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sem2mutex: drivers/char/drm/

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From: Arjan van de Ven <arjan@infradead.org>

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Dave Airlie
2006-02-02 19:37:46 +11:00
committed by Dave Airlie
parent ce60fe02fb
commit 30e2fb1881
11 changed files with 126 additions and 125 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/char/drm/drm_context.c
+26 -26
View File
@@ -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;
}