Remove dead vma code and remove the unused devstate struct definition.

8 files changed, 28 insertions, 266 deletions

diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h
index a673ecda..96dd52d8 100644
--- a/bsd-core/drmP.h
+++ b/bsd-core/drmP.h
@@ -96,21 +96,20 @@ typedef struct drm_file drm_file_t;
 #define DRM_MEM_MAGIC	   3
 #define DRM_MEM_IOCTLS	   4
 #define DRM_MEM_MAPS	   5
-#define DRM_MEM_VMAS	   6
-#define DRM_MEM_BUFS	   7
-#define DRM_MEM_SEGS	   8
-#define DRM_MEM_PAGES	   9
-#define DRM_MEM_FILES	  10
-#define DRM_MEM_QUEUES	  11
-#define DRM_MEM_CMDS	  12
-#define DRM_MEM_MAPPINGS  13
-#define DRM_MEM_BUFLISTS  14
-#define DRM_MEM_AGPLISTS  15
-#define DRM_MEM_TOTALAGP  16
-#define DRM_MEM_BOUNDAGP  17
-#define DRM_MEM_CTXBITMAP 18
-#define DRM_MEM_STUB      19
-#define DRM_MEM_SGLISTS   20
+#define DRM_MEM_BUFS	   6
+#define DRM_MEM_SEGS	   7
+#define DRM_MEM_PAGES	   8
+#define DRM_MEM_FILES	  9
+#define DRM_MEM_QUEUES	  10
+#define DRM_MEM_CMDS	  11
+#define DRM_MEM_MAPPINGS  12
+#define DRM_MEM_BUFLISTS  13
+#define DRM_MEM_AGPLISTS  14
+#define DRM_MEM_TOTALAGP  15
+#define DRM_MEM_BOUNDAGP  16
+#define DRM_MEM_CTXBITMAP 17
+#define DRM_MEM_STUB	  18
+#define DRM_MEM_SGLISTS	  19
 
 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 
@@ -158,11 +157,6 @@ typedef struct drm_ioctl_desc {
 	int		     root_only;
 } drm_ioctl_desc_t;
 
-typedef struct drm_devstate {
-	pid_t		  owner;	/* X server pid holding x_lock */
-
-} drm_devstate_t;
-
 typedef struct drm_magic_entry {
 	drm_magic_t	       magic;
 	struct drm_file	       *priv;
@@ -174,12 +168,6 @@ typedef struct drm_magic_head {
 	struct drm_magic_entry *tail;
 } drm_magic_head_t;
 
-typedef struct drm_vma_entry {
-	struct vm_area_struct *vma;
-	struct drm_vma_entry  *next;
-	pid_t		      pid;
-} drm_vma_entry_t;
-
 typedef struct drm_buf {
 	int		  idx;	       /* Index into master buflist	     */
 	int		  total;       /* Buffer size			     */
@@ -436,7 +424,6 @@ struct drm_device {
 				/* Usage Counters */
 	int		  open_count;	/* Outstanding files open	   */
 	atomic_t	  ioctl_count;	/* Outstanding IOCTLs pending	   */
-	atomic_t	  vma_count;	/* Outstanding vma areas open	   */
 	int		  buf_use;	/* Buffers in use -- cannot alloc  */
 	atomic_t	  buf_alloc;	/* Buffer allocation in progress   */
 
@@ -456,7 +443,6 @@ struct drm_device {
 	drm_local_map_t	  **context_sareas;
 	int		  max_context;
 
-	drm_vma_entry_t	  *vmalist;	/* List of vmas (for debugging)	   */
 	drm_lock_data_t	  lock;		/* Information on hardware lock	   */
 
 				/* DMA queues (contexts) */
diff --git a/bsd-core/drm_drv.c b/bsd-core/drm_drv.c
index 74655ee9..d43a4666 100644
--- a/bsd-core/drm_drv.c
+++ b/bsd-core/drm_drv.c
@@ -433,7 +433,6 @@ static int DRM(setup)( drm_device_t *dev )
 
 	DRIVER_PRESETUP();
 	atomic_set( &dev->ioctl_count, 0 );
-	atomic_set( &dev->vma_count, 0 );
 	dev->buf_use = 0;
 	atomic_set( &dev->buf_alloc, 0 );
 
@@ -496,7 +495,6 @@ static int DRM(setup)( drm_device_t *dev )
 	TAILQ_INIT(dev->maplist);
 	dev->map_count = 0;
 
