diff options
author | José Fonseca <jrfonseca@tungstengraphics.com> | 2008-05-22 20:33:17 +0900 |
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committer | José Fonseca <jrfonseca@tungstengraphics.com> | 2008-05-22 20:33:17 +0900 |
commit | bd4eec0561fb021849ac4047fdbf40a616fb68b3 (patch) | |
tree | 0718f2d2844808a7bfc45c93354ed5cbcd3f0831 /src | |
parent | 019fc3aa04f11d61e6d0f4791c171d1790577ab5 (diff) |
pipebuffer: Don't retry allocating in slab suballocator.
In pipebuffer, fencing is done at on a level above sub-allocation, so no
matter how many times slab allocator retries no buffer will be freed. The
pipebuffer fencing implemention already retries allocating.
Diffstat (limited to 'src')
-rw-r--r-- | src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c index b931455056e..45ba158a4d9 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c @@ -47,9 +47,6 @@ #include "pb_bufmgr.h" -#define DRI_SLABPOOL_ALLOC_RETRIES 100 - - struct pb_slab; struct pb_slab_buffer @@ -313,7 +310,6 @@ pb_slab_manager_create_buffer(struct pb_manager *_mgr, static struct pb_slab_buffer *buf; struct pb_slab *slab; struct list_head *list; - int count = DRI_SLABPOOL_ALLOC_RETRIES; /* check size */ assert(size == mgr->bufSize); @@ -331,23 +327,14 @@ pb_slab_manager_create_buffer(struct pb_manager *_mgr, /* XXX: check for compatible buffer usage too? */ _glthread_LOCK_MUTEX(mgr->mutex); - while (mgr->slabs.next == &mgr->slabs && count > 0) { - if (mgr->slabs.next != &mgr->slabs) - break; - - _glthread_UNLOCK_MUTEX(mgr->mutex); - if (count != DRI_SLABPOOL_ALLOC_RETRIES) - util_time_sleep(1); - _glthread_LOCK_MUTEX(mgr->mutex); + if (mgr->slabs.next == &mgr->slabs) { (void) pb_slab_create(mgr); - count--; + if (mgr->slabs.next == &mgr->slabs) { + _glthread_UNLOCK_MUTEX(mgr->mutex); + return NULL; + } } - list = mgr->slabs.next; - if (list == &mgr->slabs) { - _glthread_UNLOCK_MUTEX(mgr->mutex); - return NULL; - } slab = LIST_ENTRY(struct pb_slab, list, head); if (--slab->numFree == 0) LIST_DELINIT(list); |