On Sat, Sep 12, 2020 at 04:08:16AM -0700, Kees Cook wrote: > Instead of special-casing the specific case of shared registers, create > a default SYSCALL_RET_SET() macro (mirroring SYSCALL_NUM_SET()), that > writes to the SYSCALL_RET register. For architectures that can't set the > return value (for whatever reason), they can define SYSCALL_RET_SET() > without an associated SYSCALL_RET() macro. This also paves the way for > architectures that need to do special things to set the return value > (e.g. powerpc). > > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> > --- Looks good! Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