-	dev->vmalist = NULL;
 	dev->lock.hw_lock = NULL;
 	dev->lock.lock_queue = 0;
 	dev->queue_count = 0;
@@ -550,7 +548,6 @@ static int DRM(takedown)( drm_device_t *dev )
 	drm_magic_entry_t *pt, *next;
 	drm_local_map_t *map;
 	drm_map_list_entry_t *list;
-	drm_vma_entry_t *vma, *vma_next;
 	int i;
 
 	DRM_DEBUG( "\n" );
@@ -607,15 +604,6 @@ static int DRM(takedown)( drm_device_t *dev )
 	}
 #endif
 
-				/* Clear vma list (only built for debugging) */
-	if ( dev->vmalist ) {
-		for ( vma = dev->vmalist ; vma ; vma = vma_next ) {
-			vma_next = vma->next;
-			DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS );
-		}
-		dev->vmalist = NULL;
-	}
-
 	if( dev->maplist ) {
 		while ((list=TAILQ_FIRST(dev->maplist))) {
 			map = list->map;
diff --git a/bsd-core/drm_memory.c b/bsd-core/drm_memory.c
index 95d6110d..0df7ee72 100644
--- a/bsd-core/drm_memory.c
+++ b/bsd-core/drm_memory.c
@@ -61,7 +61,6 @@ static drm_mem_stats_t	  DRM(mem_stats)[]   = {
 	[DRM_MEM_MAGIC]	    = { "magic"	   },
 	[DRM_MEM_IOCTLS]    = { "ioctltab" },
 	[DRM_MEM_MAPS]	    = { "maplist"  },
-	[DRM_MEM_VMAS]	    = { "vmalist"  },
 	[DRM_MEM_BUFS]	    = { "buflist"  },
 	[DRM_MEM_SEGS]	    = { "seglist"  },
 	[DRM_MEM_PAGES]	    = { "pagelist" },
diff --git a/bsd-core/drm_sysctl.c b/bsd-core/drm_sysctl.c
index 627b78c9..2ca187d8 100644
--- a/bsd-core/drm_sysctl.c
+++ b/bsd-core/drm_sysctl.c
@@ -11,9 +11,6 @@ static int	   DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS;
 static int	   DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
 static int	   DRM(queues_info)DRM_SYSCTL_HANDLER_ARGS;
 static int	   DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
-#if DRM_DEBUG_CODExx
-static int	   DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS;
-#endif
 #if DRM_DMA_HISTOGRAM
 static int	   DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS;
 #endif
@@ -28,9 +25,6 @@ struct DRM(sysctl_list) {
 	{ "clients", DRM(clients_info) },
 	{ "queues",  DRM(queues_info)  },
 	{ "bufs",    DRM(bufs_info)    },
-#if DRM_DEBUG_CODExx
-	{ "vma",     DRM(vma_info)     },
-#endif
 #if DRM_DMA_HISTOGRAM
 	{ "histo",   drm_histo_info)   },
 #endif
@@ -309,92 +303,6 @@ static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
 	return ret;
 }
 
