diff options
| -rw-r--r-- | drivers/char/drm/drmP.h | 5 | ||||
| -rw-r--r-- | drivers/char/drm/drm_auth.c | 20 | ||||
| -rw-r--r-- | drivers/char/drm/drm_bufs.c | 80 | ||||
| -rw-r--r-- | drivers/char/drm/drm_context.c | 52 | ||||
| -rw-r--r-- | drivers/char/drm/drm_drv.c | 4 | ||||
| -rw-r--r-- | drivers/char/drm/drm_fops.c | 12 | ||||
| -rw-r--r-- | drivers/char/drm/drm_ioctl.c | 18 | ||||
| -rw-r--r-- | drivers/char/drm/drm_irq.c | 16 | ||||
| -rw-r--r-- | drivers/char/drm/drm_proc.c | 28 | ||||
| -rw-r--r-- | drivers/char/drm/drm_stub.c | 4 | ||||
| -rw-r--r-- | drivers/char/drm/drm_vm.c | 12 |
11 files changed, 126 insertions, 125 deletions
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 54b561e69486..71b8b32b075f 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -57,6 +57,7 @@ #include <linux/smp_lock.h> /* For (un)lock_kernel */ #include <linux/mm.h> #include <linux/cdev.h> +#include <linux/mutex.h> #if defined(__alpha__) || defined(__powerpc__) #include <asm/pgtable.h> /* For pte_wrprotect */ #endif @@ -623,7 +624,7 @@ typedef struct drm_device { /** \name Locks */ /*@{ */ spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ - struct semaphore struct_sem; /**< For others */ + struct mutex struct_mutex; /**< For others */ /*@} */ /** \name Usage Counters */ @@ -658,7 +659,7 @@ typedef struct drm_device { /*@{ */ drm_ctx_list_t *ctxlist; /**< Linked list of context handles */ int ctx_count; /**< Number of context handles */ - struct semaphore ctxlist_sem; /**< For ctxlist */ + struct mutex ctxlist_mutex; /**< For ctxlist */ drm_map_t **context_sareas; /**< per-context SAREA's */ int max_context; diff --git a/drivers/char/drm/drm_auth.c b/drivers/char/drm/drm_auth.c index a47b502bc7cc..2a37586a7ee8 100644 --- a/drivers/char/drm/drm_auth.c +++ b/drivers/char/drm/drm_auth.c @@ -56,7 +56,7 @@ static int drm_hash_magic(drm_magic_t magic) * \param magic magic number. * * Searches in drm_device::magiclist within all files with the same hash key - * the one with matching magic number, while holding the drm_device::struct_sem + * the one with matching magic number, while holding the drm_device::struct_mutex * lock. */ static drm_file_t *drm_find_file(drm_device_t * dev, drm_magic_t magic) @@ -65,14 +65,14 @@ static drm_file_t *drm_find_file(drm_device_t * dev, drm_magic_t magic) drm_magic_entry_t *pt; int hash = drm_hash_magic(magic); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); for (pt = dev->magiclist[hash].head; pt; pt = pt->next) { if (pt->magic == magic) { retval = pt->priv; break; } } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return retval; } @@ -85,7 +85,7 @@ static drm_file_t *drm_find_file(drm_device_t * dev, drm_magic_t magic) * * Creates a drm_magic_entry structure and appends to the linked list * associated the magic number hash key in drm_device::magiclist, while holding - * the drm_device::struct_sem lock. + * the drm_device::struct_mutex lock. */ static int drm_add_magic(drm_device_t * dev, drm_file_t * priv, drm_magic_t magic) @@ -104,7 +104,7 @@ static int drm_add_magic(drm_device_t * dev, drm_file_t * priv, entry->priv = priv; entry->next = NULL; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); if (dev->magiclist[hash].tail) { dev->magiclist[hash].tail->next = entry; dev->magiclist[hash].tail = entry; @@ -112,7 +112,7 @@ static int drm_add_magic(drm_device_t * dev, drm_file_t * priv, dev->magiclist[hash].head = entry; dev->magiclist[hash].tail = entry; } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return 0; } @@ -124,7 +124,7 @@ static int drm_add_magic(drm_device_t * dev, drm_file_t * priv, * \param magic magic number. * * Searches and unlinks the entry in drm_device::magiclist with the magic - * number hash key, while holding the drm_device::struct_sem lock. + * number hash key, while holding the drm_device::struct_mutex lock. */ static int drm_remove_magic(drm_device_t * dev, drm_magic_t magic) { @@ -135,7 +135,7 @@ static int drm_remove_magic(drm_device_t * dev, drm_magic_t magic) DRM_DEBUG("%d\n", magic); hash = drm_hash_magic(magic); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) { if (pt->magic == magic) { if (dev->magiclist[hash].head == pt) { @@ -147,11 +147,11 @@ static int drm_remove_magic(drm_device_t * dev, drm_magic_t magic) if (prev) { prev->next = pt->next; } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return 0; } } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c index 1db12dcb6802..e2637b4d51de 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -255,14 +255,14 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, memset(list, 