On 8 Jan 2014 at 11:21, David Woodhouse wrote: > Clang's intrinsics ignore -mregparm=3 when they fall back to calling the > out-of-line implementations. Putting the args on the stack when memcpy() > expects them in registers is not a recipe for a happy kernel. > > This bites with -m32 too, so clang is presumably catastrophically > broken for the i386 kernel until this is fixed, unless I'm missing > something.
llvmlinux already carries my old patch (and some more) here: arch/i586/patches/0026-Add-own-versions-of-memcpy-and-memset-for-compilatio.patch (see also my comment on the clang PR) cheers, PaX Team -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