-#if DRM_DEBUG_CODExx
-
-static int DRM(_vma_info)DRM_SYSCTL_HANDLER_ARGS
-{
-	drm_device_t	      *dev = arg1;
-	drm_vma_entry_t	      *pt;
-	pgd_t		      *pgd;
-	pmd_t		      *pmd;
-	pte_t		      *pte;
-	unsigned long	      i;
-	struct vm_area_struct *vma;
-	unsigned long	      address;
-#if defined(__i386__)
-	unsigned int	      pgprot;
-#endif
-	char		      buf[128];
-	int		      error;
-
-	DRM_SYSCTL_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n",
-		       atomic_read(&dev->vma_count),
-		       high_memory, virt_to_phys(high_memory));
-	for (pt = dev->vmalist; pt; pt = pt->next) {
-		if (!(vma = pt->vma)) continue;
-		DRM_SYSCTL_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx",
-			       pt->pid,
-			       vma->vm_start,
-			       vma->vm_end,
-			       vma->vm_flags & VM_READ	   ? 'r' : '-',
-			       vma->vm_flags & VM_WRITE	   ? 'w' : '-',
-			       vma->vm_flags & VM_EXEC	   ? 'x' : '-',
-			       vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
-			       vma->vm_flags & VM_LOCKED   ? 'l' : '-',
-			       vma->vm_flags & VM_IO	   ? 'i' : '-',
-			       vma->vm_offset );
-#if defined(__i386__)
-		pgprot = pgprot_val(vma->vm_page_prot);
-		DRM_SYSCTL_PRINT(" %c%c%c%c%c%c%c%c%c",
-			       pgprot & _PAGE_PRESENT  ? 'p' : '-',
-			       pgprot & _PAGE_RW       ? 'w' : 'r',
-			       pgprot & _PAGE_USER     ? 'u' : 's',
-			       pgprot & _PAGE_PWT      ? 't' : 'b',
-			       pgprot & _PAGE_PCD      ? 'u' : 'c',
-			       pgprot & _PAGE_ACCESSED ? 'a' : '-',
-			       pgprot & _PAGE_DIRTY    ? 'd' : '-',
-			       pgprot & _PAGE_4M       ? 'm' : 'k',
-			       pgprot & _PAGE_GLOBAL   ? 'g' : 'l' );
-#endif		
-		DRM_SYSCTL_PRINT("\n");
-		for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) {
-			pgd = pgd_offset(vma->vm_mm, i);
-			pmd = pmd_offset(pgd, i);
-			pte = pte_offset(pmd, i);
-			if (pte_present(*pte)) {
-				address = __pa(pte_page(*pte))
-					+ (i & (PAGE_SIZE-1));
-				DRM_SYSCTL_PRINT("      0x%08lx -> 0x%08lx"
-					       " %c%c%c%c%c\n",
-					       i,
-					       address,
-					       pte_read(*pte)  ? 'r' : '-',
-					       pte_write(*pte) ? 'w' : '-',
-					       pte_exec(*pte)  ? 'x' : '-',
-					       pte_dirty(*pte) ? 'd' : '-',
-					       pte_young(*pte) ? 'a' : '-' );
-			} else {
-				DRM_SYSCTL_PRINT("      0x%08lx\n", i);
-			}
-		}
-	}
-	
-	SYSCTL_OUT(req, "", 1);
-	return 0;
-}
-
-static int DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS
-{
-	drm_device_t *dev = arg1;
-	int	     ret;
-
-	DRM_LOCK;
-	ret = DRM(_vma_info)(oidp, arg1, arg2, req);
-	DRM_UNLOCK;
-	return ret;
-}
-#endif
-
 
 #if DRM_DMA_HISTOGRAM
 static int DRM(_histo_info)DRM_SYSCTL_HANDLER_ARGS
diff --git a/bsd/drmP.h b/bsd/drmP.h
index a673ecda..96dd52d8 100644
--- a/bsd/drmP.h
+++ b/bsd/drmP.h
@@ -96,21 +96,20 @@ typedef struct drm_file drm_file_t;
 #define DRM_MEM_MAGIC	   3
 #define DRM_MEM_IOCTLS	   4
 #define DRM_MEM_MAPS	   5
-#define DRM_MEM_VMAS	   6
-#define DRM_MEM_BUFS	   7
-#define DRM_MEM_SEGS	   8
-#define DRM_MEM_PAGES	   9
-#define DRM_MEM_FILES	  10
-#define DRM_MEM_QUEUES	  11
-#define DRM_MEM_CMDS	  12
-#define DRM_MEM_MAPPINGS  13
-#define DRM_MEM_BUFLISTS  14
-#define DRM_MEM_AGPLISTS  15
-#define DRM_MEM_TOTALAGP  16
-#define DRM_MEM_BOUNDAGP  17
-#define DRM_MEM_CTXBITMAP 18
-#define DRM_MEM_STUB      19
-#define DRM_MEM_SGLISTS   20
+#define DRM_MEM_BUFS	   6
+#define DRM_MEM_SEGS	   7
+#define DRM_MEM_PAGES	   8
+#define DRM_MEM_FILES	  9
+#define DRM_MEM_QUEUES	  10
+#define DRM_MEM_CMDS	  11
+#define DRM_MEM_MAPPINGS  12
+#define DRM_MEM_BUFLISTS  13
+#define DRM_MEM_AGPLISTS  14
+#define DRM_MEM_TOTALAGP  15
+#define DRM_MEM_BOUNDAGP  16
+#define DRM_MEM_CTXBITMAP 17
+#define DRM_MEM_STUB	  18
+#define DRM_MEM_SGLISTS	  19
 
 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 
@@ -158,11 +157,6 @@ typedef struct drm_ioctl_desc {
 	int		     root_only;
 } drm_ioctl_desc_t;
 
