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

On Thu, Oct 17, 2024 at 2:55 PM Linus Walleij linus.walleij@linaro.org wrote:

On Thu, Oct 17, 2024 at 12:20 PM Clement LE GOFFIC clement.legoffic@foss.st.com 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.

I think I meant the canonical version.. anglo-saxon is sometimes not my strong card.

Yours, Linus Walleij