linux-kernel - Re: [PATCH v7 9/9] kselftest/arm64/mte: add mtefar tests on check_mmap

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Message-ID: <22c43b81-9e7b-4e49-96bf-ff242ea0cb6e@sirena.org.uk>
Date: Wed, 11 Jun 2025 16:29:34 +0100
From: Mark Brown <broonie@...nel.org>
To: Yeoreum Yun <yeoreum.yun@....com>
Cc: catalin.marinas@....com, pcc@...gle.com, will@...nel.org,
	anshuman.khandual@....com, joey.gouly@....com,
	yury.khrustalev@....com, maz@...nel.org, oliver.upton@...ux.dev,
	frederic@...nel.org, akpm@...ux-foundation.org, surenb@...gle.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org
Subject: Re: [PATCH v7 9/9] kselftest/arm64/mte: add mtefar tests on
 check_mmap_options

On Wed, Jun 11, 2025 at 02:58:18PM +0100, Yeoreum Yun wrote:
> If FEAT_MTE_TAGGED_FAR (Armv8.9) is supported, bits 63:60 of the fault address
> are preserved in response to synchronous tag check faults (SEGV_MTESERR).
> 
> This patch adds new test cases using address tags (bits 63:60),
> corresponding to each existing test in check_mmap_option.

Reviewed-by: Mark Brown <broonie@...nel.org>

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