-typedef struct drm_devstate {
-	pid_t		  owner;	/* X server pid holding x_lock */
-
-} drm_devstate_t;
-
 typedef struct drm_magic_entry {
 	drm_magic_t	       magic;
 	struct drm_file	       *priv;
@@ -174,12 +168,6 @@ typedef struct drm_magic_head {
 	struct drm_magic_entry *tail;
 } drm_magic_head_t;
 
-typedef struct drm_vma_entry {
-	struct vm_area_struct *vma;
-	struct drm_vma_entry  *next;
-	pid_t		      pid;
-} drm_vma_entry_t;
-
 typedef struct drm_buf {
 	int		  idx;	       /* Index into master buflist	     */
 	int		  total;       /* Buffer size			     */
@@ -436,7 +424,6 @@ struct drm_device {
 				/* Usage Counters */
 	int		  open_count;	/* Outstanding files open	   */
 	atomic_t	  ioctl_count;	/* Outstanding IOCTLs pending	   */
-	atomic_t	  vma_count;	/* Outstanding vma areas open	   */
 	int		  buf_use;	/* Buffers in use -- cannot alloc  */
 	atomic_t	  buf_alloc;	/* Buffer allocation in progress   */
 
@@ -456,7 +443,6 @@ struct drm_device {
 	drm_local_map_t	  **context_sareas;
 	int		  max_context;
 
-	drm_vma_entry_t	  *vmalist;	/* List of vmas (for debugging)	   */
 	drm_lock_data_t	  lock;		/* Information on hardware lock	   */
 
 				/* DMA queues (contexts) */
diff --git a/bsd/drm_drv.h b/bsd/drm_drv.h
index 74655ee9..d43a4666 100644
--- a/bsd/drm_drv.h
+++ b/bsd/drm_drv.h
@@ -433,7 +433,6 @@ static int DRM(setup)( drm_device_t *dev )
 
 	DRIVER_PRESETUP();
 	atomic_set( &dev->ioctl_count, 0 );
-	atomic_set( &dev->vma_count, 0 );
 	dev->buf_use = 0;
 	atomic_set( &dev->buf_alloc, 0 );
 
@@ -496,7 +495,6 @@ static int DRM(setup)( drm_device_t *dev )
 	TAILQ_INIT(dev->maplist);
 	dev->map_count = 0;
 
-	dev->vmalist = NULL;
 	dev->lock.hw_lock = NULL;
 	dev->lock.lock_queue = 0;
 	dev->queue_count = 0;
@@ -550,7 +548,6 @@ static int DRM(takedown)( drm_device_t *dev )
 	drm_magic_entry_t *pt, *next;
 	drm_local_map_t *map;
 	drm_map_list_entry_t *list;
-	drm_vma_entry_t *vma, *vma_next;
 	int i;
 
 	DRM_DEBUG( "\n" );
@@ -607,15 +604,6 @@ static int DRM(takedown)( drm_device_t *dev )
 	}
 #endif
 
-				/* Clear vma list (only built for debugging) */
-	if ( dev->vmalist ) {
-		for ( vma = dev->vmalist ; vma ; vma = vma_next ) {
-			vma_next = vma->next;
-			DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS );
-		}
-		dev->vmalist = NULL;
-	}
-
 	if( dev->maplist ) {
 		while ((list=TAILQ_FIRST(dev->maplist))) {
 			map = list->map;
diff --git a/bsd/drm_memory.h b/bsd/drm_memory.h
index 95d6110d..0df7ee72 100644
--- a/bsd/drm_memory.h
+++ b/bsd/drm_memory.h
@@ -61,7 +61,6 @@ static drm_mem_stats_t	  DRM(mem_stats)[]   = {
 	[DRM_MEM_MAGIC]	    = { "magic"	   },
 	[DRM_MEM_IOCTLS]    = { "ioctltab" },
 	[DRM_MEM_MAPS]	    = { "maplist"  },
-	[DRM_MEM_VMAS]	    = { "vmalist"  },
 	[DRM_MEM_BUFS]	    = { "buflist"  },
 	[DRM_MEM_SEGS]	    = { "seglist"  },
 	[DRM_MEM_PAGES]	    = { "pagelist" },
diff --git a/bsd/drm_sysctl.h b/bsd/drm_sysctl.h
index 627b78c9..2ca187d8 100644
--- a/bsd/drm_sysctl.h
+++ b/bsd/drm_sysctl.h
@@ -11,9 +11,6 @@ static int	   DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS;
 static int	   DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
 static int	   DRM(queues_info)DRM_SYSCTL_HANDLER_ARGS;
 static int	   DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
-#if DRM_DEBUG_CODExx
-static int	   DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS;
-#endif
 #if DRM_DMA_HISTOGRAM
 static int	   DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS;
 #endif
@@ -28,9 +25,6 @@ struct DRM(sysctl_list) {
 	{ "clients", DRM(clients_info) },
 	{ "queues",  DRM(queues_info)  },
 	{ "bufs",    DRM(bufs_info)    },
-#if DRM_DEBUG_CODExx
-	{ "vma",     DRM(vma_info)     },
-#endif
 #if DRM_DMA_HISTOGRAM
 	{ "histo",   drm_histo_info)   },
 #endif
@@ -309,92 +303,6 @@ static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
 	return ret;
 }
 
