Re: [PATCH 1/3] dmatest: make module parameters writable

From: Dan Williams
Date: Fri Aug 02 2013 - 14:03:47 EST




On 8/2/13 10:56 AM, "Steven Rostedt" <rostedt@xxxxxxxxxxx> wrote:

>On Fri, 2013-08-02 at 17:49 +0000, Dan Williams wrote:
>
>> However, unless I missed it, I don¹t see this support[1] upstream yet.
>>
>>
>> --
>> Dan
>>
>> [1]: https://lwn.net/Articles/432186/
>
>IIRC, there was some push back from doing this. I don't really remember
>who? Rusty maybe?
>
>Or maybe not, it seems he had some comments on it in that thread:
>
>http://thread.gmane.org/gmane.linux.kernel/1110481
>
>Perhaps I got busy and dropped it :-/
>
>Anyway, if there's a demand for it, we can always revisit the idea.

Dmatest has infrastructure to collect a list of test result messages and
output them on-demand when reading a debugfs file. I figure we might as
well trace them but would want to enable the tracepoints when the module
is loaded.

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