Date: Thu, 15 Mar 2018 16:46:57 -0700 From: Linus Torvalds <torvalds@...ux-foundation.org> To: Kees Cook <keescook@...omium.org> Cc: Andrew Morton <akpm@...ux-foundation.org>, Josh Poimboeuf <jpoimboe@...hat.com>, Rasmus Villemoes <linux@...musvillemoes.dk>, Randy Dunlap <rdunlap@...radead.org>, Miguel Ojeda <miguel.ojeda.sandonis@...il.com>, Ingo Molnar <mingo@...nel.org>, David Laight <David.Laight@...lab.com>, Ian Abbott <abbotti@....co.uk>, linux-input <linux-input@...r.kernel.org>, linux-btrfs <linux-btrfs@...r.kernel.org>, Network Development <netdev@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Kernel Hardening <kernel-hardening@...ts.openwall.com> Subject: Re: [PATCH v4 1/2] kernel.h: Introduce const_max() for VLA removal On Thu, Mar 15, 2018 at 4:41 PM, Kees Cook <keescook@...omium.org> 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
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