X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=blobdiff_plain;f=include%2Fasm-x86%2Fpda.h;h=101fb9e11954e8bd45c21a4524c5c8c8f9019132;hp=35962bbe5e72ad1219e576c911cf9af1f6aaecfe;hb=ac1a7b0eaa1db04143ab6132c6ce4489afbb8a18;hpb=0b776eb5426752d4e53354ac89e3710d857e09a7

diff --git a/include/asm-x86/pda.h b/include/asm-x86/pda.h
index 35962bbe5e72..101fb9e11954 100644
--- a/include/asm-x86/pda.h
+++ b/include/asm-x86/pda.h
@@ -7,22 +7,21 @@
 #include <linux/cache.h>
 #include <asm/page.h>
 
-/* Per processor datastructure. %gs points to it while the kernel runs */ 
+/* Per processor datastructure. %gs points to it while the kernel runs */
 struct x8664_pda {
 	struct task_struct *pcurrent;	/* 0  Current process */
 	unsigned long data_offset;	/* 8 Per cpu data offset from linker
 					   address */
-	unsigned long kernelstack;  /* 16 top of kernel stack for current */
-	unsigned long oldrsp; 	    /* 24 user rsp for system call */
-        int irqcount;		    /* 32 Irq nesting counter. Starts with -1 */
-	int cpunumber;		    /* 36 Logical CPU number */
+	unsigned long kernelstack;	/* 16 top of kernel stack for current */
+	unsigned long oldrsp;		/* 24 user rsp for system call */
+	int irqcount;			/* 32 Irq nesting counter. Starts -1 */
+	unsigned int cpunumber;		/* 36 Logical CPU number */
 #ifdef CONFIG_CC_STACKPROTECTOR
 	unsigned long stack_canary;	/* 40 stack canary value */
 					/* gcc-ABI: this canary MUST be at
 					   offset 40!!! */
 #endif
 	char *irqstackptr;
-	int nodenumber;		    /* number of current node */
 	unsigned int __softirq_pending;
 	unsigned int __nmi_count;	/* number of NMI on this CPUs */
 	short mmu_state;
@@ -40,13 +39,14 @@ struct x8664_pda {
 
 extern struct x8664_pda *_cpu_pda[];
 extern struct x8664_pda boot_cpu_pda[];
+extern void pda_init(int);
 
 #define cpu_pda(i) (_cpu_pda[i])
 
-/* 
+/*
  * There is no fast way to get the base address of the PDA, all the accesses
  * have to mention %fs/%gs.  So it needs to be done this Torvaldian way.
- */ 
+ */
 extern void __bad_pda_field(void) __attribute__((noreturn));
 
 /*
@@ -57,72 +57,76 @@ extern struct x8664_pda _proxy_pda;
 
 #define pda_offset(field) offsetof(struct x8664_pda, field)
 
-#define pda_to_op(op,field,val) do {		\
-	typedef typeof(_proxy_pda.field) T__;	\
-	if (0) { T__ tmp__; tmp__ = (val); }	/* type checking */ \
-	switch (sizeof(_proxy_pda.field)) {	\
-	case 2:					\
-		asm(op "w %1,%%gs:%c2" : 	\
-		    "+m" (_proxy_pda.field) :	\
-		    "ri" ((T__)val),		\
-		    "i"(pda_offset(field))); 	\
- 		break;				\
-	case 4:					\
-		asm(op "l %1,%%gs:%c2" : 	\
-		    "+m" (_proxy_pda.field) :	\
-		    "ri" ((T__)val),		\
-		    "i" (pda_offset(field))); 	\
-		break;				\
-	case 8:					\
-		asm(op "q %1,%%gs:%c2": 	\
-		    "+m" (_proxy_pda.field) :	\
-		    "ri" ((T__)val),		\
-		    "i"(pda_offset(field))); 	\
-		break;				\
-       default: 				\
-		__bad_pda_field();		\
-       }					\
-       } while (0)
+#define pda_to_op(op, field, val)					\
+do {									\
+	typedef typeof(_proxy_pda.field) T__;				\
+	if (0) { T__ tmp__; tmp__ = (val); }	/* type checking */	\
+	switch (sizeof(_proxy_pda.field)) {				\
+	case 2:								\
+		asm(op "w %1,%%gs:%c2" :				\
+		    "+m" (_proxy_pda.field) :				\
+		    "ri" ((T__)val),					\
+		    "i"(pda_offset(field)));				\
+		break;							\
+	case 4:								\
+		asm(op "l %1,%%gs:%c2" :				\
+		    "+m" (_proxy_pda.field) :				\
+		    "ri" ((T__)val),					\
+		    "i" (pda_offset(field)));				\
+		break;							\
+	case 8:								\
+		asm(op "q %1,%%gs:%c2":					\
+		    "+m" (_proxy_pda.field) :				\
+		    "ri" ((T__)val),					\
+		    "i"(pda_offset(field)));				\
+		break;							\
+	default:							\
+		__bad_pda_field();					\
+	}								\
+} while (0)
 
