Messages in this thread | | | Subject | Re: [RFC PATCH v5 2/2] arm64: Create a list of SYM_CODE functions, check return PC against list | From | "Madhavan T. Venkataraman" <> | Date | Fri, 4 Jun 2021 15:40:45 -0500 |
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On 6/4/21 11:59 AM, Mark Brown wrote: > On Wed, May 26, 2021 at 04:49:17PM -0500, madvenka@linux.microsoft.com 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@huawei.com
Yes. I saw that.
Madhavan
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