From: Catalin Marinas <catalin.marinas@arm.com>
To: Yeoreum Yun <yeoreum.yun@arm.com>
Cc: ryabinin.a.a@gmail.com, glider@google.com, andreyknvl@gmail.com,
dvyukov@google.com, vincenzo.frascino@arm.com, corbet@lwn.net,
will@kernel.org, akpm@linux-foundation.org,
scott@os.amperecomputing.com, jhubbard@nvidia.com,
pankaj.gupta@amd.com, leitao@debian.org, kaleshsingh@google.com,
maz@kernel.org, broonie@kernel.org, oliver.upton@linux.dev,
james.morse@arm.com, ardb@kernel.org,
hardevsinh.palaniya@siliconsignals.io, david@redhat.com,
yang@os.amperecomputing.com, kasan-dev@googlegroups.com,
workflows@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org
Subject: Re: [PATCH v2 1/2] kasan/hw-tags: introduce kasan.store_only option
Date: Fri, 15 Aug 2025 18:46:09 +0100 [thread overview]
Message-ID: <aJ9yYZyQtMHyS4n1@arm.com> (raw)
In-Reply-To: <aJ9IdVsSxppYh2QC@e129823.arm.com>
On Fri, Aug 15, 2025 at 03:47:17PM +0100, Yeoreum Yun wrote:
> > If we do something like mte_enable_kernel_asymm(), that one doesn't
> > return any error, just fall back to the default mode.
>
> But, in case of mte_enable_kernel_asymm() need return to
> change kasan_flag_write_only = false when it doesn't support which
> used in KASAN Kunit test.
>
> If we don't return anything, when user set the write_only but HW doesn't
> support it, KUNIT test get failure since kasan_write_only_enabled()
> return true thou HW doesn't support it.
Ah, ok, if we need this for the kunit test. I haven't checked the last
patch.
--
Catalin
next prev parent reply other threads:[~2025-08-15 20:19 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-13 17:53 [PATCH v2 0/2] introduce kasan.store_only option in hw-tags Yeoreum Yun
2025-08-13 17:53 ` [PATCH v2 1/2] kasan/hw-tags: introduce kasan.store_only option Yeoreum Yun
2025-08-14 5:03 ` Andrey Konovalov
2025-08-14 8:51 ` Yeoreum Yun
2025-08-15 11:19 ` Catalin Marinas
2025-08-15 11:13 ` Catalin Marinas
2025-08-15 13:51 ` Yeoreum Yun
2025-08-15 15:10 ` Yeoreum Yun
2025-08-15 17:44 ` Catalin Marinas
2025-08-15 14:47 ` Yeoreum Yun
2025-08-15 17:46 ` Catalin Marinas [this message]
2025-08-13 17:53 ` [PATCH v2 2/2] kasan: apply store-only mode in kasan kunit testcases Yeoreum Yun
2025-08-14 5:04 ` Andrey Konovalov
2025-08-14 11:13 ` Yeoreum Yun
2025-08-15 6:14 ` Andrey Konovalov
2025-08-15 8:06 ` Yeoreum Yun
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