Messages in this thread | | | From | Sven Schnelle <> | Subject | Re: [PATCH v4 4/9] fprobe: rethook: Use ftrace_regs in fprobe exit handler and rethook | Date | Tue, 05 Sep 2023 09:17:02 +0200 |
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Masami Hiramatsu (Google) <mhiramat@kernel.org> writes:
> I found that this is not enough becuase s390/loongarch already implemented > their rethook, and as far as I can see, the s390 ftrace_regs does not save > the required registers for rethook. Thus, for such architecture, we need > another kconfig flag and keep using the pt_regs for rethook.
Looking into arch_rethook_trampoline() i think we save all required registers - which register do you think are missing? Or is there another function i should look at?
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