On Mon, Nov 5, 2018 at 11:11 PM Matthew Wilcox <[email protected]> wrote: > When testing in userspace, UBSAN pointed out that shifting into the sign > bit is undefined behaviour. It doesn't really make sense to ask for the > highest set bit of a negative value, so just turn the argument type into > an unsigned int. > > Some architectures (eg ppc) already had it declared as an unsigned int, > so I don't expect too many problems. > > Signed-off-by: Matthew Wilcox <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected] In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
