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Date: Thu, 11 Feb 2016 17:52:57 -0500 From: Mark Salter <msalter@...hat.com> To: Jeffrey Merkey <jeffmerkey@...il.com>, linux-kernel@...r.kernel.org Cc: a-jacquiot@...com, linux.mdb@...il.com, linux-c6x-dev@...ux-c6x.org Subject: Re: [PATCH 18/31] Add debugger entry points for C6X 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 <jeffmerkey@...il.com> > --- Acked-by: Mark Salter <msalter@...hat.com> > 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) > +{ > +}
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