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From: Will Deacon <>
To: Andrey Ryabinin <>,
	Evgenii Stepanov <>,
	Peter Collingbourne <>,
	Steven Price <>,,
	Catalin Marinas <>,,
	Alexander Potapenko <>,
	Dmitry Vyukov <>,
	Andrey Konovalov <>,
Cc:, Will Deacon <>
Subject: Re: [PATCH v5] kasan: speed up mte_set_mem_tag_range
Date: Tue, 25 May 2021 19:58:47 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, 20 May 2021 18:00:23 -0700, Evgenii Stepanov wrote:
> Use DC GVA / DC GZVA to speed up KASan memory tagging in HW tags mode.
> The first cacheline is always tagged using STG/STZG even if the address is
> cacheline-aligned, as benchmarks show it is faster than a conditional
> branch.

Applied to arm64 (for-next/mte), thanks!

[1/1] kasan: speed up mte_set_mem_tag_range


linux-arm-kernel mailing list

      reply	other threads:[~2021-05-25 19:20 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-21  1:00 [PATCH v5] kasan: speed up mte_set_mem_tag_range Evgenii Stepanov
2021-05-25 18:58 ` Will Deacon [this message]

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