Re: [PATCH 14/17] crypto: Don't mark AES tables const and cacheline_aligned

[Andi Kleen]

On Tue, Mar 26, 2019 at 09:42:13AM +0100, Rasmus Villemoes wrote:
> On 21/03/2019 23.00, Andi Kleen wrote:
> > From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> > 
> > cacheline_aligned is a special section. It cannot be const at the same
> > time because it's not read-only. It doesn't give any MMU protection.
> 
> Urgh. Perhaps this instead just wanted to use the quadruple underscore
> version, ____cacheline_aligned ? That would make these objects correctly
> aligned and still live in .rodata, no?

Yes that seems to be the right fix.

.rodata is 4K aligned, so it supports 64 bytes too.

-Andi