From: Catalin Marinas <catalin.marinas@arm.com>
To: Maciej Wieczor-Retman <maciej.wieczor-retman@intel.com>
Cc: sohil.mehta@intel.com, baohua@kernel.org, david@redhat.com,
kbingham@kernel.org, weixugc@google.com, Liam.Howlett@oracle.com,
alexandre.chartre@oracle.com, kas@kernel.org,
mark.rutland@arm.com, trintaeoitogc@gmail.com,
axelrasmussen@google.com, yuanchu@google.com, joey.gouly@arm.com,
samitolvanen@google.com, joel.granados@kernel.org,
graf@amazon.com, vincenzo.frascino@arm.com, kees@kernel.org,
ardb@kernel.org, thiago.bauermann@linaro.org, glider@google.com,
thuth@redhat.com, kuan-ying.lee@canonical.com,
pasha.tatashin@soleen.com, nick.desaulniers+lkml@gmail.com,
vbabka@suse.cz, kaleshsingh@google.com, justinstitt@google.com,
alexander.shishkin@linux.intel.com, samuel.holland@sifive.com,
dave.hansen@linux.intel.com, corbet@lwn.net, xin@zytor.com,
dvyukov@google.com, tglx@linutronix.de,
scott@os.amperecomputing.com, jason.andryuk@amd.com,
morbo@google.com, nathan@kernel.org, lorenzo.stoakes@oracle.com,
mingo@redhat.com, brgerst@gmail.com, kristina.martsenko@arm.com,
bigeasy@linutronix.de, luto@kernel.org, jgross@suse.com,
jpoimboe@kernel.org, urezki@gmail.com, mhocko@suse.com,
ada.coupriediaz@arm.com, hpa@zytor.com, leitao@debian.org,
peterz@infradead.org, wangkefeng.wang@huawei.com,
surenb@google.com, ziy@nvidia.com, smostafa@google.com,
ryabinin.a.a@gmail.com, ubizjak@gmail.com, jbohac@suse.cz,
broonie@kernel.org, akpm@linux-foundation.org,
guoweikang.kernel@gmail.com, rppt@kernel.org, pcc@google.com,
jan.kiszka@siemens.com, nicolas.schier@linux.dev,
will@kernel.org, andreyknvl@gmail.com, jhubbard@nvidia.com,
bp@alien8.de, x86@kernel.org, linux-doc@vger.kernel.org,
linux-mm@kvack.org, llvm@lists.linux.dev,
linux-kbuild@vger.kernel.org, kasan-dev@googlegroups.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v5 14/19] arm64: Unify software tag-based KASAN inline recovery path
Date: Tue, 26 Aug 2025 20:35:00 +0100 [thread overview]
Message-ID: <aK4MZGzTvJ8bBQvn@arm.com> (raw)
In-Reply-To: <eb073b008b547cf87722390cc94fe6e9d21c514e.1756151769.git.maciej.wieczor-retman@intel.com>
On Mon, Aug 25, 2025 at 10:24:39PM +0200, Maciej Wieczor-Retman wrote:
> To avoid having a copy of a long comment explaining the intricacies of
> the inline KASAN recovery system and issues for every architecture that
> uses the software tag-based mode, a unified kasan_inline_recover()
> function was added.
>
> Use kasan_inline_recover() in the kasan brk handler to cleanup the long
> comment, that's kept in the non-arch KASAN code.