-#if DRM_DEBUG_CODExx
-
-static int DRM(_vma_info)DRM_SYSCTL_HANDLER_ARGS
-{
-	drm_device_t	      *dev = arg1;
-	drm_vma_entry_t	      *pt;
-	pgd_t		      *pgd;
-	pmd_t		      *pmd;
-	pte_t		      *pte;
-	unsigned long	      i;
-	struct vm_area_struct *vma;
-	unsigned long	      address;
-#if defined(__i386__)
-	unsigned int	      pgprot;
-#endif
-	char		      buf[128];
-	int		      error;
-
-	DRM_SYSCTL_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n",
-		       atomic_read(&dev->vma_count),
-		       high_memory, virt_to_phys(high_memory));
-	for (pt = dev->vmalist; pt; pt = pt->next) {
-		if (!(vma = pt->vma)) continue;
-		DRM_SYSCTL_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx",
-			       pt->pid,
-			       vma->vm_start,
-			       vma->vm_end,
-			       vma->vm_flags & VM_READ	   ? 'r' : '-',
-			       vma->vm_flags & VM_WRITE	   ? 'w' : '-',
-			       vma->vm_flags & VM_EXEC	   ? 'x' : '-',
-			       vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
-			       vma->vm_flags & VM_LOCKED   ? 'l' : '-',
-			       vma->vm_flags & VM_IO	   ? 'i' : '-',
-			       vma->vm_offset );
-#if defined(__i386__)
-		pgprot = pgprot_val(vma->vm_page_prot);
-		DRM_SYSCTL_PRINT(" %c%c%c%c%c%c%c%c%c",
-			       pgprot & _PAGE_PRESENT  ? 'p' : '-',
-			       pgprot & _PAGE_RW       ? 'w' : 'r',
-			       pgprot & _PAGE_USER     ? 'u' : 's',
-			       pgprot & _PAGE_PWT      ? 't' : 'b',
-			       pgprot & _PAGE_PCD      ? 'u' : 'c',
-			       pgprot & _PAGE_ACCESSED ? 'a' : '-',
-			       pgprot & _PAGE_DIRTY    ? 'd' : '-',
-			       pgprot & _PAGE_4M       ? 'm' : 'k',
-			       pgprot & _PAGE_GLOBAL   ? 'g' : 'l' );
-#endif		
-		DRM_SYSCTL_PRINT("\n");
-		for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) {
-			pgd = pgd_offset(vma->vm_mm, i);
-			pmd = pmd_offset(pgd, i);
-			pte = pte_offset(pmd, i);
-			if (pte_present(*pte)) {
-				address = __pa(pte_page(*pte))
-					+ (i & (PAGE_SIZE-1));
-				DRM_SYSCTL_PRINT("      0x%08lx -> 0x%08lx"
-					       " %c%c%c%c%c\n",
-					       i,
-					       address,
-					       pte_read(*pte)  ? 'r' : '-',
-					       pte_write(*pte) ? 'w' : '-',
-					       pte_exec(*pte)  ? 'x' : '-',
-					       pte_dirty(*pte) ? 'd' : '-',
-					       pte_young(*pte) ? 'a' : '-' );
-			} else {
-				DRM_SYSCTL_PRINT("      0x%08lx\n", i);
-			}
-		}
-	}
-	
-	SYSCTL_OUT(req, "", 1);
-	return 0;
-}
-
-static int DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS
-{
-	drm_device_t *dev = arg1;
-	int	     ret;
-
-	DRM_LOCK;
-	ret = DRM(_vma_info)(oidp, arg1, arg2, req);
-	DRM_UNLOCK;
-	return ret;
-}
-#endif
-
 
 #if DRM_DMA_HISTOGRAM
 static int DRM(_histo_info)DRM_SYSCTL_HANDLER_ARGS