On Tue, Oct 16, 2018 at 8:35 AM Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote: > > Quoting Jani Nikula (2018-10-16 05:29:38) > > Clang build with UBSAN enabled leads to the following build error: I'm overjoyed that you're testing this configuration! If you find more bugs, we're happy to help triage if you let us know about them here: https://github.com/ClangBuiltLinux/linux/issues. > > > > drivers/gpu/drm/i915/intel_engine_cs.o: In function `intel_engine_init_execlist': > > drivers/gpu/drm/i915/intel_engine_cs.c:411: undefined reference to `__compiletime_assert_411' > > > > Again, for this to work the code would first need to be inlined and then > > constant folded, which doesn't work for Clang because semantic analysis > > happens before optimization/inlining. Yep. > > > > Use GEM_BUG_ON() instead of BUILD_BUG_ON(). > > > > v2: Use is_power_of_2() from log2.h (Chris) > > > > References: http://mid.mail-archive.com/20181015203410.155997-1-swboyd@xxxxxxxxxxxx > > Reported-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> > > Tested-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> -- Thanks, ~Nick Desaulniers _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