0, sizeof(*list)); list->map = map; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); list_add(&list->head, &dev->maplist->head); /* Assign a 32-bit handle */ - /* We do it here so that dev->struct_sem protects the increment */ + /* We do it here so that dev->struct_mutex protects the increment */ list->user_token = HandleID(map->type == _DRM_SHM ? (unsigned long)map->handle : map->offset, dev); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); *maplist = list; return 0; @@ -392,9 +392,9 @@ int drm_rmmap(drm_device_t *dev, drm_local_map_t *map) { int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm_rmmap_locked(dev, map); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } @@ -423,7 +423,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp, return -EFAULT; } - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); list_for_each(list, &dev->maplist->head) { drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head); @@ -439,7 +439,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp, * find anything. */ if (list == (&dev->maplist->head)) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } @@ -448,13 +448,13 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp, /* Register and framebuffer maps are permanent */ if ((map->type == _DRM_REGISTERS) || (map->type == _DRM_FRAME_BUFFER)) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return 0; } ret = drm_rmmap_locked(dev, map); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } @@ -566,16 +566,16 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request) atomic_inc(&dev->buf_alloc); spin_unlock(&dev->count_lock); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); entry = &dma->bufs[order]; if (entry->buf_count) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; /* May only call once for each order */ } if (count < 0 || count > 4096) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -EINVAL; } @@ -583,7 +583,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request) entry->buflist = drm_alloc(count * sizeof(*entry->buflist), DRM_MEM_BUFS); if (!entry->buflist) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -616,7 +616,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request) /* Set count correctly so we free the proper amount. */ entry->buf_count = count; drm_cleanup_buf_error(dev, entry); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -638,7 +638,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request) if (!temp_buflist) { /* Free the entry because it isn't valid */ drm_cleanup_buf_error(dev, entry); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -656,7 +656,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request) DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count); DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); request->count = entry->buf_count; request->size = size; @@ -722,16 +722,16 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) atomic_inc(&dev->buf_alloc); spin_unlock(&dev->count_lock); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); entry = &dma->bufs[order]; if (entry->buf_count) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; /* May only call once for each order */ } if (count < 0 || count > 4096) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -EINVAL; } @@ -739,7 +739,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) entry->buflist = drm_alloc(count * sizeof(*entry->buflist), DRM_MEM_BUFS); if (!entry->buflist) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -750,7 +750,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) if (!entry->seglist) { drm_free(entry->buflist, count * sizeof(*entry->buflist), DRM_MEM_BUFS); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -766,7 +766,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) count * sizeof(*entry->buflist), DRM_MEM_BUFS); drm_free(entry->seglist, count * sizeof(*entry->seglist), DRM_MEM_SEGS); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -790,7 +790,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) drm_free(temp_pagelist, (dma->page_count + (count << page_order)) * sizeof(*dma->pagelist), DRM_MEM_PAGES); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -831,7 +831,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) (count << page_order)) * sizeof(*dma->pagelist), DRM_MEM_PAGES); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -853,7 +853,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) drm_free(temp_pagelist, (dma->page_count + (count << page_order)) * sizeof(*dma->pagelist), DRM_MEM_PAGES); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -878,7 +878,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) dma->page_count += entry->seg_count << page_order; dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); request->count = entry->buf_count; request->size = size; @@ -948,16 +948,16 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request) atomic_inc(&dev->buf_alloc); spin_unlock(&dev->count_lock); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); entry = &dma->bufs[order]; if (entry->buf_count) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; /* May only call once for each order */ } if (count < 0 || count > 4096) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -EINVAL; } @@ -965,7 +965,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request) entry->buflist = drm_alloc(count * sizeof(*entry->buflist), DRM_MEM_BUFS); if (!entry->buflist) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -999,7 +999,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request) /* Set count correctly so we free the proper amount. */ entry->buf_count = count; drm_cleanup_buf_error(dev, entry); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -1022,7 +1022,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request) if (!temp_buflist) { /* Free the entry because it isn't valid */ drm_cleanup_buf_error(dev, entry); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -1040,7 +1040,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request) DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count); DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); request->count = entry->buf_count; request->size = size; @@ -1110,16 +1110,16 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) atomic_inc(&dev->buf_alloc); spin_unlock(&dev->count_lock); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); entry = &dma->bufs[order]; if (entry->buf_count) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; /* May only call once for each order */ } if (count < 0 || count > 4096) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -EINVAL; } @@ -1127,7 +1127,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) entry->buflist = drm_alloc(count * sizeof(*entry->buflist), DRM_MEM_BUFS); if (!entry->buflist) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -1160,7 +1160,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) /* Set count correctly so we free the proper amount. */ entry->buf_count = count; drm_cleanup_buf_error(dev, entry); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -1182,7 +1182,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) if (!temp_buflist) { /* Free the entry because it isn't valid */ drm_cleanup_buf_error(dev, entry); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); atomic_dec(&dev->buf_alloc); return -ENOMEM; } @@ -1200,7 +1200,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count); DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); request->count = entry->buf_count; request->size = size; diff --git a/drivers/char/drm/drm_context.c b/drivers/char/drm/drm_context.c index f84254526949..83094c73da67 100644 --- a/drivers/char/drm/drm_context.c +++ b/drivers/char/drm/drm_context.c @@ -53,7 +53,7 @@ * \param ctx_handle context handle. * * Clears the bit specified by \p ctx_handle in drm_device::ctx_bitmap and the entry - * in drm_device::context_sareas, while holding the drm_device::struct_sem + * in drm_device::context_sareas, while holding the drm_device::struct_mutex * lock. */ void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle) @@ -64,10 +64,10 @@ void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle) goto failed; if (ctx_handle < DRM_MAX_CTXBITMAP) { - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); clear_bit(ctx_handle, dev->ctx_bitmap); dev->context_sareas[ctx_handle] = NULL; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return; } failed: @@ -83,7 +83,7 @@ void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle) * * Find the first zero bit in drm_device::ctx_bitmap and (re)allocates * drm_device::context_sareas to accommodate the new entry while holding the - * drm_device::struct_sem lock. + * drm_device::struct_mutex lock. */ static int drm_ctxbitmap_next(drm_device_t * dev) { @@ -92,7 +92,7 @@ static int drm_ctxbitmap_next(drm_device_t * dev) if (!dev->ctx_bitmap) return -1; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); bit = find_first_zero_bit(dev->ctx_bitmap, DRM_MAX_CTXBITMAP); if (bit < DRM_MAX_CTXBITMAP) { set_bit(bit, dev->ctx_bitmap); @@ -113,7 +113,7 @@ static int drm_ctxbitmap_next(drm_device_t * dev) DRM_MEM_MAPS); if (!ctx_sareas) { clear_bit(bit, dev->ctx_bitmap); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -1; } dev->context_sareas = ctx_sareas; @@ -126,16 +126,16 @@ static int drm_ctxbitmap_next(drm_device_t * dev) DRM_MEM_MAPS); if (!dev->context_sareas) { clear_bit(bit, dev->ctx_bitmap); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -1; } dev->context_sareas[bit] = NULL; } } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return bit; } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -1; } @@ -145,24 +145,24 @@ static int drm_ctxbitmap_next(drm_device_t * dev) * \param dev DRM device. * * Allocates and initialize drm_device::ctx_bitmap and drm_device::context_sareas, while holding - * the drm_device::struct_sem lock. + * the drm_device::struct_mutex lock. */ int drm_ctxbitmap_init(drm_device_t * dev) { int i; int temp; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); dev->ctx_bitmap = (unsigned long *)drm_alloc(PAGE_SIZE, DRM_MEM_CTXBITMAP); if (dev->ctx_bitmap == NULL) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -ENOMEM; } memset((void *)dev->ctx_bitmap, 0, PAGE_SIZE); dev->context_sareas = NULL; dev->max_context = -1; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { temp = drm_ctxbitmap_next(dev); @@ -178,17 +178,17 @@ int drm_ctxbitmap_init(drm_device_t * dev) * \param dev DRM device. * * Frees drm_device::ctx_bitmap and drm_device::context_sareas, while holding - * the drm_device::struct_sem lock. + * the drm_device::struct_mutex lock. */ void drm_ctxbitmap_cleanup(drm_device_t * dev) { - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); if (dev->context_sareas) drm_free(dev->context_sareas, sizeof(*dev->context_sareas) * dev->max_context, DRM_MEM_MAPS); drm_free((void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); } /*@}*/ @@ -222,15 +222,15 @@ int drm_getsareactx(struct inode *inode, struct file *filp, if (copy_from_user(&request, argp, sizeof(request))) return -EFAULT; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); if (dev->max_context < 0 || request.ctx_id >= (unsigned)dev->max_context) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } map = dev->context_sareas[request.ctx_id]; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); request.handle = NULL; list_for_each_entry(_entry, &dev->maplist->head, head) { @@ -274,7 +274,7 @@ int drm_setsareactx(struct inode *inode, struct file *filp, (drm_ctx_priv_map_t __user *) arg, sizeof(request))) return -EFAULT; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); list_for_each(list, &dev->maplist->head) { r_list = list_entry(list, drm_map_list_t, head); if (r_list->map @@ -282,7 +282,7 @@ int drm_setsareactx(struct inode *inode, struct file *filp, goto found; } bad: - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; found: @@ -294,7 +294,7 @@ int drm_setsareactx(struct inode *inode, struct file *filp, if (request.ctx_id >= (unsigned)dev->max_context) goto bad; dev->context_sareas[request.ctx_id] = map; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return 0; } @@ -448,10 +448,10 @@ int drm_addctx(struct inode *inode, struct file *filp, ctx_entry->handle = ctx.handle; ctx_entry->tag = priv; - down(&dev->ctxlist_sem); + mutex_lock(&dev->ctxlist_mutex); list_add(&ctx_entry->head, &dev->ctxlist->head); ++dev->ctx_count; - up(&dev->ctxlist_sem); + mutex_unlock(&dev->ctxlist_mutex); if (copy_to_user(argp, &ctx, sizeof(ctx))) return -EFAULT; @@ -574,7 +574,7 @@ int drm_rmctx(struct inode *inode, struct file *filp, drm_ctxbitmap_free(dev, ctx.handle); } - down(&dev->ctxlist_sem); + mutex_lock(&dev->ctxlist_mutex); if (!list_empty(&dev->ctxlist->head)) { drm_ctx_list_t *pos, *n; @@ -586,7 +586,7 @@ int drm_rmctx(struct inode *inode, struct file *filp, } } } - up(&dev->ctxlist_sem); + mutex_unlock(&dev->ctxlist_mutex); return 0; } diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index c4fa5a29582b..dc6bbe8a18dc 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -151,7 +151,7 @@ int drm_lastclose(drm_device_t * dev) if (dev->irq_enabled) drm_irq_uninstall(dev); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); del_timer(&dev->timer); /* Clear pid list */ @@ -231,7 +231,7 @@ int drm_lastclose(drm_device_t * dev) dev->lock.filp = NULL; wake_up_interruptible(&dev->lock.lock_queue); } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); DRM_DEBUG("lastclose completed\n"); return 0; diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c index 403f44a1bf01..641f7633878c 100644 --- a/drivers/char/drm/drm_fops.c +++ b/drivers/char/drm/drm_fops.c @@ -262,7 +262,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp, goto