1254885Sdumbbell/* 2254885Sdumbbell * Copyright 2011 Red Hat Inc. 3254885Sdumbbell * All Rights Reserved. 4254885Sdumbbell * 5254885Sdumbbell * Permission is hereby granted, free of charge, to any person obtaining a 6254885Sdumbbell * copy of this software and associated documentation files (the 7254885Sdumbbell * "Software"), to deal in the Software without restriction, including 8254885Sdumbbell * without limitation the rights to use, copy, modify, merge, publish, 9254885Sdumbbell * distribute, sub license, and/or sell copies of the Software, and to 10254885Sdumbbell * permit persons to whom the Software is furnished to do so, subject to 11254885Sdumbbell * the following conditions: 12254885Sdumbbell * 13254885Sdumbbell * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14254885Sdumbbell * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15254885Sdumbbell * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 16254885Sdumbbell * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 17254885Sdumbbell * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 18254885Sdumbbell * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 19254885Sdumbbell * USE OR OTHER DEALINGS IN THE SOFTWARE. 20254885Sdumbbell * 21254885Sdumbbell * The above copyright notice and this permission notice (including the 22254885Sdumbbell * next paragraph) shall be included in all copies or substantial portions 23254885Sdumbbell * of the Software. 24254885Sdumbbell * 25254885Sdumbbell */ 26254885Sdumbbell/* 27254885Sdumbbell * Authors: 28254885Sdumbbell * Jerome Glisse <glisse@freedesktop.org> 29254885Sdumbbell */ 30254885Sdumbbell/* Algorithm: 31254885Sdumbbell * 32254885Sdumbbell * We store the last allocated bo in "hole", we always try to allocate 33254885Sdumbbell * after the last allocated bo. Principle is that in a linear GPU ring 34254885Sdumbbell * progression was is after last is the oldest bo we allocated and thus 35254885Sdumbbell * the first one that should no longer be in use by the GPU. 36254885Sdumbbell * 37254885Sdumbbell * If it's not the case we skip over the bo after last to the closest 38254885Sdumbbell * done bo if such one exist. If none exist and we are not asked to 39254885Sdumbbell * block we report failure to allocate. 40254885Sdumbbell * 41254885Sdumbbell * If we are asked to block we wait on all the oldest fence of all 42254885Sdumbbell * rings. We just wait for any of those fence to complete. 43254885Sdumbbell */ 44254885Sdumbbell 45254885Sdumbbell#include <sys/cdefs.h> 46254885Sdumbbell__FBSDID("$FreeBSD$"); 47254885Sdumbbell 48254885Sdumbbell#include <dev/drm2/drmP.h> 49254885Sdumbbell#include "radeon.h" 50254885Sdumbbell 51254885Sdumbbellstatic void radeon_sa_bo_remove_locked(struct radeon_sa_bo *sa_bo); 52254885Sdumbbellstatic void radeon_sa_bo_try_free(struct radeon_sa_manager *sa_manager); 53254885Sdumbbell 54254885Sdumbbellint radeon_sa_bo_manager_init(struct radeon_device *rdev, 55254885Sdumbbell struct radeon_sa_manager *sa_manager, 56254885Sdumbbell unsigned size, u32 domain) 57254885Sdumbbell{ 58254885Sdumbbell int i, r; 59254885Sdumbbell 60254885Sdumbbell