On ma, 2017-01-30 at 13:15 +0000, Chris Wilson wrote: > > if (base == 0 || range_overflows(base, ggtt->stolen_size, U64_MAX /* > DMA_ADDR_MAX */)) > > Bleh. > > #define add_overflows(A, B) __builtin_add_overflow_p((A), (B), (typeof((A) + > (B)))0) > > if (base == 0 || add_overflows(base, ggtt->stolen_size))
Looks good. Regards, Joonas -- Joonas Lahtinen Open Source Technology Center Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
