Re: [PATCH 2/2] livepatch: Allow loading modules on architectures without HAVE_RELIABLE_STACKTRACE

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On Fri 2017-12-08 18:25:23, Miroslav Benes wrote:
> Now that immediate feature was removed, it is not possible to load
> livepatch modules on architectures without HAVE_RELIABLE_STACKTRACE. Fix
> it by removing guilty check in klp_register_patch().
> 
> The architectures without HAVE_RELIABLE_STACKTRACE will now rely only on
> kernelspace/userspace boundary switching, the (fake) signal and force
> feature.

I do not thing that this is a good idea. It encourages people to use
the force feature. They might get used to it.

If people are going to provide livepatches, they should be capable
enough to provide a kernel where it is allowed. IMHO, the upstream
kernel should not support bad/dirty practices out of box.

Best Regards,
Petr
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