Merge tag 'usercopy-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

[cascardo/linux.git] / arch / x86 / include / asm / thread_info.h

diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index ab386f1..8b7c8d8 100644 (file)
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -57,9 +57,6 @@ struct thread_info {
        __u32                   flags;          /* low level flags */
        __u32                   status;         /* thread synchronous flags */
        __u32                   cpu;            /* current CPU */
-       mm_segment_t            addr_limit;
-       unsigned int            sig_on_uaccess_error:1;
-       unsigned int            uaccess_err:1;  /* uaccess failed */
 };
 
 #define INIT_THREAD_INFO(tsk)                  \
@@ -67,7 +64,6 @@ struct thread_info {
        .task           = &tsk,                 \
        .flags          = 0,                    \
        .cpu            = 0,                    \
-       .addr_limit     = KERNEL_DS,            \
 }
 
 #define init_thread_info       (init_thread_union.thread_info)
@@ -230,11 +226,6 @@ static inline int arch_within_stack_frames(const void * const stack,
 # define cpu_current_top_of_stack (cpu_tss + TSS_sp0)
 #endif
 
-/* Load thread_info address into "reg" */
-#define GET_THREAD_INFO(reg) \
-       _ASM_MOV PER_CPU_VAR(cpu_current_top_of_stack),reg ; \
-       _ASM_SUB $(THREAD_SIZE),reg ;
-
 /*
  * ASM operand which evaluates to a 'thread_info' address of
  * the current task, if it is known that "reg" is exactly "off"
@@ -272,32 +263,11 @@ static inline int arch_within_stack_frames(const void * const stack,
  * have to worry about atomic accesses.
  */
 #define TS_COMPAT              0x0002  /* 32bit syscall active (64BIT)*/
-#define TS_RESTORE_SIGMASK     0x0008  /* restore signal mask in do_signal() */
+#ifdef CONFIG_COMPAT
+#define TS_I386_REGS_POKED     0x0004  /* regs poked by 32-bit ptracer */
+#endif
 
 #ifndef __ASSEMBLY__
-#define HAVE_SET_RESTORE_SIGMASK       1
-static inline void set_restore_sigmask(void)
-{
-       struct thread_info *ti = current_thread_info();
-       ti->status |= TS_RESTORE_SIGMASK;
-       WARN_ON(!test_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags));
-}
-static inline void clear_restore_sigmask(void)
-{
-       current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-}
-static inline bool test_restore_sigmask(void)
-{
-       return current_thread_info()->status & TS_RESTORE_SIGMASK;
-}
-static inline bool test_and_clear_restore_sigmask(void)
-{
-       struct thread_info *ti = current_thread_info();
-       if (!(ti->status & TS_RESTORE_SIGMASK))
-               return false;
-       ti->status &= ~TS_RESTORE_SIGMASK;
-       return true;
-}
 
 static inline bool in_ia32_syscall(void)
 {