From: Ingo Molnar <mingo@elte.hu>
Date: Sat, 6 Sep 2008 12:53:01 +0000 (+0200)
Subject: Merge branches 'x86/tracehook', 'x86/xsave' and 'x86/prototypes' into x86/signal
X-Git-Tag: v2.6.28-rc1~699^2^2^2~4^2~12
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=046fd53773cd87125f799b00422e487bf1428d38;p=linux.git

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>
---

046fd53773cd87125f799b00422e487bf1428d38
diff --cc arch/x86/Kconfig
index ed92864d1325,ebfd7ff82ade,0a80d6a5e9f1,ac2fb0641a04..6b8fc9003ecc
--- a/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/signal_64.c
index ca316b5b742c,1e1933892b4f,6c581698ab56,02b02583f5b5..2f28252d2d26
--- a/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 include/asm-x86/apic.h
index 133c998161ca,133c998161ca,bc2e364bdb10,519ad65708e7..1311c82b165b
--- a/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/traps.h
index a4b65a71bd66,a4b65a71bd66,2a891a704719,b60fab546da7..2ccebc6fb0b0
--- a/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 */