Export 'struct pcpu' to userland w/o requiring _KERNEL. A few ports

already define _KERNEL to get to this and I'm about to add hooks to
libkvm to access per-CPU data.

MFC after:	1 week

10 files changed, 26 insertions, 18 deletions

diff --git a/sys/amd64/include/pcpu.h b/sys/amd64/include/pcpu.h
index 444109ebc9c7..fe811c57ec51 100644
--- a/sys/amd64/include/pcpu.h
+++ b/sys/amd64/include/pcpu.h
@@ -33,8 +33,6 @@
 #error "sys/cdefs.h is a prerequisite for this file"
 #endif
 
-#ifdef _KERNEL
-
 /*
  * The SMP parts are setup in pmap.c and locore.s for the BSP, and
  * mp_machdep.c sets up the data for the AP's to "see" when they awake.
@@ -52,6 +50,8 @@
 	u_int	pc_apic_id;						\
 	u_int   pc_acpi_id		/* ACPI CPU id */
 
+#ifdef _KERNEL
+
 #ifdef lint
 
 extern struct pcpu *pcpup;
diff --git a/sys/arm/include/pcpu.h b/sys/arm/include/pcpu.h
index 8388ba6fdd1b..387035cf2446 100644
--- a/sys/arm/include/pcpu.h
+++ b/sys/arm/include/pcpu.h
@@ -38,6 +38,8 @@
 
 struct vmspace;
 
+#endif	/* _KERNEL */
+
 /*
  * Inside the kernel, the globally reserved register g7 is used to
  * point at the globaldata structure.
@@ -45,6 +47,8 @@ struct vmspace;
 #define	PCPU_MD_FIELDS							\
 	struct pcup *pc_prvspace;
 
+#ifdef _KERNEL
+
 struct pcb;
 struct pcpu;
 
diff --git a/sys/i386/include/pcpu.h b/sys/i386/include/pcpu.h
index ea8ff4667758..5690e866a290 100644
--- a/sys/i386/include/pcpu.h
+++ b/sys/i386/include/pcpu.h
@@ -33,8 +33,6 @@
 #error "sys/cdefs.h is a prerequisite for this file"
 #endif
 
-#ifdef _KERNEL
-
 #include <machine/segments.h>
 #include <machine/tss.h>
 
@@ -82,6 +80,9 @@
 	int	pc_private_tss		/* Flag indicating private tss */
 
 #endif
+
+#ifdef _KERNEL
+
 #ifdef lint
 
 extern struct pcpu *pcpup;
diff --git a/sys/ia64/include/pcpu.h b/sys/ia64/include/pcpu.h
index d641816d1f95..c63573b9992f 100644
--- a/sys/ia64/include/pcpu.h
+++ b/sys/ia64/include/pcpu.h
@@ -30,8 +30,6 @@
 #ifndef	_MACHINE_PCPU_H_
 #define	_MACHINE_PCPU_H_
 
-#ifdef _KERNEL
-
 #include <machine/pcb.h>
 
 #define	PCPU_MD_FIELDS							\
@@ -43,6 +41,8 @@
 	uint32_t	pc_awake:1;		/* CPU is awake? */	\
 	uint32_t	pc_acpi_id		/* ACPI CPU id. */
 
+#ifdef _KERNEL
+
 struct pcpu;
 
 register struct pcpu *pcpup __asm__("r13");
diff --git a/sys/mips/include/pcpu.h b/sys/mips/include/pcpu.h
index fb2951b40995..5fe2b22a81c0 100644
--- a/sys/mips/include/pcpu.h
+++ b/sys/mips/include/pcpu.h
@@ -31,9 +31,8 @@
 #ifndef _MACHINE_PCPU_H_
 #define	_MACHINE_PCPU_H_
 
-#ifdef _KERNEL
-
 #include <machine/pte.h>
+
 #define	PCPU_MD_FIELDS							\
 	pd_entry_t	*pc_segbase;		/* curthread segbase */	\
 	struct	pmap	*pc_curpmap;		/* pmap of curthread */	\
@@ -42,6 +41,8 @@
 	u_int		pc_pending_ipis;	/* the IPIs pending to this CPU */ \
 	void		*pc_boot_stack;
 
