Eric Anholt <e...@anholt.net> writes: > Here's hopefully the final attempt at the lock ordering fix for GEM. The > problem was introduced in .29 with the GTT mapping support. We hashed out > a few potential fixes on the mailing list and at OSTS. Peter's plan was > to use get_user_pages, but it has significant CPU overhead (10% cost to text > rendering, though part of that is due to some dumb userland code. But it's > dumb userland code we're all running).
You are aware that there is a fast path now (get_user_pages_fast) which is significantly faster? (but has some limitations) -Andi -- a...@linux.intel.com -- Speaking for myself only. ------------------------------------------------------------------------------ -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
