On Fri, 22 Apr 2022 13:29:12 -0700, Peter Collingbourne wrote: > When booting the kernel we access system registers such as GCR_EL1 > if MTE is supported. These accesses are defined to trap to EL3 if > SCR_EL3.ATA is disabled. Furthermore, tag accesses will not behave > as expected if SCR_EL3.ATA is not set, or if HCR_EL2.ATA is not set > and we were booted at EL1. Therefore, require that these bits are > enabled when appropriate. > > [...] Applied to arm64 (for-next/misc), thanks! [1/1] arm64: document the boot requirements for MTE https://git.kernel.org/arm64/c/b6ba1a89f73f -- Catalin