From: Mark Brown <broonie@kernel.org>
To: Kevin Brodsky <kevin.brodsky@arm.com>
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: Mon, 9 Nov 2026 19:28:14 +0000 [thread overview]
Message-ID: <2d13fbb7-b5b4-446e-8709-5b43349ff19a@sirena.org.uk> (raw)
In-Reply-To: <20261109-kpkeys-v10-22-aa6c4d9603bc@arm.com>
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On Mon, Nov 09, 2026 at 03:58:47PM +0000, Kevin Brodsky wrote:
> ---
> mm/Makefile | 1 +
> mm/tests/kpkeys_hardened_pgtables_kunit.c | 200 ++++++++++++++++++++++++++++++
> security/Kconfig.hardening | 12 ++
> 3 files changed, 213 insertions(+)
> +config KPKEYS_HARDENED_PGTABLES_KUNIT_TEST
> + bool "KUnit tests for kpkeys_hardened_pgtables" if !KUNIT_ALL_TESTS
> + depends on KPKEYS_HARDENED_PGTABLES
> + depends on KUNIT=y
> + default KUNIT_ALL_TESTS
I'd also expect to see this added to one of the KUnit config fragments
somewhere so it gets run as standard, though that's a little awkward
given that KPKEYS_HARDENED_PGTABLES isn't universally available.
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prev parent reply other threads:[~2026-11-09 19:28 UTC|newest]
Thread overview: 24+ 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
2026-11-09 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
2026-11-09 15:58 ` [PATCH RFC v10 07/22] arm64: Initialize POR_EL1 register on cpu_resume() Kevin Brodsky
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 [this message]
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