Re: [PATCH v5 6/9] coresight: add support for CPU debug module

From	Leo Yan <leo.yan@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v5 6/9] coresight: add support for CPU debug module
Date	2017-03-30 16:00 +0200
Message-ID	<tqIMh-780-5@gated-at.bofh.it> (permalink)
References	(2 earlier) <tq2Dn-22K-11@gated-at.bofh.it> <tqb3Y-8bm-17@gated-at.bofh.it> <tqneO-8iT-15@gated-at.bofh.it> <tqwL7-6Wk-3@gated-at.bofh.it> <tqEfD-451-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Thu, Mar 30, 2017 at 10:00:30AM +0100, Suzuki K Poulose wrote:

[...]

> Leo,
> 
> Also, it would be good to restore the PRCR register back to the original state
> after we read the registers (if we changed them). I am exploring ways to make
> use of this feature on demand (e.g, tie it to sysrq-t or sysrq-l) and not just
> at panic time. So it would be good to have the state restored to not affect the
> normal functioning even after dumping the registers.

Got it. Will take care for this.

Thanks,
Leo Yan

> PS: I have a small hack to hook this into a sysrq-x at runtime, but on a second thought
> it is better not to consume the key and rather tie it to something which already exist,
> as mentioned above.
> 
> Thanks
> Suzuki

Thread

Re: [PATCH v5 6/9] coresight: add support for CPU debug module Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-03-28 19:00 +0200
  Re: [PATCH v5 6/9] coresight: add support for CPU debug module Leo Yan <leo.yan@linaro.org> - 2017-03-29 04:00 +0200
    Re: [PATCH v5 6/9] coresight: add support for CPU debug module Mike Leach <mike.leach@linaro.org> - 2017-03-29 17:00 +0200
      Re: [PATCH v5 6/9] coresight: add support for CPU debug module Leo Yan <leo.yan@linaro.org> - 2017-03-30 03:10 +0200
        Re: [PATCH v5 6/9] coresight: add support for CPU debug module Suzuki K Poulose <Suzuki.Poulose@arm.com> - 2017-03-30 11:10 +0200
          Re: [PATCH v5 6/9] coresight: add support for CPU debug module Leo Yan <leo.yan@linaro.org> - 2017-03-30 16:00 +0200
      Re: [PATCH v5 6/9] coresight: add support for CPU debug module Sudeep Holla <sudeep.holla@arm.com> - 2017-03-30 18:00 +0200
    Re: [PATCH v5 6/9] coresight: add support for CPU debug module Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-03-29 19:00 +0200
      Re: [PATCH v5 6/9] coresight: add support for CPU debug module Leo Yan <leo.yan@linaro.org> - 2017-03-30 04:10 +0200
        Re: [PATCH v5 6/9] coresight: add support for CPU debug module Mathieu Poirier <mathieu.poirier@linaro.org> - 2017-03-30 17:50 +0200
          Re: [PATCH v5 6/9] coresight: add support for CPU debug module Sudeep Holla <sudeep.holla@arm.com> - 2017-03-30 18:10 +0200

csiph-web