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