Re: [RFC PATCH v5 2/2] arm64: Create a list of SYM_CODE functions, check return PC against list

[Mark Brown]

On Wed, May 26, 2021 at 04:49:17PM -0500, madvenka@xxxxxxxxxxxxxxxxxxx wrote:

> + *	- return_to_handler() is handled by the unwinder by attempting to
> + *	  retrieve the original return address from the per-task return
> + *	  address stack.
> + *
> + *	- kretprobe_trampoline() can be handled in a similar fashion by
> + *	  attempting to retrieve the original return address from the per-task
> + *	  kretprobe instance list.
> + *
> + *	- I reckon optprobes can be handled in a similar fashion in the future?

Note that there's a patch for optprobes on the list now:

   https://lore.kernel.org/r/1622803839-27354-1-git-send-email-liuqi115@xxxxxxxxxx

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