Peter Zijlstra <pet...@infradead.org> writes:
>> > +static __always_inline void debug_enter(unsigned long *dr6, unsigned long
>> > *dr7)
>> > +{
>> > + /*
>> > + * Disable breakpoints during exception handling; recursive exceptions
>> > + * are exceedingly 'fun'.
>> > + *
>> > + * Since this function is NOKPROBE, and that also applies to
>> > + * HW_BREAKPOINT_X, we can't hit a breakpoint before this (XXX except a
>> > + * HW_BREAKPOINT_W on our stack)
>> > + *
>> > + * Entry text is excluded for HW_BP_X and cpu_entry_area, which
>> > + * includes the entry stack is excluded for everything.
>> > + */
>> > + get_debugreg(*dr7, 6);
>>
>> Do you mean get_debugreg(*dr7, 7); ?
>
> Shees, I have to go buy a new stack of brown paper bags at this rate,
> don't I :/
Not only you, but it's also amazing that the selftests didn't catch
that.
