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Reclaim buffers locked fixup.

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Avoid calling reclaim_buffers_locked if we don't have a
hardware lock.

Improve reclaim_buffers_locked deadlock error formatting.
This commit is contained in:
Thomas Hellstrom 2006-12-19 23:14:11 +01:00
parent 737c73d1a0
commit 81251bf78f
1 changed files with 7 additions and 7 deletions
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14
linux-core/drm_fops.c
View file

@ -426,7 +426,7 @@ int drm_release(struct inode *inode, struct file *filp)
current->pid, (long)old_encode_dev(priv->head->device),
dev->open_count);
if (dev->driver->reclaim_buffers_locked) {
if (dev->driver->reclaim_buffers_locked && dev->lock.hw_lock) {
unsigned long _end = jiffies + DRM_HZ*3;
do {
@ -446,12 +446,12 @@ int drm_release(struct inode *inode, struct file *filp)
* holds the lock. Then we can run reclaim buffers locked anyway.
*/
DRM_ERROR("Reclaim buffers locked deadlock.\n");
DRM_ERROR("This is probably a single thread having multiple\n");
DRM_ERROR("DRM file descriptors open either dying or "
"closing file descriptors\n");
DRM_ERROR("while having the lock. I will not reclaim buffers.\n");
DRM_ERROR("Locking context is 0x%08x\n",
DRM_ERROR("Reclaim buffers locked deadlock.\n"
"\tThis is probably a single thread having multiple\n"
"\tDRM file descriptors open either dying or"
" closing file descriptors\n"
"\twhile having the lock. I will not reclaim buffers.\n"
"\tLocking context is 0x%08x\n",
_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
}
} else if (drm_i_have_hw_lock(filp)) {