out_free; } - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); if (!dev->file_last) { priv->next = NULL; priv->prev = NULL; @@ -276,7 +276,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp, dev->file_last->next = priv; dev->file_last = priv; } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); #ifdef __alpha__ /* @@ -413,7 +413,7 @@ int drm_release(struct inode *inode, struct file *filp) drm_fasync(-1, filp, 0); - down(&dev->ctxlist_sem); + mutex_lock(&dev->ctxlist_mutex); if (dev->ctxlist && (!list_empty(&dev->ctxlist->head))) { drm_ctx_list_t *pos, *n; @@ -432,9 +432,9 @@ int drm_release(struct inode *inode, struct file *filp) } } } - up(&dev->ctxlist_sem); + mutex_unlock(&dev->ctxlist_mutex); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); if (priv->remove_auth_on_close == 1) { drm_file_t *temp = dev->file_first; while (temp) { @@ -452,7 +452,7 @@ int drm_release(struct inode *inode, struct file *filp) } else { dev->file_last = priv->prev; } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); if (dev->driver->postclose) dev->driver->postclose(dev, priv); diff --git a/drivers/char/drm/drm_ioctl.c b/drivers/char/drm/drm_ioctl.c index bcd4e604d3ec..555f323b8a32 100644 --- a/drivers/char/drm/drm_ioctl.c +++ b/drivers/char/drm/drm_ioctl.c @@ -194,9 +194,9 @@ int drm_getmap(struct inode *inode, struct file *filp, return -EFAULT; idx = map.offset; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); if (idx < 0) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } @@ -209,7 +209,7 @@ int drm_getmap(struct inode *inode, struct file *filp, i++; } if (!r_list || !r_list->map) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } @@ -219,7 +219,7 @@ int drm_getmap(struct inode *inode, struct file *filp, map.flags = r_list->map->flags; map.handle = (void *)(unsigned long)r_list->user_token; map.mtrr = r_list->map->mtrr; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); if (copy_to_user(argp, &map, sizeof(map))) return -EFAULT; @@ -253,11 +253,11 @@ int drm_getclient(struct inode *inode, struct file *filp, if (copy_from_user(&client, argp, sizeof(client))) return -EFAULT; idx = client.idx; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) ; if (!pt) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } client.auth = pt->authenticated; @@ -265,7 +265,7 @@ int drm_getclient(struct inode *inode, struct file *filp, client.uid = pt->uid; client.magic = pt->magic; client.iocs = pt->ioctl_count; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); if (copy_to_user(argp, &client, sizeof(client))) return -EFAULT; @@ -292,7 +292,7 @@ int drm_getstats(struct inode *inode, struct file *filp, memset(&stats, 0, sizeof(stats)); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); for (i = 0; i < dev->counters; i++) { if (dev->types[i] == _DRM_STAT_LOCK) @@ -305,7 +305,7 @@ int drm_getstats(struct inode *inode, struct file *filp, stats.count = dev->counters; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); if (copy_to_user((drm_stats_t __user *) arg, &stats, sizeof(stats))) return -EFAULT; diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c index b0d4b236e837..611a1173091d 100644 --- a/drivers/char/drm/drm_irq.c +++ b/drivers/char/drm/drm_irq.c @@ -98,20 +98,20 @@ static int drm_irq_install(drm_device_t * dev) if (dev->irq == 0) return -EINVAL; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); /* Driver must have been initialized */ if (!dev->dev_private) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } if (dev->irq_enabled) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EBUSY; } dev->irq_enabled = 1; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); DRM_DEBUG("%s: irq=%d\n", __FUNCTION__, dev->irq); @@ -135,9 +135,9 @@ static int drm_irq_install(drm_device_t * dev) ret = request_irq(dev->irq, dev->driver->irq_handler, sh_flags, dev->devname, dev); if (ret < 0) { - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); dev->irq_enabled = 0; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } @@ -161,10 +161,10 @@ int drm_irq_uninstall(drm_device_t * dev) if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) return -EINVAL; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); irq_enabled = dev->irq_enabled; dev->irq_enabled = 0; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); if (!irq_enabled) return -EINVAL; diff --git a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c index 6f943e3309ef..362a270af0f1 100644 --- a/drivers/char/drm/drm_proc.c +++ b/drivers/char/drm/drm_proc.c @@ -258,7 +258,7 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request, } /** - * Simply calls _vm_info() while holding the drm_device::struct_sem lock. + * Simply calls _vm_info() while holding the drm_device::struct_mutex lock. */ static int drm_vm_info(char *buf, char **start, off_t offset, int request, int *eof, void *data) @@ -266,9 +266,9 @@ static int drm_vm_info(char *buf, char **start, off_t offset, int request, drm_device_t *dev = (drm_device_t *) data; int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm__vm_info(buf, start, offset, request, eof, data); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } @@ -331,7 +331,7 @@ static int drm__queues_info(char *buf, char **start, off_t offset, } /** - * Simply calls _queues_info() while holding the drm_device::struct_sem lock. + * Simply calls _queues_info() while holding the drm_device::struct_mutex lock. */ static int drm_queues_info(char *buf, char **start, off_t offset, int request, int *eof, void *data) @@ -339,9 +339,9 @@ static int drm_queues_info(char *buf, char **start, off_t offset, int request, drm_device_t *dev = (drm_device_t *) data; int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm__queues_info(buf, start, offset, request, eof, data); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } @@ -403,7 +403,7 @@ static int drm__bufs_info(char *buf, char **start, off_t offset, int request, } /** - * Simply calls _bufs_info() while holding the drm_device::struct_sem lock. + * Simply calls _bufs_info() while holding the drm_device::struct_mutex lock. */ static int drm_bufs_info(char *buf, char **start, off_t offset, int request, int *eof, void *data) @@ -411,9 +411,9 @@ static int drm_bufs_info(char *buf, char **start, off_t offset, int request, drm_device_t *dev = (drm_device_t *) data; int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm__bufs_info(buf, start, offset, request, eof, data); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } @@ -459,7 +459,7 @@ static int drm__clients_info(char *buf, char **start, off_t offset, } /** - * Simply calls _clients_info() while holding the drm_device::struct_sem lock. + * Simply calls _clients_info() while holding the drm_device::struct_mutex lock. */ static int drm_clients_info(char *buf, char **start, off_t offset, int request, int *eof, void *data) @@ -467,9 +467,9 @@ static int drm_clients_info(char *buf, char **start, off_t offset, drm_device_t *dev = (drm_device_t *) data; int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm__clients_info(buf, start, offset, request, eof, data); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } @@ -540,9 +540,9 @@ static int drm_vma_info(char *buf, char **start, off_t offset, int request, drm_device_t *dev = (drm_device_t *) data; int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm__vma_info(buf, start, offset, request, eof, data); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } #endif diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c index 42d766359caa..7a9263ff3007 100644 --- a/drivers/char/drm/drm_stub.c +++ b/drivers/char/drm/drm_stub.c @@ -61,8 +61,8 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev, spin_lock_init(&dev->count_lock); init_timer(&dev->timer); - sema_init(&dev->struct_sem, 1); - sema_init(&dev->ctxlist_sem, 1); + mutex_init(&dev->struct_mutex); + mutex_init(&dev->ctxlist_mutex); dev->pdev = pdev; diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index 3f73aa774c80..0291cd62c69f 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -188,7 +188,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) map = vma->vm_private_data; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); for (pt = dev->vmalist, prev = NULL; pt; pt = next) { next = pt->next; if (pt->vma->vm_private_data == map) @@ -248,7 +248,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) drm_free(map, sizeof(*map), DRM_MEM_MAPS); } } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); } /** @@ -404,12 +404,12 @@ static void drm_vm_open(struct vm_area_struct *vma) vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS); if (vma_entry) { - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); vma_entry->vma = vma; vma_entry->next = dev->vmalist; vma_entry->pid = current->pid; dev->vmalist = vma_entry; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); } } @@ -431,7 +431,7 @@ static void drm_vm_close(struct vm_area_struct *vma) vma->vm_start, vma->vm_end - vma->vm_start); atomic_dec(&dev->vma_count); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { if (pt->vma == vma) { if (prev) { @@ -443,7 +443,7 @@ static void drm_vm_close(struct vm_area_struct *vma) break; } } - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); } /** |