Re: [PATCH v4 1/2] kernel.h: Introduce const_max() for VLA removal

From: Linus Torvalds
Date: Thu Mar 15 2018 - 19:47:04 EST


On Thu, Mar 15, 2018 at 4:41 PM, Kees Cook <keescook@xxxxxxxxxxxx> wrote:
>
> I much prefer explicit typing, but both you and Rasmus mentioned
> wanting the int/sizeof_t mixing.

Well, the explicit typing allows that mixing, in that you can just
have "const_max_t(5,sizeof(x))"

So I'm ok with that.

What I'm *not* so much ok with is "const_max(5,sizeof(x))" erroring
out, or silently causing insane behavior due to hidden subtle type
casts..

Linus