On 2/28/23 3:18 PM, Luis Chamberlain wrote:
On Tue, Feb 28, 2023 at 02:34:20PM -0500, Jason Baron wrote:
Hi,
Jim Cromie hit a BUG() while toggling jump label branches in a module
before they were properly initialized. This isn't currently an issue,
but will be as part of his pending classmap series. Seems like we
should covert to using module callback notifier for dynamic debug
anyways. First patch is just a cleanup.
Link: https://urldefense.com/v3/__https://lore.kernel.org/lkml/20230113193016.749791-21-jim.cromie@xxxxxxxxx/__;!!GjvTz_vk!RcYAOcwdnCTVPf9WgS4GmmVwClimlsK1BfnLrRh4Oxlf1fJeOfBHa7zgCXDFiV8gw3YCGIbcdiYG$
Thanks,
-Jason
v2:
-Fix: error: field 'dyndbg_info' has incomplete type
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Link: https://urldefense.com/v3/__https://lore.kernel.org/oe-kbuild-all/202302190427.9iIK2NfJ-lkp@xxxxxxxxx/__;!!GjvTz_vk!RcYAOcwdnCTVPf9WgS4GmmVwClimlsK1BfnLrRh4Oxlf1fJeOfBHa7zgCXDFiV8gw3YCGJKpcyr8$
-make ddebug_remove_module() static
Do you have tests to ensure no regressions have occurred? If so what
are they? If there are no tests, can you come up with some basic ones?
Luis
Hi Luis,
Yes, I've run the test case that prompted this series here:
https://lore.kernel.org/lkml/20230125203743.564009-20-jim.cromie@xxxxxxxxx/
Note that this is for new functionality that Jim is working on and he
plan to include this series when he re-posts his series. And thus I've
added Jim's Tested-by: in patches 1 and 2.
There is also a 'test_dynamic_debug' module which I've run as follows:
# modprobe test_dynamic_debug dyndbg
And confirmed the appropriate prints to the log. This exercises the code
paths that were changed here.
Thanks,
-Jason
