Hi Mark, On Thu, Oct 05, 2023 at 03:34:29PM +0100, Mark Brown wrote: > On Wed, Sep 27, 2023 at 03:01:18PM +0100, Joey Gouly wrote: > > Add PKEY support to signals, by saving and restoring POR_EL0 from the stackframe. > > It'd be nice to have at least a basic test that validates that we > generate a POE signal frame when expected, though that should be a very > minor thing which is unlikely to ever actually spot anything. > > I'd also expect to see matching support added to ptrace. The selftests/mm/protection_keys.c looks for the POE signal frame, do you think we need a separate test? I will look into ptrace. Thanks, Joey