Re: [RFC PATCH v4 0/2] arm64: Stack trace reliability checks in the unwinder

Madhavan T. Venkataraman
2021-05-21T17:49:54Z

On 5/21/21 12:47 PM, Mark Brown wrote:
> On Fri, May 21, 2021 at 12:32:52PM -0500, Madhavan T. Venkataraman wrote:
>
>> I have followed the example in the Kprobe deny list. I place the section
>> in initdata so it can be unloaded during boot. This means that I need to
>> copy the information before that in early_initcall().
>
>> If the initialization must be performed on first use, I probably have to
>> move SYM_CODE_FUNCTIONS from initdata to some other place where it will
>> be retained.
>
>> If you prefer this, I could do it this way.
>
> No, I think if people are fine with this for kprobes they should be fine
> with it here too and if not we can always incrementally improve
> performance - let's just keep things simple and easy to understand for
> now.
>

OK.

Madhavan