[PATCH v3 12/21] powerpc/mm: Convert early cpu/mmu feature check to use the new helpers

Nicholas Piggin npiggin at gmail.com
Thu Jul 28 17:49:31 AEST 2016

On Thu, 28 Jul 2016 00:18:08 +1000
Michael Ellerman <mpe at ellerman.id.au> wrote:

> From: "Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com>
> This switches early feature checks to use the non static key variant
> of the function. In later patches we will be switching
> cpu_has_feature() and mmu_has_feature() to use static keys and we can
> use them only after static key/jump label is initialized. Any check
> for feature before jump label init should be done using this new
> helper.

Can't convince you to call it *_has_feature_early()?

Any point to a WARN_ON_ONCE() in these guys that trips if they are
used after the jump labels are set up?


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