svn commit: r234156 - in head/sys/powerpc: aim include

[Nathan Whitehorn]

Author: nwhitehorn
Date: Wed Apr 11 22:23:50 2012
New Revision: 234156
URL: http://svn.freebsd.org/changeset/base/234156

Log:
  We don't need kcopy() in any of the remaining places it is used, so
  remove it.
  
  MFC after:	2 weeks

Modified:
  head/sys/powerpc/aim/machdep.c
  head/sys/powerpc/aim/mmu_oea.c
  head/sys/powerpc/aim/mmu_oea64.c
  head/sys/powerpc/include/cpu.h

Modified: head/sys/powerpc/aim/machdep.c
==============================================================================
--- head/sys/powerpc/aim/machdep.c	Wed Apr 11 21:56:55 2012	(r234155)
+++ head/sys/powerpc/aim/machdep.c	Wed Apr 11 22:23:50 2012	(r234156)
@@ -738,36 +738,6 @@ spinlock_exit(void)
 		intr_restore(msr);
 }
 
-/*
- * kcopy(const void *src, void *dst, size_t len);
- *
- * Copy len bytes from src to dst, aborting if we encounter a fatal
- * page fault.
- *
- * kcopy() _must_ save and restore the old fault handler since it is
- * called by uiomove(), which may be in the path of servicing a non-fatal
- * page fault.
- */
-int
-kcopy(const void *src, void *dst, size_t len)
-{
-	struct thread	*td;
-	faultbuf	env, *oldfault;
-	int		rv;
-
-	td = curthread;
-	oldfault = td->td_pcb->pcb_onfault;
-	if ((rv = setfault(env)) != 0) {
-		td->td_pcb->pcb_onfault = oldfault;
-		return rv;
-	}
-
-	memcpy(dst, src, len);
-
-	td->td_pcb->pcb_onfault = oldfault;
-	return (0);
-}
-
 int db_trap_glue(struct trapframe *);		/* Called from trap_subr.S */
 
 int

Modified: head/sys/powerpc/aim/mmu_oea.c
==============================================================================
--- head/sys/powerpc/aim/mmu_oea.c	Wed Apr 11 21:56:55 2012	(r234155)
+++ head/sys/powerpc/aim/mmu_oea.c	Wed Apr 11 22:23:50 2012	(r234156)
@@ -1023,7 +1023,7 @@ moea_copy_page(mmu_t mmu, vm_page_t msrc
 	dst = VM_PAGE_TO_PHYS(mdst);
 	src = VM_PAGE_TO_PHYS(msrc);
 
-	kcopy((void *)src, (void *)dst, PAGE_SIZE);
+	bcopy((void *)src, (void *)dst, PAGE_SIZE);
 }
 
 /*

Modified: head/sys/powerpc/aim/mmu_oea64.c
==============================================================================
--- head/sys/powerpc/aim/mmu_oea64.c	Wed Apr 11 21:56:55 2012	(r234155)
+++ head/sys/powerpc/aim/mmu_oea64.c	Wed Apr 11 22:23:50 2012	(r234156)
@@ -1097,14 +1097,14 @@ moea64_copy_page(mmu_t mmu, vm_page_t ms
 	src = VM_PAGE_TO_PHYS(msrc);
 
 	if (hw_direct_map) {
-		kcopy((void *)src, (void *)dst, PAGE_SIZE);
+		bcopy((void *)src, (void *)dst, PAGE_SIZE);
 	} else {
 		mtx_lock(&moea64_scratchpage_mtx);
 
 		moea64_set_scratchpage_pa(mmu, 0, src);
 		moea64_set_scratchpage_pa(mmu, 1, dst);
 
-		kcopy((void *)moea64_scratchpage_va[0], 
+		bcopy((void *)moea64_scratchpage_va[0], 
 		    (void *)moea64_scratchpage_va[1], PAGE_SIZE);
 
 		mtx_unlock(&moea64_scratchpage_mtx);

Modified: head/sys/powerpc/include/cpu.h
==============================================================================
--- head/sys/powerpc/include/cpu.h	Wed Apr 11 21:56:55 2012	(r234155)
+++ head/sys/powerpc/include/cpu.h	Wed Apr 11 22:23:50 2012	(r234156)
@@ -100,6 +100,5 @@ void	swi_vm(void *);
 
 /* XXX the following should not be here. */
 void	savectx(struct pcb *);
-int	kcopy(const void *, void *, size_t);
 
 #endif	/* _MACHINE_CPU_H_ */