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Re: [PATCH v13 0/9] coresight: enable debug module

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On Mon, May 29, 2017 at 10:41:17AM -0600, Mathieu Poirier wrote:
> On 25 May 2017 at 09:57, Leo Yan <leo.yan@linaro.org> wrote:
> > ARMv8 architecture reference manual (ARM DDI 0487A.k) Chapter H7 "The
> > Sample-based Profiling Extension" has description for sampling
> > registers, we can utilize these registers to check program counter
> > value with combined CPU exception level, secure state, etc. So this is
> > helpful for CPU lockup bugs, e.g. if one CPU has run into infinite loop
> > with IRQ disabled; the 'hang' CPU cannot switch context and handle any
> > interrupt, so it cannot handle SMP call for stack dump, etc.
> >
> > This patch series is to enable coresight debug module with sample-based
> > registers and register call back notifier for PCSR register dumping
> > when panic happens, so we can see below dumping info for panic; and
> > this patch series has considered the conditions for access permission
> > for debug registers self, so this can avoid access debug registers when
> > CPU power domain is off; the driver also try to figure out the CPU is
> > in secure or non-secure state.
> 
> I have queued patches 1 to 7 to my tree.  I can't do anything about
> patches 8 and 9 because they haven't been ack'ed.  From here you can
> either chase them to get an ACK or send a separate patch to them
> directly.

Thanks a lot, Mathieu. I will ping Wei and Andy/David saperately.

> Thanks,
> Mathieu

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[PATCH v13 0/9] coresight: enable debug module Leo Yan <leo.yan@linaro.org> - 2017-05-25 18:00 +0200
  [PATCH v13 1/9] coresight: bindings for CPU debug module Leo Yan <leo.yan@linaro.org> - 2017-05-25 18:00 +0200
  [PATCH v13 5/9] coresight: of_get_coresight_platform_data: Add missing of_node_put Leo Yan <leo.yan@linaro.org> - 2017-05-25 18:10 +0200
  [PATCH v13 6/9] coresight: refactor with function of_coresight_get_cpu Leo Yan <leo.yan@linaro.org> - 2017-05-25 18:10 +0200
  [PATCH v13 3/9] doc: Add coresight_cpu_debug.enable to kernel-parameters.txt Leo Yan <leo.yan@linaro.org> - 2017-05-25 18:10 +0200
  [PATCH v13 8/9] arm64: dts: hi6220: register debug module Leo Yan <leo.yan@linaro.org> - 2017-05-25 18:10 +0200
    Re: [PATCH v13 8/9] arm64: dts: hi6220: register debug module Leo Yan <leo.yan@linaro.org> - 2017-05-30 12:50 +0200
    Re: [PATCH v13 8/9] arm64: dts: hi6220: register debug module Wei Xu <xuwei5@hisilicon.com> - 2017-06-05 10:40 +0200
      Re: [PATCH v13 8/9] arm64: dts: hi6220: register debug module Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-06-05 16:20 +0200
        Re: [PATCH v13 8/9] arm64: dts: hi6220: register debug module Wei Xu <xuwei5@hisilicon.com> - 2017-06-05 17:10 +0200
  [PATCH v13 2/9] doc: Add documentation for Coresight CPU debug Leo Yan <leo.yan@linaro.org> - 2017-05-25 18:10 +0200
  [PATCH v13 4/9] MAINTAINERS: update file entries for Coresight subsystem Leo Yan <leo.yan@linaro.org> - 2017-05-25 18:10 +0200
  [PATCH v13 7/9] coresight: add support for CPU debug module Leo Yan <leo.yan@linaro.org> - 2017-05-25 18:10 +0200
  Re: [PATCH v13 0/9] coresight: enable debug module Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-05-29 18:50 +0200
    Re: [PATCH v13 0/9] coresight: enable debug module Leo Yan <leo.yan@linaro.org> - 2017-05-30 10:30 +0200

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