Re: [PATCH 29/34] x86: separate out LDT init from context init
From: Thomas Gleixner
Date: Tue Dec 08 2015 - 13:46:49 EST
On Thu, 3 Dec 2015, Dave Hansen wrote:
> The arch-specific mm_context_t is a great place to put
> protection-key allocation state.
>
> But, we need to initialize the allocation state because pkey 0 is
> always "allocated". All of the runtime initialization of
> mm_context_t is done in *_ldt() manipulation functions. This
> renames the existing LDT functions like this:
>
> init_new_context() -> init_new_context_ldt()
> destroy_context() -> destroy_context_ldt()
>
> and makes init_new_context() and destroy_context() available for
> generic use.
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
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