diff options
Diffstat (limited to 'arch/xtensa/include/asm/thread_info.h')
| -rw-r--r-- | arch/xtensa/include/asm/thread_info.h | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h index f333f10a7650..5b74dfc35ef9 100644 --- a/arch/xtensa/include/asm/thread_info.h +++ b/arch/xtensa/include/asm/thread_info.h @@ -16,7 +16,7 @@ #define CURRENT_SHIFT KERNEL_STACK_SHIFT -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ # include <asm/processor.h> #endif @@ -28,7 +28,7 @@ * must also be changed */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #if XTENSA_HAVE_COPROCESSORS @@ -52,10 +52,21 @@ struct thread_info { __u32 cpu; /* current CPU */ __s32 preempt_count; /* 0 => preemptable,< 0 => BUG*/ - mm_segment_t addr_limit; /* thread address space */ +#if XCHAL_HAVE_EXCLUSIVE + /* result of the most recent exclusive store */ + unsigned long atomctl8; +#endif +#ifdef CONFIG_USER_ABI_CALL0_PROBE + /* Address where PS.WOE was enabled by the ABI probing code */ + unsigned long ps_woe_fix_addr; +#endif + /* + * If i-th bit is set then coprocessor state is loaded into the + * coprocessor i on CPU cp_owner_cpu. + */ unsigned long cpenable; - + u32 cp_owner_cpu; /* Allocate storage for extra user states and coprocessor states. */ #if XTENSA_HAVE_COPROCESSORS xtregs_coprocessor_t xtregs_cp; @@ -69,7 +80,7 @@ struct thread_info { * macros/functions for gaining access to the thread information structure */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define INIT_THREAD_INFO(tsk) \ { \ @@ -77,11 +88,10 @@ struct thread_info { .flags = 0, \ .cpu = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ } /* how to get the thread information struct from C */ -static inline struct thread_info *current_thread_info(void) +static __always_inline struct thread_info *current_thread_info(void) { struct thread_info *ti; __asm__("extui %0, a1, 0, "__stringify(CURRENT_SHIFT)"\n\t" @@ -89,7 +99,7 @@ static inline struct thread_info *current_thread_info(void) return ti; } -#else /* !__ASSEMBLY__ */ +#else /* !__ASSEMBLER__ */ /* how to get the thread information struct from ASM */ #define GET_THREAD_INFO(reg,sp) \ @@ -107,28 +117,27 @@ static inline struct thread_info *current_thread_info(void) #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */ #define TIF_SYSCALL_TRACEPOINT 4 /* syscall tracepoint instrumentation */ -#define TIF_MEMDIE 5 /* is terminating due to OOM killer */ +#define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */ #define TIF_RESTORE_SIGMASK 6 /* restore signal mask in do_signal() */ #define TIF_NOTIFY_RESUME 7 /* callback before returning to user */ #define TIF_DB_DISABLED 8 /* debug trap disabled for syscall */ +#define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */ +#define TIF_SECCOMP 10 /* secure computing */ +#define TIF_MEMDIE 11 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) +#define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL) +#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) +#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) +#define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_WORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ - _TIF_SYSCALL_TRACEPOINT) - -/* - * Thread-synchronous status. - * - * This is different from the flags in that nobody else - * 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) */ + _TIF_SYSCALL_TRACEPOINT | \ + _TIF_SYSCALL_AUDIT | _TIF_SECCOMP) #define THREAD_SIZE KERNEL_STACK_SIZE #define THREAD_SIZE_ORDER (KERNEL_STACK_SHIFT - PAGE_SHIFT) |