Mark Rutland <mark.rutl...@arm.com> writes: > On Thu, Mar 04, 2021 at 11:06:01AM -0800, Andy Lutomirski wrote: >> In principle, the generic entry code is generic, and the goal is to use it >> in many architectures once it settles down more. Move CONFIG_DEBUG_ENTRY >> to the generic config so that it can be used in the generic entry code and >> not just in arch/x86. >> >> Disable it on arm64. arm64 uses some but not all of the kentry >> code, and trying to debug the resulting state machine will be painful. >> arm64 can turn it back on when it starts using the entire generic >> path. > > Can we make this depend on CONFIG_GENERIC_ENTRY instead of !ARM64? > That'd be more in line with "use the generic entry code, get the generic > functionality". Note that arm64 doesn't select CONFIG_GENERIC_ENTRY > today. > > I see that s390 selects CONFIG_GENERIC_ENTRY, and either way this will > enable DEBUG_ENTRY for them, so it'd ve worth checking whether this is > ok for them. > > Sven, thoughts? >
For s390 that change should be fine.
