Re: [PATCH v2 2/2] ARM: entry: Do a dummy read from VMAP shadow

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Thu, Oct 17, 2024 at 12:20 PM Clement LE GOFFIC
<clement.legoffic@xxxxxxxxxxx> wrote:

> > +     add     r2, ip, lsr #KASAN_SHADOW_SCALE_SHIFT
(...)
> While ARM TRM says that if Rd is the same of Rn then it can be omitted,
> such syntax causes error on my build.
> Looking around for such syntax in the kernel, this line should be :
> add     r2, r2, ip, lsr #KASAN_SHADOW_SCALE_SHIFT

Yeah clearly my compilers allowed it :/

I changed it to the archaic version, will repost as v3.

Please test at your convenience!

Yours,
Linus Walleij