On Thu, 2016-01-28 at 12:47 -0700, Jeffrey Merkey wrote: > This patch series adds an export which can be set by system debuggers to > direct the hard lockup and soft lockup detector to trigger a breakpoint > exception and enter a debugger if one is active. It is assumed that if > someone sets this variable, then an breakpoint handler of some sort will > be actively loaded or registered via the notify die handler chain. > > This addition is extremely useful for debugging hard and soft lockups > real time and quickly from a console debugger. > > Signed-off-by: Jeffrey Merkey <[email protected]> > ---
Acked-by: Mark Salter <[email protected]> > arch/c6x/include/asm/kdebug.h | 4 ++++ > 1 file changed, 4 insertions(+) > create mode 100644 arch/c6x/include/asm/kdebug.h > > diff --git a/arch/c6x/include/asm/kdebug.h b/arch/c6x/include/asm/kdebug.h > new file mode 100644 > index 0000000..5d09de1 > --- /dev/null > +++ b/arch/c6x/include/asm/kdebug.h > @@ -0,0 +1,4 @@ > + > +static inline void arch_breakpoint(void) > +{ > +}
