On Wed, Mar 03, 2021 at 04:45:05PM +0000, Marc Zyngier wrote: > It recently became apparent that the ARMv8 architecture has interesting > rules regarding attributes being used when fetching instructions > if the MMU is off at Stage-1. > > In this situation, the CPU is allowed to fetch from the PoC and > allocate into the I-cache (unless the memory is mapped with > the XN attribute at Stage-2). Digging through the ARM ARM is hard. Do we have this behaviour with FWB as well? -- Catalin
