http://bugzilla.kernel.org/show_bug.cgi?id=15328
--- Comment #8 from Jérôme Glisse <gli...@freedesktop.org> 2010-02-18 17:02:45 --- Ok so it's more likely because on non PAT get_page_memtype always return -1 thus we always do set_wb and if page were already wb it likely kill perf. I don't think we ever do WC -> UC or UC -> WC. -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel