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Re: [Xen-devel] [PATCH v3 4/9] livepatch: Sync cache of build-id before using it first time.



>>> On 14.08.16 at 23:52, <konrad.wilk@xxxxxxxxxx> wrote:
> We don't print at bootup time the build-id. The reason is
> that xen_build_init and livepatch_init are both __initcall
> type routines. This meant that when livepatch_init called
> xen_build_id, it would return -ENODATA as build_id_len was
> not setup yet (b/c xen_build_init would be called later).
> 
> We fix this by calling xen_build_init in livepatch_init which
> allows us to print the build-id of the hypervisor.
> 
> We also keep xen_build_init as __initcall because build-id
> can be built without livepatching being enabled (so
> no livepatch_init being called).

Now if the build ID is potentially useful outside of live patching,
shouldn't its logging also be done outside of livepatch code?

Jan


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