Re: [PATCH v2 11/14] powerpc/64s: Clear/restore caller gprs in syscall interrupt/return
From: Christophe Leroy <hidden>
Date: 2022-08-11 15:41:07
Le 11/08/2022 à 17:13, Segher Boessenkool a écrit :
Hi! On Mon, Jul 25, 2022 at 04:31:11PM +1000, Rohan McLure wrote:quoted
+ /* + * Zero user registers to prevent influencing speculative execution + * state of kernel code. + */ + NULLIFY_GPRS(5, 12) + NULLIFY_NVGPRS()"Nullify" means "invalidate", which is not what this does or is for :-(
Would "Zeroise" be more appropriate ? Christophe