On Fri, May 29, 2020 at 10:28:33AM -0700, Andy Lutomirski wrote: > > +static __always_inline unsigned long local_db_save(void) > > +{ > > + unsigned long dr7; > > + > > + get_debugreg(&dr7, 7); > > + dr7 ^= 0x400; > > Why xor? This seems extra confusing.
I'll do the normal mask thing ..