-#define pda_from_op(op,field) ({		\
+#define pda_from_op(op, field)			\
+({						\
 	typeof(_proxy_pda.field) ret__;		\
 	switch (sizeof(_proxy_pda.field)) {	\
-       	case 2:					\
-		asm(op "w %%gs:%c1,%0" : 	\
+	case 2:					\
+		asm(op "w %%gs:%c1,%0" :	\
 		    "=r" (ret__) :		\
-		    "i" (pda_offset(field)), 	\
-		    "m" (_proxy_pda.field)); 	\
-		 break;				\
+		    "i" (pda_offset(field)),	\
+		    "m" (_proxy_pda.field));	\
+		break;				\
 	case 4:					\
 		asm(op "l %%gs:%c1,%0":		\
 		    "=r" (ret__):		\
-		    "i" (pda_offset(field)), 	\
-		    "m" (_proxy_pda.field)); 	\
-		 break;				\
-       case 8:					\
+		    "i" (pda_offset(field)),	\
+		    "m" (_proxy_pda.field));	\
+		break;				\
+	case 8:					\
 		asm(op "q %%gs:%c1,%0":		\
 		    "=r" (ret__) :		\
-		    "i" (pda_offset(field)), 	\
-		    "m" (_proxy_pda.field)); 	\
-		 break;				\
-       default: 				\
+		    "i" (pda_offset(field)),	\
+		    "m" (_proxy_pda.field));	\
+		break;				\
+	default:				\
 		__bad_pda_field();		\
-       }					\
-       ret__; })
+	}					\
+	ret__;					\
+})
 
-#define read_pda(field) pda_from_op("mov",field)
-#define write_pda(field,val) pda_to_op("mov",field,val)
-#define add_pda(field,val) pda_to_op("add",field,val)
-#define sub_pda(field,val) pda_to_op("sub",field,val)
-#define or_pda(field,val) pda_to_op("or",field,val)
+#define read_pda(field)		pda_from_op("mov", field)
+#define write_pda(field, val)	pda_to_op("mov", field, val)
+#define add_pda(field, val)	pda_to_op("add", field, val)
+#define sub_pda(field, val)	pda_to_op("sub", field, val)
+#define or_pda(field, val)	pda_to_op("or", field, val)
 
 /* This is not atomic against other CPUs -- CPU preemption needs to be off */
-#define test_and_clear_bit_pda(bit,field) ({		\
-	int old__;						\
-	asm volatile("btr %2,%%gs:%c3\n\tsbbl %0,%0"		\
-	    : "=r" (old__), "+m" (_proxy_pda.field) 		\
-	    : "dIr" (bit), "i" (pda_offset(field)) : "memory");	\
-	old__;							\
+#define test_and_clear_bit_pda(bit, field)				\
+({									\
+	int old__;							\
+	asm volatile("btr %2,%%gs:%c3\n\tsbbl %0,%0"			\
+		     : "=r" (old__), "+m" (_proxy_pda.field)		\
+		     : "dIr" (bit), "i" (pda_offset(field)) : "memory");\
+	old__;								\
 })
 
 #endif