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authorH. Peter Anvin <hpa@linux.intel.com>2010-10-11 17:05:11 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2010-10-11 17:05:11 -0700
commit8e4029ee3517084ae00fbfbcb51cc365d8857061 (patch)
tree3d86578dc6160781a0c2fdad461e5195e73bfafc /include/drm/ttm/ttm_bo_api.h
parentcd79481d27b9f90aad80c9b972292c42c25bbf8e (diff)
parent73cf624d029d776a33d0a80c695485b3f9b36231 (diff)
downloadop-kernel-dev-8e4029ee3517084ae00fbfbcb51cc365d8857061.zip
op-kernel-dev-8e4029ee3517084ae00fbfbcb51cc365d8857061.tar.gz
Merge branch 'x86/urgent' into core/memblock
Reason for merge: Forward-port urgent change to arch/x86/mm/srat_64.c to the memblock tree. Resolved Conflicts: arch/x86/mm/srat_64.c Originally-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'include/drm/ttm/ttm_bo_api.h')
-rw-r--r--include/drm/ttm/ttm_bo_api.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 267a86c..2040e6c 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -246,9 +246,11 @@ struct ttm_buffer_object {
atomic_t reserved;
-
/**
* Members protected by the bo::lock
+ * In addition, setting sync_obj to anything else
+ * than NULL requires bo::reserved to be held. This allows for
+ * checking NULL while reserved but not holding bo::lock.
*/
void *sync_obj_arg;
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