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 for <linuxppc-dev@lists.ozlabs.org>; Thu, 10 May 2018 01:46:11 +1000 (AEST)
Subject: Re: [PATCH v3] powerpc, pkey: make protection key 0 less special
To: =?UTF-8?Q?Michal_Such=c3=a1nek?= <msuchanek@suse.de>,
 Ram Pai <linuxram@us.ibm.com>
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From: Dave Hansen <dave.hansen@intel.com>
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Date: Wed, 9 May 2018 08:46:08 -0700
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On 05/09/2018 08:43 AM, Michal Suchánek wrote:
> It seems it is somehow assumed this is key 0 but I did not find it
> documented anywhere nor did I notice an interface for determining the
> default key.

Does the manpage not count as documentation?  :)

"pkey 0 is used as the default key"

https://manpages.debian.org/stretch/manpages/pkeys.7.en.html