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 ..