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Re: [PATCH V8 08/10] ras: acpi / apei: generate trace event for unrecognized CPER section

From "Baicar, Tyler" <tbaicar@codeaurora.org>
Newsgroups linux.kernel
Subject Re: [PATCH V8 08/10] ras: acpi / apei: generate trace event for unrecognized CPER section
Date 2017-02-15 18:10 +0100
Message-ID <tbbfA-2La-11@gated-at.bofh.it> (permalink)
References <t66Jz-iP-5@gated-at.bofh.it> <t66JA-iP-27@gated-at.bofh.it> <tba9Q-1T0-7@gated-at.bofh.it> <tbb5U-2sv-23@gated-at.bofh.it> <tbbfA-2La-13@gated-at.bofh.it>
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On 2/15/2017 10:03 AM, Steven Rostedt wrote:
> On Wed, 15 Feb 2017 09:54:09 -0700
> "Baicar, Tyler" <tbaicar@codeaurora.org> wrote:
> \
>> In v9 I currently have this and the ARM trace event from this series
>> both wrapped in an
>> ifdef verifying that CONFIG_RAS is enabled. This resolves the kbuild
>> failures and
>> will have this code compiled out when that config isn't enabled. Do you
>> think I
>> should use the ifdef or use these *_enabled() functions?
>>
> I believe you need both. The *_enabled() functions wont prevent build
> errors. But since tracing is seldom enabled (usually only when you want
> to see what's happening), the *_enabled() functions optimize the code
> to not perform tasks that are only needed when tracing is enabled. When
> I say "enabled" I mean actively tracing, as supposed to being just
> enabled in the kernel.
>
> -- Steve
Got it, I will add both!

Thanks,
Tyler

-- 
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project.

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Thread

Re: [PATCH V8 08/10] ras: acpi / apei: generate trace event for  unrecognized CPER section Steven Rostedt <rostedt@goodmis.org> - 2017-02-15 17:00 +0100
  Re: [PATCH V8 08/10] ras: acpi / apei: generate trace event for  unrecognized CPER section "Baicar, Tyler" <tbaicar@codeaurora.org> - 2017-02-15 18:00 +0100
    Re: [PATCH V8 08/10] ras: acpi / apei: generate trace event for  unrecognized CPER section "Baicar, Tyler" <tbaicar@codeaurora.org> - 2017-02-15 18:10 +0100
    Re: [PATCH V8 08/10] ras: acpi / apei: generate trace event for  unrecognized CPER section Steven Rostedt <rostedt@goodmis.org> - 2017-02-15 18:10 +0100

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