On Mon, 17 Jan 2022 10:06:39 +, Christophe Leroy wrote:
> The book3s/32 MMU doesn't support per page execution protection and
> doesn't support RO protection for kernel pages.
>
> However, on the 603 which implements software loaded TLBs, execution
> protection is honored by the TLB Miss handl
The book3s/32 MMU doesn't support per page execution protection and
doesn't support RO protection for kernel pages.
However, on the 603 which implements software loaded TLBs, execution
protection is honored by the TLB Miss handler which doesn't load
Instruction TLB for non executable pages. And RO