sx_init(&sa_manager->wq_lock, "drm__radeon_sa_manager_wq_mtx"); 61254885Sdumbbell cv_init(&sa_manager->wq, "drm__radeon_sa_manager__wq"); 62254885Sdumbbell sa_manager->bo = NULL; 63254885Sdumbbell sa_manager->size = size; 64254885Sdumbbell sa_manager->domain = domain; 65254885Sdumbbell sa_manager->hole = &sa_manager->olist; 66254885Sdumbbell INIT_LIST_HEAD(&sa_manager->olist); 67254885Sdumbbell for (i = 0; i < RADEON_NUM_RINGS; ++i) { 68254885Sdumbbell INIT_LIST_HEAD(&sa_manager->flist[i]); 69254885Sdumbbell } 70254885Sdumbbell 71254885Sdumbbell r = radeon_bo_create(rdev, size, RADEON_GPU_PAGE_SIZE, true, 72254885Sdumbbell RADEON_GEM_DOMAIN_CPU, NULL, &sa_manager->bo); 73254885Sdumbbell if (r) { 74254885Sdumbbell dev_err(rdev->dev, "(%d) failed to allocate bo for manager\n", r); 75254885Sdumbbell return r; 76254885Sdumbbell } 77254885Sdumbbell 78254885Sdumbbell return r; 79254885Sdumbbell} 80254885Sdumbbell 81254885Sdumbbellvoid radeon_sa_bo_manager_fini(struct radeon_device *rdev, 82254885Sdumbbell struct radeon_sa_manager *sa_manager) 83254885Sdumbbell{ 84254885Sdumbbell struct radeon_sa_bo *sa_bo, *tmp; 85254885Sdumbbell 86254885Sdumbbell if (!list_empty(&sa_manager->olist)) { 87254885Sdumbbell sa_manager->hole = &sa_manager->olist, 88254885Sdumbbell radeon_sa_bo_try_free(sa_manager); 89254885Sdumbbell if (!list_empty(&sa_manager->olist)) { 90254885Sdumbbell dev_err(rdev->dev, "sa_manager is not empty, clearing anyway\n"); 91254885Sdumbbell } 92254885Sdumbbell } 93254885Sdumbbell list_for_each_entry_safe(sa_bo, tmp, &sa_manager->olist, olist) { 94254885Sdumbbell radeon_sa_bo_remove_locked(sa_bo); 95254885Sdumbbell } 96254885Sdumbbell radeon_bo_unref(&sa_manager->bo); 97254885Sdumbbell sa_manager->size = 0; 98254885Sdumbbell cv_destroy(&sa_manager->wq); 99254885Sdumbbell sx_destroy(&sa_manager->wq_lock); 100254885Sdumbbell} 101254885Sdumbbell 102254885Sdumbbellint radeon_sa_bo_manager_start(struct radeon_device *rdev, 103254885Sdumbbell struct radeon_sa_manager *sa_manager) 104254885Sdumbbell{ 105254885Sdumbbell int r; 106254885Sdumbbell 107254885Sdumbbell if (sa_manager->bo == NULL) { 108254885Sdumbbell dev_err(rdev->dev, "no bo for sa manager\n"); 109254885Sdumbbell return -EINVAL; 110254885Sdumbbell } 111254885Sdumbbell 112254885Sdumbbell /* map the buffer */ 113254885Sdumbbell r = radeon_bo_reserve(sa_manager->bo, false); 114254885Sdumbbell if (r) { 115254885Sdumbbell dev_err(rdev->dev, "(%d) failed to reserve manager bo\n", r); 116254885Sdumbbell return r; 117254885Sdumbbell } 118254885Sdumbbell r = radeon_bo_pin(sa_manager->bo, sa_manager->domain, &sa_manager->gpu_addr); 119254885Sdumbbell if (r) { 120254885Sdumbbell radeon_bo_unreserve(sa_manager->bo); 121254885Sdumbbell dev_err(rdev->dev, "(%d) failed to pin manager bo\n", r); 122254885Sdumbbell return r; 123254885Sdumbbell } 124254885Sdumbbell r = radeon_bo_kmap(sa_manager->bo, &sa_manager->cpu_ptr); 125254885Sdumbbell radeon_bo_unreserve(sa_manager->bo); 126254885Sdumbbell return r; 127254885Sdumbbell} 128254885Sdumbbell 129254885Sdumbbellint radeon_sa_bo_manager_suspend(struct radeon_device *rdev, 130254885Sdumbbell struct radeon_sa_manager *sa_manager) 131254885Sdumbbell{ 132254885Sdumbbell int r; 133254885Sdumbbell 134254885Sdumbbell if (sa_manager->bo == NULL) { 135254885Sdumbbell dev_err(rdev->dev, "no bo for sa manager\n"); 136254885Sdumbbell return -EINVAL; 137254885Sdumbbell } 138254885Sdumbbell 139254885Sdumbbell r = radeon_bo_reserve(sa_manager->bo, false); 140254885Sdumbbell if (!r) { 141254885Sdumbbell radeon_bo_kunmap(sa_manager->bo); 142254885Sdumbbell radeon_bo_unpin(sa_manager->bo); 143254885Sdumbbell radeon_bo_unreserve(sa_manager->bo); 144254885Sdumbbell } 145254885Sdumbbell return r; 146254885Sdumbbell} 147254885Sdumbbell 148254885Sdumbbellstatic void radeon_sa_bo_remove_locked(struct radeon_sa_bo *sa_bo) 149254885Sdumbbell{ 150254885Sdumbbell struct radeon_sa_manager *sa_manager = sa_bo->manager; 151254885Sdumbbell if (sa_manager->hole == &sa_bo->olist) { 152254885Sdumbbell sa_manager->hole = sa_bo->olist.prev; 153254885Sdumbbell } 154254885Sdumbbell list_del_init(&sa_bo->olist); 155254885Sdumbbell list_del_init(&sa_bo->flist); 156254885Sdumbbell radeon_fence_unref(&sa_bo->fence); 157254885Sdumbbell free(sa_bo, DRM_MEM_DRIVER); 158254885Sdumbbell} 159254885Sdumbbell 160254885Sdumbbellstatic void radeon_sa_bo_try_free(struct radeon_sa_manager *sa_manager) 161254885Sdumbbell{ 162254885Sdumbbell struct radeon_sa_bo *sa_bo, *tmp; 163254885Sdumbbell 164254885Sdumbbell if (sa_manager->hole->next == &sa_manager->olist) 165254885Sdumbbell return; 166254885Sdumbbell 167254885Sdumbbell sa_bo = list_entry(sa_manager->hole->next, struct radeon_sa_bo, olist); 168254885Sdumbbell list_for_each_entry_safe_from(sa_bo, tmp, &sa_manager->olist, olist) { 169254885Sdumbbell if (sa_bo->fence == NULL || !radeon_fence_signaled(sa_bo->fence)) { 170254885Sdumbbell return; 171254885Sdumbbell } 172254885Sdumbbell radeon_sa_bo_remove_locked(sa_bo); 173254885Sdumbbell } 174254885Sdumbbell} 175254885Sdumbbell 176254885Sdumbbellstatic inline unsigned radeon_sa_bo_hole_soffset(struct radeon_sa_manager *sa_manager) 177254885Sdumbbell{ 178254885Sdumbbell struct list_head *hole = sa_manager->hole; 179254885Sdumbbell 180254885Sdumbbell if (hole != &sa_manager->olist) { 181254885Sdumbbell return list_entry(hole, struct radeon_sa_bo, olist)->eoffset; 182254885Sdumbbell } 183254885Sdumbbell return 0; 184254885Sdumbbell} 185254885Sdumbbell 186254885Sdumbbellstatic inline unsigned radeon_sa_bo_hole_eoffset(struct radeon_sa_manager *sa_manager) 187254885Sdumbbell{ 188254885Sdumbbell struct list_head *hole = sa_manager->hole; 189254885Sdumbbell 190254885Sdumbbell if (hole->next != &sa_manager->olist) { 191254885Sdumbbell return list_entry(hole->next, struct radeon_sa_bo, olist)->soffset; 192254885Sdumbbell } 193254885Sdumbbell return sa_manager->size; 194254885Sdumbbell} 195254885Sdumbbell 196254885Sdumbbellstatic bool radeon_sa_bo_try_alloc(struct radeon_sa_manager *sa_manager, 197254885Sdumbbell struct radeon_sa_bo *sa_bo, 198254885Sdumbbell unsigned size, unsigned align) 199254885Sdumbbell{ 200254885Sdumbbell unsigned soffset, eoffset, wasted; 201254885Sdumbbell 202254885Sdumbbell soffset = radeon_sa_bo_hole_soffset(sa_manager); 203254885Sdumbbell