>
> Signed-off-by: Maciej Wieczor-Retman <maciej.wieczor-retman@intel.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2025-08-26 19:35 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-25 20:24 [PATCH v5 00/19] kasan: x86: arm64: KASAN tag-based mode for x86 Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 01/19] kasan: sw_tags: Use arithmetic shift for shadow computation Maciej Wieczor-Retman
2025-08-26 19:35 ` Catalin Marinas
2025-08-27 6:26 ` Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 02/19] kasan: sw_tags: Support tag widths less than 8 bits Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 03/19] kasan: Fix inline mode for x86 tag-based mode Maciej Wieczor-Retman
2025-09-06 17:17 ` Andrey Konovalov
2025-08-25 20:24 ` [PATCH v5 04/19] x86: Add arch specific kasan functions Maciej Wieczor-Retman
2025-09-06 17:17 ` Andrey Konovalov
2025-09-08 9:06 ` Maciej Wieczor-Retman
2025-09-18 15:52 ` Andrey Ryabinin
2025-09-19 11:05 ` Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 05/19] kasan: arm64: x86: Make special tags arch specific Maciej Wieczor-Retman
2025-09-06 17:18 ` Andrey Konovalov
2025-09-08 10:12 ` Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 06/19] x86: Reset tag for virtual to physical address conversions Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 07/19] mm: x86: Untag addresses in EXECMEM_ROX related pointer arithmetic Maciej Wieczor-Retman
2025-08-28 9:50 ` Mike Rapoport
2025-08-28 16:22 ` Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 08/19] x86: Physical address comparisons in fill_p*d/pte Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 09/19] x86: KASAN raw shadow memory PTE init Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 10/19] x86: LAM compatible non-canonical definition Maciej Wieczor-Retman
2025-08-25 20:59 ` Samuel Holland
2025-08-27 6:32 ` Maciej Wieczor-Retman
2025-08-25 21:36 ` Dave Hansen
2025-08-26 8:08 ` Maciej Wieczor-Retman
2025-08-27 0:46 ` Samuel Holland
2025-08-27 6:08 ` Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 11/19] x86: LAM initialization Maciej Wieczor-Retman
2025-09-06 22:24 ` Borislav Petkov
2025-09-08 8:30 ` Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 12/19] x86: Minimal SLAB alignment Maciej Wieczor-Retman
2025-09-06 17:18 ` Andrey Konovalov
2025-08-25 20:24 ` [PATCH v5 13/19] kasan: x86: Handle int3 for inline KASAN reports Maciej Wieczor-Retman
2025-09-06 17:19 ` Andrey Konovalov
2025-09-08 10:38 ` Maciej Wieczor-Retman
2025-09-08 12:54 ` Maciej Wieczor-Retman
2025-09-08 13:08 ` Maciej Wieczor-Retman
2025-09-08 20:19 ` Andrey Konovalov
2025-09-09 8:24 ` Maciej Wieczor-Retman
2025-09-09 8:34 ` Peter Zijlstra
2025-09-09 8:40 ` Peter Zijlstra
2025-09-09 8:49 ` Maciej Wieczor-Retman
2025-09-09 9:03 ` Peter Zijlstra
2025-09-10 8:23 ` Maciej Wieczor-Retman
2025-09-09 8:53 ` Maciej Wieczor-Retman
2025-09-09 14:46 ` Andrey Konovalov
2025-08-25 20:24 ` [PATCH v5 14/19] arm64: Unify software tag-based KASAN inline recovery path Maciej Wieczor-Retman
2025-08-26 19:35 ` Catalin Marinas [this message]
2025-08-25 20:24 ` [PATCH v5 15/19] kasan: x86: Apply multishot to the inline report handler Maciej Wieczor-Retman
2025-09-06 17:19 ` Andrey Konovalov
2025-09-08 13:02 ` Maciej Wieczor-Retman
2025-09-08 20:19 ` Andrey Konovalov
2025-09-09 8:42 ` Maciej Wieczor-Retman
2025-09-09 14:45 ` Andrey Konovalov
2025-09-09 14:46 ` Andrey Konovalov
2025-08-25 20:24 ` [PATCH v5 16/19] kasan: x86: Logical bit shift for kasan_mem_to_shadow Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 17/19] mm: Unpoison pcpu chunks with base address tag Maciej Wieczor-Retman
2025-09-13 8:29 ` Baoquan He
2025-09-15 6:29 ` Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 18/19] mm: Unpoison vms[area] addresses with a common tag Maciej Wieczor-Retman
2025-09-06 17:19 ` Andrey Konovalov
2025-09-08 13:11 ` Maciej Wieczor-Retman
2025-09-08 20:19 ` Andrey Konovalov
2025-09-09 8:26 ` Maciej Wieczor-Retman
2025-08-25 20:24 ` [PATCH v5 19/19] x86: Make software tag-based kasan available Maciej Wieczor-Retman
2025-09-06 17:19 ` Andrey Konovalov
2025-09-08 14:11 ` Maciej Wieczor-Retman
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