MSR 26 /* uses thread_struct.ds_area_msr */ #define TIF_BTS_TRACE_TS 27 /* record scheduling event timestamps */ -#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) -#define _TIF_SIGPENDING (1<<TIF_SIGPENDING) -#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) -#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_IRET (1<<TIF_IRET) -#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) -#define _TIF_SECCOMP (1<<TIF_SECCOMP) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) -#define _TIF_MCE_NOTIFY (1<<TIF_MCE_NOTIFY) -#define _TIF_HRTICK_RESCHED (1<<TIF_HRTICK_RESCHED) -#define _TIF_IA32 (1<<TIF_IA32) -#define _TIF_FORK (1<<TIF_FORK) -#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) -#define _TIF_DEBUG (1<<TIF_DEBUG) -#define _TIF_IO_BITMAP (1<<TIF_IO_BITMAP) -#define _TIF_FREEZE (1<<TIF_FREEZE) -#define _TIF_FORCED_TF (1<<TIF_FORCED_TF) -#define _TIF_DEBUGCTLMSR (1<<TIF_DEBUGCTLMSR) -#define _TIF_DS_AREA_MSR (1<<TIF_DS_AREA_MSR) -#define _TIF_BTS_TRACE_TS (1<<TIF_BTS_TRACE_TS) +#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) +#define _TIF_SIGPENDING (1 << TIF_SIGPENDING) +#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) +#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) +#define _TIF_IRET (1 << TIF_IRET) +#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) +#define _TIF_SECCOMP (1 << TIF_SECCOMP) +#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) +#define _TIF_MCE_NOTIFY (1 << TIF_MCE_NOTIFY) +#define _TIF_HRTICK_RESCHED (1 << TIF_HRTICK_RESCHED) +#define _TIF_IA32 (1 << TIF_IA32) +#define _TIF_FORK (1 << TIF_FORK) +#define _TIF_ABI_PENDING (1 << TIF_ABI_PENDING) +#define _TIF_DEBUG (1 << TIF_DEBUG) +#define _TIF_IO_BITMAP (1 << TIF_IO_BITMAP) +#define _TIF_FREEZE (1 << TIF_FREEZE) +#define _TIF_FORCED_TF (1 << TIF_FORCED_TF) +#define _TIF_DEBUGCTLMSR (1 << TIF_DEBUGCTLMSR) +#define _TIF_DS_AREA_MSR (1 << TIF_DS_AREA_MSR) +#define _TIF_BTS_TRACE_TS (1 << TIF_BTS_TRACE_TS) /* work to do on interrupt/exception return */ -#define _TIF_WORK_MASK \ - (0x0000FFFF & ~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP|_TIF_SECCOMP)) +#define _TIF_WORK_MASK \ + (0x0000FFFF & \ + ~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP|_TIF_SECCOMP)) /* work to do on any return to user space */ #define _TIF_ALLWORK_MASK (0x0000FFFF & ~_TIF_SECCOMP) -#define _TIF_DO_NOTIFY_MASK \ +#define _TIF_DO_NOTIFY_MASK \ (_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY|_TIF_HRTICK_RESCHED) /* flags to check in __switch_to() */ -#define _TIF_WORK_CTXSW \ - (_TIF_IO_BITMAP|_TIF_DEBUGCTLMSR|_TIF_DS_AREA_MSR|_TIF_BTS_TRACE_TS) +#define _TIF_WORK_CTXSW \ + (_TIF_IO_BITMAP|_TIF_DEBUGCTLMSR|_TIF_DS_AREA_MSR|_TIF_BTS_TRACE_TS) #define _TIF_WORK_CTXSW_PREV _TIF_WORK_CTXSW #define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW|_TIF_DEBUG) @@ -171,9 +173,11 @@ static inline struct thread_info *stack_thread_info(void) * ever touches our thread-synchronous status, so we don't * have to worry about atomic accesses. */ -#define TS_USEDFPU 0x0001 /* FPU was used by this task this quantum (SMP) */ +#define TS_USEDFPU 0x0001 /* FPU was used by this task + this quantum (SMP) */ #define TS_COMPAT 0x0002 /* 32bit syscall active */ -#define TS_POLLING 0x0004 /* true if in idle loop and not sleeping */ +#define TS_POLLING 0x0004 /* true if in idle loop + and not sleeping */ #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING) |