Messages in this thread | | | Date | Tue, 08 Aug 2017 14:54:33 -0700 (PDT) | Subject | Re: [RFC PATCH 2/2] bpf: Initialise mod[] in bpf_trace_printk | From | David Miller <> |
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From: James Hogan <james.hogan@imgtec.com> Date: Tue, 08 Aug 2017 22:20:05 +0100
> cool, i hadn't realised unmentioned elements in an initialiser are > always zeroed, even when non-global/static, so had interpreted the > whole array as uninitialised. learn something new every day :-) > sorry for the noise.
You didn't have to know in the first place, you could have simply compiled the code into assembler by running:
make kernel/trace/bpf_trace.s
and seen for yourself before putting all of this time and effort into this patch and discussion.
If you don't know what the compiler does, simply look!
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