eoffset = radeon_sa_bo_hole_eoffset(sa_manager); 204254885Sdumbbell wasted = (align - (soffset % align)) % align; 205254885Sdumbbell 206254885Sdumbbell if ((eoffset - soffset) >= (size + wasted)) { 207254885Sdumbbell soffset += wasted; 208254885Sdumbbell 209254885Sdumbbell sa_bo->manager = sa_manager; 210254885Sdumbbell sa_bo->soffset = soffset; 211254885Sdumbbell sa_bo->eoffset = soffset + size; 212254885Sdumbbell list_add(&sa_bo->olist, sa_manager->hole); 213254885Sdumbbell INIT_LIST_HEAD(&sa_bo->flist); 214254885Sdumbbell sa_manager->hole = &sa_bo->olist; 215254885Sdumbbell return true; 216254885Sdumbbell } 217254885Sdumbbell return false; 218254885Sdumbbell} 219254885Sdumbbell 220254885Sdumbbell/** 221254885Sdumbbell * radeon_sa_event - Check if we can stop waiting 222254885Sdumbbell * 223254885Sdumbbell * @sa_manager: pointer to the sa_manager 224254885Sdumbbell * @size: number of bytes we want to allocate 225254885Sdumbbell * @align: alignment we need to match 226254885Sdumbbell * 227254885Sdumbbell * Check if either there is a fence we can wait for or 228254885Sdumbbell * enough free memory to satisfy the allocation directly 229254885Sdumbbell */ 230254885Sdumbbellstatic bool radeon_sa_event(struct radeon_sa_manager *sa_manager, 231254885Sdumbbell unsigned size, unsigned align) 232254885Sdumbbell{ 233254885Sdumbbell unsigned soffset, eoffset, wasted; 234254885Sdumbbell int i; 235254885Sdumbbell 236254885Sdumbbell for (i = 0; i < RADEON_NUM_RINGS; ++i) { 237254885Sdumbbell if (!list_empty(&sa_manager->flist[i])) { 238254885Sdumbbell return true; 239254885Sdumbbell } 240254885Sdumbbell } 241254885Sdumbbell 242254885Sdumbbell soffset = radeon_sa_bo_hole_soffset(sa_manager); 243254885Sdumbbell eoffset = radeon_sa_bo_hole_eoffset(sa_manager); 244254885Sdumbbell wasted = (align - (soffset % align)) % align; 245254885Sdumbbell 246254885Sdumbbell if ((eoffset - soffset) >= (size + wasted)) { 247254885Sdumbbell return true; 248254885Sdumbbell } 249254885Sdumbbell 250254885Sdumbbell return false; 251254885Sdumbbell} 252254885Sdumbbell 253254885Sdumbbellstatic bool radeon_sa_bo_next_hole(struct radeon_sa_manager *sa_manager, 254254885Sdumbbell struct radeon_fence **fences, 255254885Sdumbbell unsigned *tries) 256254885Sdumbbell{ 257254885Sdumbbell struct radeon_sa_bo *best_bo = NULL; 258254885Sdumbbell unsigned i, soffset, best, tmp; 259254885Sdumbbell 260254885Sdumbbell /* if hole points to the end of the buffer */ 261254885Sdumbbell if (sa_manager->hole->next == &sa_manager->olist) { 262254885Sdumbbell /* try again with its beginning */ 263254885Sdumbbell sa_manager->hole = &sa_manager->olist; 264254885Sdumbbell return true; 265254885Sdumbbell } 266254885Sdumbbell 267254885Sdumbbell soffset = radeon_sa_bo_hole_soffset(sa_manager); 268254885Sdumbbell /* to handle wrap around we add sa_manager->size */ 269254885Sdumbbell best = sa_manager->size * 2; 270254885Sdumbbell /* go over all fence list and try to find the closest sa_bo 271254885Sdumbbell * of the current last 272254885Sdumbbell */ 273254885Sdumbbell for (i = 0; i < RADEON_NUM_RINGS; ++i) { 274254885Sdumbbell struct radeon_sa_bo *sa_bo; 