Merge branches 'x86/prototypes', 'x86/x2apic' and 'x86/debug' into x86/core

diff --cc arch/x86/kernel/io_apic_32.c
Simple merge

diff --cc arch/x86/kernel/setup_percpu.c
Simple merge

diff --cc arch/x86/kernel/signal_64.c
index ca316b5b742ced782dc3ab4b4c8631b5a9d43a6c,02b02583f5b5c08d3d0e33c82f5634ebfb9de4b2,b45ef8ddd6510901ab3d089e1ca21f36a90167d7,47c3d249e638efdf72395cb2f269f8bcf63a5576..2f14640500599f091720ab69ec61d44c072a7ebc
--- 1/arch/x86/kernel/signal_64.c
--- 2/arch/x86/kernel/signal_64.c
--- 3/arch/x86/kernel/signal_64.c
--- 4/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@@@@ -53,68 -54,59 -53,59 -53,6 +54,68 @@@@@ sys_sigaltstack(const stack_t __user *u
        return do_sigaltstack(uss, uoss, regs->sp);
    }
    
 --     return restore_fpu_checking((__force struct i387_fxsave_struct *)buf);
   +/*
   + * Signal frame handlers.
   + */
   +
   +static inline int save_i387(struct _fpstate __user *buf)
   +{
   +    struct task_struct *tsk = current;
   +    int err = 0;
   +
   +    BUILD_BUG_ON(sizeof(struct user_i387_struct) !=
   +                    sizeof(tsk->thread.xstate->fxsave));
   +
   +    if ((unsigned long)buf % 16)
   +            printk("save_i387: bad fpstate %p\n", buf);
   +
   +    if (!used_math())
   +            return 0;
   +    clear_used_math(); /* trigger finit */
   +    if (task_thread_info(tsk)->status & TS_USEDFPU) {
   +            err = save_i387_checking((struct i387_fxsave_struct __user *)
   +                                     buf);
   +            if (err)
   +                    return err;
   +            task_thread_info(tsk)->status &= ~TS_USEDFPU;
   +            stts();
   +    } else {
   +            if (__copy_to_user(buf, &tsk->thread.xstate->fxsave,
   +                               sizeof(struct i387_fxsave_struct)))
   +                    return -1;
   +    }
   +    return 1;
   +}
   +
   +/*
   + * This restores directly out of user space. Exceptions are handled.
   + */
   +static inline int restore_i387(struct _fpstate __user *buf)
   +{
   +    struct task_struct *tsk = current;
   +    int err;
   +
   +    if (!used_math()) {
   +            err = init_fpu(tsk);
   +            if (err)
   +                    return err;
   +    }
   +
   +    if (!(task_thread_info(current)->status & TS_USEDFPU)) {
   +            clts();
   +            task_thread_info(current)->status |= TS_USEDFPU;
   +    }
 +++    err = restore_fpu_checking((__force struct i387_fxsave_struct *)buf);
 +++    if (unlikely(err)) {
 +++            /*
 +++             * Encountered an error while doing the restore from the
 +++             * user buffer, clear the fpu state.
 +++             */
 +++            clear_fpu(tsk);
 +++            clear_used_math();
 +++    }
 +++    return err;
   +}
    
    /*
     * Do a signal return; undo the signal stack.

diff --cc arch/x86/kernel/smpboot.c
Simple merge

diff --cc arch/x86/mach-default/setup.c
Simple merge

diff --cc include/asm-x86/apic.h
index bc2e364bdb1007c12a4c22e3a8e48a14393eef61,519ad65708e7e6ea408f94ddd8c35c733ed015d4,502ca6594b1ddf50896067eafe9d5a9b9362adab,133c998161ca4930dae0efe954802a45af2d62d4..1311c82b165bf45ad373c6af43a2193de00a013a
--- 1/include/asm-x86/apic.h
--- 2/include/asm-x86/apic.h
--- 3/include/asm-x86/apic.h
--- 4/include/asm-x86/apic.h
+++ b/include/asm-x86/apic.h
@@@@@ -54,8 -54,13 -54,8 -54,8 +54,13 @@@@@ extern int disable_apic
    #endif
    
    extern int is_vsmp_box(void);
+ ++extern void xapic_wait_icr_idle(void);
+ ++extern u32 safe_xapic_wait_icr_idle(void);
+ ++extern u64 xapic_icr_read(void);
+ ++extern void xapic_icr_write(u32, u32);
+ ++extern int setup_profiling_timer(unsigned int);
    
 - -static inline void native_apic_write(unsigned long reg, u32 v)
 + +static inline void native_apic_mem_write(u32 reg, u32 v)
    {
        volatile u32 *addr = (volatile u32 *)(APIC_BASE + reg);
    

diff --cc include/asm-x86/e820.h
Simple merge

diff --cc include/asm-x86/hw_irq.h
Simple merge

diff --cc include/asm-x86/i387.h
Simple merge

diff --cc include/asm-x86/io.h
Simple merge

diff --cc include/asm-x86/io_64.h
Simple merge

diff --cc include/asm-x86/page_32.h
Simple merge

diff --cc include/asm-x86/page_64.h
Simple merge

diff --cc include/asm-x86/pgtable.h
Simple merge

diff --cc include/asm-x86/pgtable_32.h
Simple merge

diff --cc include/asm-x86/processor.h
Simple merge

diff --cc include/asm-x86/ptrace.h
Simple merge

diff --cc include/asm-x86/setup.h
Simple merge

diff --cc include/asm-x86/signal.h
Simple merge

diff --cc include/asm-x86/smp.h
Simple merge

diff --cc include/asm-x86/time.h
Simple merge

diff --cc include/asm-x86/timer.h
Simple merge

diff --cc include/asm-x86/traps.h
index 2a891a704719163a0c08d2d7dd2f07303a54691c,b60fab546da7625d388e3c8d085dfa266fee7b01,a4b65a71bd6609e46f3da39969b522fa4958f0da,a4b65a71bd6609e46f3da39969b522fa4958f0da..2ccebc6fb0b0143c9605ab548662718dacb8b97d
--- 1/include/asm-x86/traps.h
--- 2/include/asm-x86/traps.h
--- 3/include/asm-x86/traps.h
--- 4/include/asm-x86/traps.h
+++ b/include/asm-x86/traps.h
@@@@@ -62,5 -64,7 -62,5 -62,5 +64,7 @@@@@ asmlinkage void do_coprocessor_error(st
    asmlinkage void do_simd_coprocessor_error(struct pt_regs *);
    asmlinkage void do_spurious_interrupt_bug(struct pt_regs *);
    
+ ++asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code);
+ ++
    #endif /* CONFIG_X86_32 */
 ---#endif /* _ASM_X86_TRAPS_H */
 +++#endif /* ASM_X86__TRAPS_H */