From: Kevin Brodsky <kevin.brodsky@arm.com>
To: Mark Brown <broonie@kernel.org>
Cc: linux-hardening@vger.kernel.org,
"Andrew Morton" <akpm@linux-foundation.org>,
"Ard Biesheuvel" <ardb+git@google.com>,
"Andy Lutomirski" <luto@kernel.org>,
"Catalin Marinas" <catalin.marinas@arm.com>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"David Hildenbrand (Arm)" <david@kernel.org>,
"Jann Horn" <jannh@google.com>, "Jeff Xu" <jeffxu@chromium.org>,
"Joey Gouly" <joey.gouly@arm.com>, "Kees Cook" <kees@kernel.org>,
"Linu Cherian" <linu.cherian@arm.com>,
"Linus Walleij" <linusw@kernel.org>,
"Marc Zyngier" <maz@kernel.org>,
"Matthew Wilcox" <willy@infradead.org>,
"Maxwell Bland" <mbland@motorola.com>,
"Mike Rapoport (IBM)" <rppt@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Pierre Langlois" <pierre.langlois@arm.com>,
"Pierre-Clément Tosi" <ptosi@google.com>,
"Quentin Perret" <qperret@google.com>,
"Rick Edgecombe" <rick.p.edgecombe@intel.com>,
"Ryan Roberts" <ryan.roberts@arm.com>,
"Vlastimil Babka" <vbabka@kernel.org>,
"Will Deacon" <will@kernel.org>,
"Yang Shi" <yang@os.amperecomputing.com>,
"Yeoreum Yun" <yeoreum.yun@arm.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
x86@kernel.org, "Ira Weiny" <iweiny@kernel.org>,
"Lorenzo Stoakes" <ljs@kernel.org>,
"Thomas Gleixner" <tglx@kernel.org>
Subject: Re: [PATCH RFC v10 22/22] mm: Add basic tests for kpkeys_hardened_pgtables
Date: Wed, 11 Nov 2026 16:29:02 +0100 [thread overview]
Message-ID: <0b29393f-bb84-4df1-a699-f7afcb50f2e8@arm.com> (raw)
In-Reply-To: <717cccfe-81d6-4e09-a466-5361ae27776f@sirena.org.uk>
On 10/11/2026 12:24, Mark Brown wrote:
> On Tue, Nov 10, 2026 at 10:01:36AM +0100, Kevin Brodsky wrote:
>
>> Do you mean adding the dependency KPKEYS_HARDENED_PGTABLES=y to
>> tools/testing/kunit/configs/all_tests.config? Indeed that would only be
>> meaningful on arm64 (for now). That said it wouldn't hurt other
>> architectures, so happy to add it there if you think that's worth it.
> Yes, or something like that - unfortunately KUnit checks to see if the
> config options appear in the configuration so something that vanishes on
> other architectures causes issues.
Alright, I guess there's not much we can do then, short of creating
arch-specific fragments.
> Perhaps the default for the config
> option ought to depend on KUNIT_ALL_TESTS?
Not sure I'm following, the config already has default KUNIT_ALL_TESTS?
- Kevin
prev parent reply other threads:[~2026-11-11 15:29 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-09 15:58 [PATCH RFC v10 00/22] pkeys-based page table hardening Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 01/22] mm: Introduce kpkeys Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 02/22] set_memory: Introduce set_direct_map_pkey() stub Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 03/22] arm64: Introduce por_elx_set_pkey_perms() helper Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 04/22] arm64: Implement asm/kpkeys.h using POE Kevin Brodsky
2026-11-10 14:19 ` Mark Brown
2026-11-11 10:26 ` Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 05/22] arm64: set_memory: Implement set_direct_map_pkey() Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 06/22] arm64: Disable EL2 trapping of POR_EL1 Kevin Brodsky
2026-11-10 15:29 ` Mark Brown
2026-11-11 15:22 ` Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 07/22] arm64: Initialize POR_EL1 register on cpu_resume() Kevin Brodsky
2026-11-10 15:53 ` Mark Brown
2026-11-10 16:36 ` Yeoreum Yun
2026-11-09 15:58 ` [PATCH RFC v10 08/22] arm64: Context-switch POR_EL1 Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 09/22] arm64: mm: Enable overlays for all EL1 indirect permissions Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 10/22] arm64: Enable kpkeys Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 11/22] mm: kpkeys: Introduce kpkeys_hardened_pgtables feature Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 12/22] mm: kpkeys: Protect regular page tables Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 13/22] mm: kpkeys: Protect early kernel " Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 14/22] mm: kpkeys: Protect vmemmap " Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 15/22] arm64: kpkeys: Implement arch_supports_kpkeys_early() Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 16/22] arm64: kpkeys: Support KPKEYS_CTX_PGTABLES Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 17/22] arm64: kpkeys: Ensure the linear map can be modified Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 18/22] arm64: kpkeys: Guard page table writes Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 19/22] arm64: kpkeys: Batch KPKEYS_CTX_PGTABLES switches Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 20/22] arm64: kpkeys: Enable kpkeys_hardened_pgtables support Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 21/22] arm64: mm: Map kernel image alias of init_pg_dir read-only Kevin Brodsky
2026-11-09 15:58 ` [PATCH RFC v10 22/22] mm: Add basic tests for kpkeys_hardened_pgtables Kevin Brodsky
2026-11-09 19:28 ` Mark Brown
2026-11-10 9:01 ` Kevin Brodsky
2026-11-10 11:24 ` Mark Brown
2026-11-11 15:29 ` Kevin Brodsky [this message]
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=0b29393f-bb84-4df1-a699-f7afcb50f2e8@arm.com \
--to=kevin.brodsky@arm.com \
--cc=akpm@linux-foundation.org \
--cc=ardb+git@google.com \
--cc=broonie@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=dave.hansen@linux.intel.com \
--cc=david@kernel.org \
--cc=iweiny@kernel.org \
--cc=jannh@google.com \
--cc=jeffxu@chromium.org \
--cc=joey.gouly@arm.com \
--cc=kees@kernel.org \
--cc=linu.cherian@arm.com \
--cc=linusw@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-hardening@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=ljs@kernel.org \
--cc=luto@kernel.org \
--cc=maz@kernel.org \
--cc=mbland@motorola.com \
--cc=peterz@infradead.org \
--cc=pierre.langlois@arm.com \
--cc=ptosi@google.com \
--cc=qperret@google.com \
--cc=rick.p.edgecombe@intel.com \
--cc=rppt@kernel.org \
--cc=ryan.roberts@arm.com \
--cc=tglx@kernel.org \
--cc=vbabka@kernel.org \
--cc=will@kernel.org \
--cc=willy@infradead.org \
--cc=x86@kernel.org \
--cc=yang@os.amperecomputing.com \
--cc=yeoreum.yun@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
all inboxes | Powered by JetHome®