275254885Sdumbbell 276254885Sdumbbell if (list_empty(&sa_manager->flist[i])) { 277254885Sdumbbell continue; 278254885Sdumbbell } 279254885Sdumbbell 280254885Sdumbbell sa_bo = list_first_entry(&sa_manager->flist[i], 281254885Sdumbbell struct radeon_sa_bo, flist); 282254885Sdumbbell 283254885Sdumbbell if (!radeon_fence_signaled(sa_bo->fence)) { 284254885Sdumbbell fences[i] = sa_bo->fence; 285254885Sdumbbell continue; 286254885Sdumbbell } 287254885Sdumbbell 288254885Sdumbbell /* limit the number of tries each ring gets */ 289254885Sdumbbell if (tries[i] > 2) { 290254885Sdumbbell continue; 291254885Sdumbbell } 292254885Sdumbbell 293254885Sdumbbell tmp = sa_bo->soffset; 294254885Sdumbbell if (tmp < soffset) { 295254885Sdumbbell /* wrap around, pretend it's after */ 296254885Sdumbbell tmp += sa_manager->size; 297254885Sdumbbell } 298254885Sdumbbell tmp -= soffset; 299254885Sdumbbell if (tmp < best) { 300254885Sdumbbell /* this sa bo is the closest one */ 301254885Sdumbbell best = tmp; 302254885Sdumbbell best_bo = sa_bo; 303254885Sdumbbell } 304254885Sdumbbell } 305254885Sdumbbell 306254885Sdumbbell if (best_bo) { 307254885Sdumbbell ++tries[best_bo->fence->ring]; 308254885Sdumbbell sa_manager->hole = best_bo->olist.prev; 309254885Sdumbbell 310254885Sdumbbell /* we knew that this one is signaled, 311254885Sdumbbell so it's save to remote it */ 312254885Sdumbbell radeon_sa_bo_remove_locked(best_bo); 313254885Sdumbbell return true; 314254885Sdumbbell } 315254885Sdumbbell return false; 316254885Sdumbbell} 317254885Sdumbbell 318254885Sdumbbellint radeon_sa_bo_new(struct radeon_device *rdev, 319254885Sdumbbell struct radeon_sa_manager *sa_manager, 320254885Sdumbbell struct radeon_sa_bo **sa_bo, 321254885Sdumbbell unsigned size, unsigned align, bool block) 322254885Sdumbbell{ 323254885Sdumbbell struct radeon_fence *fences[RADEON_NUM_RINGS]; 324254885Sdumbbell unsigned tries[RADEON_NUM_RINGS]; 325254885Sdumbbell int i, r; 326254885Sdumbbell 327254885Sdumbbell KASSERT(align <= RADEON_GPU_PAGE_SIZE, ("align > RADEON_GPU_PAGE_SIZE")); 328254885Sdumbbell KASSERT(size <= sa_manager->size, ("size > sa_manager->size")); 329254885Sdumbbell 330254885Sdumbbell *sa_bo = malloc(sizeof(struct radeon_sa_bo), DRM_MEM_DRIVER, M_WAITOK); 331254885Sdumbbell if ((*sa_bo) == NULL) { 332254885Sdumbbell return -ENOMEM; 333254885Sdumbbell } 334254885Sdumbbell (*sa_bo)->manager = sa_manager; 335254885Sdumbbell (*sa_bo)->fence = NULL; 336254885Sdumbbell INIT_LIST_HEAD(&(*sa_bo)->olist); 337254885Sdumbbell INIT_LIST_HEAD(&(*sa_bo)->flist); 338254885Sdumbbell 339254885Sdumbbell sx_xlock(&sa_manager->wq_lock); 340254885Sdumbbell do { 341254885Sdumbbell for (i = 0; i < RADEON_NUM_RINGS; ++i) { 342254885Sdumbbell fences[i] = NULL; 343254885Sdumbbell tries[i] = 0; 344254885Sdumbbell } 345254885Sdumbbell 346254885Sdumbbell do { 347254885Sdumbbell radeon_sa_bo_try_free(sa_manager); 348254885Sdumbbell 349254885Sdumbbell if (radeon_sa_bo_try_alloc(sa_manager, *sa_bo, 350254885Sdumbbell size, align)) { 351254885Sdumbbell sx_xunlock(&sa_manager->wq_lock); 352254885Sdumbbell return 0; 353254885Sdumbbell } 354254885Sdumbbell 355254885Sdumbbell /* see if we can skip over some allocations */ 356254885Sdumbbell } while (radeon_sa_bo_next_hole(sa_manager, fences, tries)); 357254885Sdumbbell 358254885Sdumbbell sx_xunlock(&sa_manager->wq_lock); 359254885Sdumbbell r = radeon_fence_wait_any(rdev, fences, false); 360254885Sdumbbell sx_xlock(&sa_manager->wq_lock); 361254885Sdumbbell /* if we have nothing to wait for block */ 362254885Sdumbbell if (r == -ENOENT && block) { 363254885Sdumbbell while (!radeon_sa_event(sa_manager, size, align)) { 364254885Sdumbbell r = -cv_wait_sig(&sa_manager->wq, 365254885Sdumbbell &sa_manager->wq_lock); 366259742Sdumbbell if (r == -EINTR) 367259742Sdumbbell r = -ERESTARTSYS; 368254885Sdumbbell if (r != 0) 369254885Sdumbbell break; 370254885Sdumbbell } 371254885Sdumbbell 372254885Sdumbbell } else if (r == -ENOENT) { 373254885Sdumbbell r = -ENOMEM; 374254885Sdumbbell } 375254885Sdumbbell 376254885Sdumbbell } while (!r); 377254885Sdumbbell 378254885Sdumbbell sx_xunlock(&sa_manager->wq_lock); 379254885Sdumbbell free(*sa_bo, DRM_MEM_DRIVER); 380254885Sdumbbell *sa_bo = NULL; 381254885Sdumbbell return r; 382254885Sdumbbell} 383254885Sdumbbell 384254885Sdumbbellvoid radeon_sa_bo_free(struct radeon_device *rdev, struct radeon_sa_bo **sa_bo, 385254885Sdumbbell struct radeon_fence *fence) 386254885Sdumbbell{ 387254885Sdumbbell struct radeon_sa_manager *sa_manager; 388254885Sdumbbell 389254885Sdumbbell if (sa_bo == NULL || *sa_bo == NULL) { 390254885Sdumbbell return; 391254885Sdumbbell } 392254885Sdumbbell 393254885Sdumbbell sa_manager = (*sa_bo)->manager; 394254885Sdumbbell sx_xlock(&sa_manager->wq_lock); 395254885Sdumbbell if (fence && !radeon_fence_signaled(fence)) { 396254885Sdumbbell (*sa_bo)->fence = radeon_fence_ref(fence); 397254885Sdumbbell list_add_tail(&(*sa_bo)->flist, 398254885Sdumbbell &sa_manager->flist[fence->ring]); 399254885Sdumbbell } else { 400254885Sdumbbell radeon_sa_bo_remove_locked(*sa_bo); 401254885Sdumbbell } 402254885Sdumbbell cv_broadcast(&sa_manager->wq); 403254885Sdumbbell sx_xunlock(&sa_manager->wq_lock); 404254885Sdumbbell *sa_bo = NULL; 405254885Sdumbbell} 406254885Sdumbbell 407254885Sdumbbell#if defined(CONFIG_DEBUG_FS) 408254885Sdumbbellvoid radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager, 409254885Sdumbbell struct seq_file *m) 410254885Sdumbbell{ 411254885Sdumbbell struct radeon_sa_bo *i; 412254885Sdumbbell 413254885Sdumbbell spin_lock(&sa_manager->wq.lock); 414254885Sdumbbell list_for_each_entry(i, &sa_manager->olist, olist) { 415254885Sdumbbell if (&i->olist == sa_manager->hole) { 416254885Sdumbbell seq_printf(m, ">"); 417254885Sdumbbell } else { 418254885Sdumbbell seq_printf(m, " "); 419254885Sdumbbell } 420254885Sdumbbell seq_printf(m, "[0x%08x 0x%08x] size %8d", 421254885Sdumbbell i->soffset, i->eoffset, i->eoffset - i->soffset); 422254885Sdumbbell if (i->fence) { 423254885Sdumbbell seq_printf(m, " protected by 0x%016llx on ring %d", 424254885Sdumbbell i->fence->seq, i->fence->ring); 425254885Sdumbbell } 426254885Sdumbbell seq_printf(m, "\n"); 427254885Sdumbbell } 428254885Sdumbbell spin_unlock(&sa_manager->wq.lock); 429254885Sdumbbell} 430254885Sdumbbell#endif 431