Messages in this thread | | | Date | Fri, 26 Feb 2010 00:58:24 +0100 | From | Frederic Weisbecker <> | Subject | Re: [PATCH 3/8] x86,kgdb: Implement early hardware breakpoint debugging |
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On Thu, Feb 25, 2010 at 03:22:01PM -0600, Jason Wessel wrote: > It is not possible to use the hw_breakpoint.c API prior to mm_init(), > but it is possible to use hardware breakpoints with the kernel > debugger. > > Prior to smp_init() it is possible to simply write to the dr registers > of the boot cpu directly. This can be used up until the > kgdb_arch_late() is invoked, at which point the standard hw_breakpoint.c > API will get used. > > CC: Frederic Weisbecker <fweisbec@gmail.com> > CC: Ingo Molnar <mingo@elte.hu> > Signed-off-by: Jason Wessel <jason.wessel@windriver.com> > ---
That looks good to me at a quick glance.
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