V4 [PATCH 04/12] x86/CET: Extend arch_prctl syscall for CET control

[H.J. Lu]

On Tue, Jul 24, 2018 at 8:56 AM, Joseph Myers <joseph@codesourcery.com> wrote:
> On Tue, 24 Jul 2018, H.J. Lu wrote:
>
>> CET arch_prctl bits should be defined in <asm/prctl.h> from Linux kernel
>> header files.   Here is the updated patch to add x86 <include/asm/prctl.h>.
>>
>> OK for master?
>
> I don't think the relevant condition for removing such a wrapper is "after
> the CET kernel interface has been committed into the public kernel".  It's
> after we require kernel headers recent enough to have that interface,
> which may well be several years away.  Once the interface has been
> committed into the public kernel, the wrapper should be updated to name
> the kernel version that has it and to say it should be removed once we
> require kernel headers at least that recent.

Like this?


-- 
H.J.
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