+#ifdef _KERNEL
+
 #ifdef SMP
 static __inline struct pcpu*
 get_pcpup(void)
diff --git a/sys/powerpc/include/pcpu.h b/sys/powerpc/include/pcpu.h
index af9e54b2e0d5..fba4c8fd33dc 100644
--- a/sys/powerpc/include/pcpu.h
+++ b/sys/powerpc/include/pcpu.h
@@ -30,7 +30,6 @@
 #ifndef	_MACHINE_PCPU_H_
 #define	_MACHINE_PCPU_H_
 
-#ifdef _KERNEL
 #include <machine/cpufunc.h>
 
 struct pmap;
@@ -117,6 +116,8 @@ struct pmap;
 	int		pc_md_placeholder
 #endif
 
+#ifdef _KERNEL
+
 #define pcpup	((struct pcpu *) powerpc_get_pcpup())
 
 #define	PCPU_GET(member)	(pcpup->pc_ ## member)
diff --git a/sys/sparc64/include/pcpu.h b/sys/sparc64/include/pcpu.h
index 04f5ee6ca333..91c1e5dd5ca9 100644
--- a/sys/sparc64/include/pcpu.h
+++ b/sys/sparc64/include/pcpu.h
@@ -30,8 +30,6 @@
 #ifndef	_MACHINE_PCPU_H_
 #define	_MACHINE_PCPU_H_
 
-#ifdef _KERNEL
-
 #include <machine/asmacros.h>
 #include <machine/frame.h>
 #include <machine/intr_machdep.h>
@@ -59,6 +57,8 @@ struct pmap;
 	u_int	pc_tlb_ctx_max;						\
 	u_int	pc_tlb_ctx_min
 
+#ifdef _KERNEL
+
 struct pcb;
 struct pcpu;
 
diff --git a/sys/sun4v/include/pcpu.h b/sys/sun4v/include/pcpu.h
index beb0789becc0..b88ddbbdc299 100644
--- a/sys/sun4v/include/pcpu.h
+++ b/sys/sun4v/include/pcpu.h
@@ -30,8 +30,6 @@
 #ifndef	_MACHINE_PCPU_H_
 #define	_MACHINE_PCPU_H_
 
-#ifdef _KERNEL
-
 #include <machine/asmacros.h>
 #include <machine/frame.h>
 #include <machine/intr_machdep.h>
@@ -82,6 +80,9 @@ struct pmap;
 	 * be L2 cache aligned - they're surrounded by per-cpu data, so there is
 	 * no possibility of false sharing, but this might help in reducing misses
 	 */
+
+#ifdef _KERNEL
+
 struct pcpu;
 
 register struct pcpu *pcpup __asm__(__XSTRING(PCPU_REG));
diff --git a/sys/sys/pcpu.h b/sys/sys/pcpu.h
index df739854e111..5633bf0038ee 100644
--- a/sys/sys/pcpu.h
+++ b/sys/sys/pcpu.h
@@ -33,10 +33,6 @@
 #ifndef _SYS_PCPU_H_
 #define	_SYS_PCPU_H_
 
-#ifndef _KERNEL
-#error "no user-serviceable parts inside"
-#endif
-
 #ifdef LOCORE
 #error "no assembler-serviceable parts inside"
 #endif
@@ -106,6 +102,8 @@ struct pcpu {
 	PCPU_MD_FIELDS;
 };
 
+#ifdef _KERNEL
+
 SLIST_HEAD(cpuhead, pcpu);
 
 extern struct cpuhead cpuhead;
@@ -133,4 +131,6 @@ void	pcpu_destroy(struct pcpu *pcpu);
 struct	pcpu *pcpu_find(u_int cpuid);
 void	pcpu_init(struct pcpu *pcpu, int cpuid, size_t size);
 
+#endif	/* _KERNEL */
+
 #endif /* !_SYS_PCPU_H_ */
diff --git a/sys/sys/types.h b/sys/sys/types.h
index ed0e3a9d6016..929407f49237 100644
--- a/sys/sys/types.h
+++ b/sys/sys/types.h
@@ -143,6 +143,7 @@ typedef	__clockid_t	clockid_t;
 #define	_CLOCKID_T_DECLARED
 #endif
 
+typedef	__cpumask_t	cpumask_t;
 typedef	__critical_t	critical_t;	/* Critical section value */
 typedef	__int64_t	daddr_t;	/* disk address */
 
@@ -278,7 +279,6 @@ typedef	__vm_size_t	vm_size_t;
 
 #ifdef _KERNEL
 typedef	int		boolean_t;
-typedef	__cpumask_t	cpumask_t;
 typedef	struct device	*device_t;
 typedef	__intfptr_t	intfptr_t;