From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Kevin Brodsky <kevin.brodsky@arm.com>,
Randy Dunlap <rdunlap@infradead.org>,
Dave Hansen <dave.hansen@intel.com>,
linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
Yury Khrustalev <yury.khrustalev@arm.com>,
Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Lorenzo Stoakes <ljs@kernel.org>,
Vlastimil Babka <vbabka@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] docs: proc: document ProtectionKey in smaps
Date: Wed, 8 Apr 2026 09:54:05 +0200 [thread overview]
Message-ID: <aad23494-7729-468d-b4ea-2310d75b13a5@kernel.org> (raw)
In-Reply-To: <971a511a-f311-4e2f-8b10-85d11e07bb0a@arm.com>
On 4/8/26 09:50, Kevin Brodsky wrote:
> On 08/04/2026 09:39, David Hildenbrand (Arm) wrote:
>> On 4/8/26 09:15, Kevin Brodsky wrote:
>>> Of course that's also possible, "hardware" has to be interpreted in the
>>> context of virtualisation... But granted it is possible to hide features
>>> even on the host with the right kernel parameter, on arm64 at least.
>>>
>>> "If the kernel supports protection keys (pkeys) and the hardware feature
>>> is detected"? Still vague but a little more accurate.
>> Can we just talk about CPU support, to avoid using "system" or "hardware" ?
>
> I'm not sure how this addresses your concern with virtualisation though,
> unless "CPU" is understood as whatever CPU is virtualised? But then the
> same logic could apply to "hardware"...
>
> Either way, I'm really not all that picky about it, I don't mind: "If
> both the kernel and the CPU support protection keys"
LGTM
--
Cheers,
David
next prev parent reply other threads:[~2026-04-08 7:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-07 12:51 Kevin Brodsky
2026-04-07 13:00 ` Vlastimil Babka (SUSE)
2026-04-07 14:00 ` David Hildenbrand (Arm)
2026-04-07 14:33 ` Lorenzo Stoakes
2026-04-07 14:42 ` Dave Hansen
2026-04-07 15:12 ` Kevin Brodsky
2026-04-07 18:58 ` Randy Dunlap
2026-04-08 7:05 ` David Hildenbrand (Arm)
2026-04-08 7:15 ` Kevin Brodsky
2026-04-08 7:39 ` David Hildenbrand (Arm)
2026-04-08 7:50 ` Kevin Brodsky
2026-04-08 7:54 ` David Hildenbrand (Arm) [this message]
2026-04-08 7:06 ` Kevin Brodsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aad23494-7729-468d-b4ea-2310d75b13a5@kernel.org \
--to=david@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=corbet@lwn.net \
--cc=dave.hansen@intel.com \
--cc=dave.hansen@linux.intel.com \
--cc=kevin.brodsky@arm.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=ljs@kernel.org \
--cc=mark.rutland@arm.com \
--cc=rdunlap@infradead.org \
--cc=skhan@linuxfoundation.org \
--cc=vbabka@kernel.org \
--cc=yury.khrustalev@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox