[PATCH] selftests/mm: Define PKEY_UNRESTRICTED for pkey_sighandler_tests

[Shuah Khan]

On 11/7/24 11:00, Catalin Marinas wrote:
> On Thu, Nov 07, 2024 at 09:50:20AM -0700, Shuah Khan wrote:
>> On 11/7/24 06:16, Kevin Brodsky wrote:
>>> Commit 6e182dc9f268 ("selftests/mm: Use generic pkey register
>>> manipulation") makes use of PKEY_UNRESTRICTED in
>>> pkey_sighandler_tests. The macro has been proposed for addition to
>>> uapi headers [1], but the patch hasn't landed yet.
>>>
>>> Define PKEY_UNRESTRICTED in pkey-helpers.h for the time being to fix
>>> the build.
>>
>> What does mean to say "time being" - can this be removed in the
>> future. If so please add a FIXME so this define can be removed
>> later.
> 
> There's a dependency on this series:
> 
> https://lore.kernel.org/r/20241028090715.509527-2-yury.khrustalev@arm.com/
> 
> Which I did not notice. Typically the uapi patches are picked by Arnd
> but first that series needs to be reposted with the comments addressed.
> 
> I think for now we either merge this fix from Kevin (happy to add a
> FIXME comment when applying), change the kselftest to use 0 instead of
> PKEY_UNRESTRICTED or revert the top two patches here:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/log/?h=for-next/pkey-signal
> 
> I'm fine with all options really, it's not essential that we get the
> kselftest patches above merged in 6.13.
> 

I am good with taking this patch as is with a FIXME to cleanup
later.

thanks,
-- Shuah