Messages in this thread |  | | | From | Rusty Russell <> | | Subject | Re: [PATCH] module: debugging check for runaway kthreads | | Date | Thu, 01 Mar 2012 12:06:54 +1030 |
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On Wed, 29 Feb 2012 19:21:13 +0400, Dmitry Antipov <dmitry.antipov@linaro.org> wrote: > Debugging option CONFIG_MODULE_KTHREAD_CHECK provides a way to check > whether all kernel threads created by the module and have used module > code as a thread worker function are really exited when the module is > unloaded. The following pseudo-code contains example of an error which > is likely to be catched with this debugging check:
Nice idea, but that's 101 lines of code, for very little gain.
How about a debug option which unmaps all module pages on removal, and ensures they don't get reused? That might catch a multitude of problems. And yes, I realize it might be a bigger patch...
Thanks, Rusty.
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