Merge branches 'x86/tracehook', 'x86/xsave' and 'x86/prototypes' into x86/signal

Conflicts:
	arch/x86/kernel/signal_64.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --cc arch/x86/Kconfig
index ed92864d1325c09092f3e8ed4918f26341f23161,ebfd7ff82adedac112e1826871b8ba2c443bafbc,0a80d6a5e9f1199fb85b49821f1cb6fee6c69bd1,ac2fb0641a041e4a28055867140f458613673dc2..6b8fc9003eccbe2f7a500395f1a77533fbe0ec0e
--- 1/arch/x86/Kconfig
--- 2/arch/x86/Kconfig
--- 3/arch/x86/Kconfig
--- 4/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@@@@ -586,11 -587,11 -585,17 -585,17 +587,11 @@@@@ config MAXSM
          Configure maximum number of CPUS and NUMA Nodes for this architecture.
          If unsure, say N.
    
  --if MAXSMP
  - config NR_CPUS
  -     int
  -     default "4096"
  - endif
  - 
  - if !MAXSMP
    config NR_CPUS
   -    int
   -    default "4096"
   -endif
   -
   -if !MAXSMP
   -config NR_CPUS
  --    int "Maximum number of CPUs (2-4096)"
  --    range 2 4096
  ++    int "Maximum number of CPUs (2-512)" if !MAXSMP
  ++    range 2 512
        depends on SMP
  ++    default "4096" if MAXSMP
        default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
        default "8"
        help

diff --cc arch/x86/kernel/cpu/mtrr/main.c
Simple merge

diff --cc arch/x86/kernel/process_32.c
Simple merge

diff --cc arch/x86/kernel/process_64.c
Simple merge

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

diff --cc arch/x86/kernel/signal_32.c
Simple merge

diff --cc arch/x86/kernel/signal_64.c
index ca316b5b742ced782dc3ab4b4c8631b5a9d43a6c,1e1933892b4fe115fd18676af49decf5ae267a7f,6c581698ab56887292596e56729dc200b6f750f8,02b02583f5b5c08d3d0e33c82f5634ebfb9de4b2..2f28252d2d26cfeb847be6c2116340aa5c0f5b51
--- 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
@@@@@ -26,6 -27,7 -26,6 -26,7 +27,8 @@@@@
    #include <asm/proto.h>
    #include <asm/ia32_unistd.h>
    #include <asm/mce.h>
+ ++#include <asm/syscall.h>
+++ #include <asm/syscalls.h>
    #include "sigframe.h"
    
    #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
@@@@@ -53,69 -55,69 -53,6 -54,60 +56,6 @@@@@ sys_sigaltstack(const stack_t __user *u
        return do_sigaltstack(uss, uoss, regs->sp);
    }
    
-- -/*
-- - * 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;
   -    return restore_fpu_checking((__force struct i387_fxsave_struct *)buf);
-- -}
-- -
    /*
     * Do a signal return; undo the signal stack.
     */

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

diff --cc arch/x86/mm/ioremap.c
Simple merge

diff --cc include/asm-x86/apic.h
index 133c998161ca4930dae0efe954802a45af2d62d4,133c998161ca4930dae0efe954802a45af2d62d4,bc2e364bdb1007c12a4c22e3a8e48a14393eef61,519ad65708e7e6ea408f94ddd8c35c733ed015d4..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 -54,8 -54,8 -54,13 +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/kvm_host.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/thread_info.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 a4b65a71bd6609e46f3da39969b522fa4958f0da,a4b65a71bd6609e46f3da39969b522fa4958f0da,2a891a704719163a0c08d2d7dd2f07303a54691c,b60fab546da7625d388e3c8d085dfa266fee7b01..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 -62,5 -62,5 -64,7 +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 */