[RESEND PATCH v2 1/2] ftrace: disable preemption between ftrace_test_recursion_trylock/unlock()

王贇 yun.wang at linux.alibaba.com
Wed Oct 13 19:34:53 AEDT 2021



On 2021/10/13 下午4:25, Miroslav Benes wrote:
>>> Side note... the comment will eventually conflict with peterz's 
>>> https://lore.kernel.org/all/20210929152429.125997206@infradead.org/.
>>
>> Steven, would you like to share your opinion on this patch?
>>
>> If klp_synchronize_transition() will be removed anyway, the comments
>> will be meaningless and we can just drop it :-P
> 
> The comment will still be needed in some form. We will handle it depending 
> on what gets merged first. peterz's patches are not ready yet.

Ok, then I'll move it before trylock() inside klp_ftrace_handler() anyway.

Regards,
Michael Wang

> 
> Miroslav
> 


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