[RFC PATCH v2 13/26] KVM: arm64: Enable access to sanitized CPU features at EL2

Marc Zyngier maz at kernel.org
Wed Jan 13 12:27:49 EST 2021


On 2021-01-13 14:35, Quentin Perret wrote:
> On Wednesday 13 Jan 2021 at 14:23:03 (+0000), Quentin Perret wrote:
>> Good point, that would be nice indeed. Can I use that from outside an
>> __init function?
> 
> Just gave it a go, and the answer to this appears to be yes,
> surprisingly -- I was expecting a compile-time warning similar to what
> we get when non-__init code calls into __init, but that doesn't seem to
> trigger here. Anyways, I'll add the annotation in v3.

That's surprising. I'd definitely expect something to explode...
Do you have CONFIG_DEBUG_SECTION_MISMATCH=y?

         M.
-- 
Jazz is not dead. It just smells funny...



More information about the linux-arm-kernel mailing list