From: Yeoreum Yun <yeoreum.yun@arm.com>
To: Mark Brown <broonie@kernel.org>
Cc: catalin.marinas@arm.com, pcc@google.com, will@kernel.org,
anshuman.khandual@arm.com, joey.gouly@arm.com,
yury.khrustalev@arm.com, maz@kernel.org, oliver.upton@linux.dev,
frederic@kernel.org, akpm@linux-foundation.org,
surenb@google.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH v7 2/9] arm64: report address tag when FEAT_MTE_TAGGED_FAR is supported
Date: Wed, 11 Jun 2025 16:29:57 +0100 [thread overview]
Message-ID: <aEmg9cNGAzqsrTd1@e129823.arm.com> (raw)
In-Reply-To: <9a78c058-2aeb-43d8-94f8-987507a1a9a3@sirena.org.uk>
Hi Mark.
> On Wed, Jun 11, 2025 at 02:58:11PM +0100, Yeoreum Yun wrote:
>
> > * The architecture specifies that bits 63:60 of FAR_EL1 are UNKNOWN
> > * for tag check faults. Set them to corresponding bits in the untagged
> > - * address.
> > + * address if ARM64_MTE_FAR isn't supported.
> > + * Otherwise, bits 63:60 of FAR_EL1 are KNOWN.
> > */
>
> Should that be "are UNKNOWN"?
Otherwise in here mentions the case when ARM64_MTE_FAR is supported,
So the bits 63:60 of FAR_EL1 are "not UNKNOWN" but I write it with
KNOWN.
Do you want to change this to "not UNKNOWN"?
or Am I missing something?
--
Sincerely,
Yeoreum Yun
next prev parent reply other threads:[~2025-06-11 19:55 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-11 13:58 [PATCH v7 0/9] support FEAT_MTE_TAGGED_FAR feature Yeoreum Yun
2025-06-11 13:58 ` [PATCH v7 1/9] arm64/cpufeature: add " Yeoreum Yun
2025-06-12 7:36 ` Marc Zyngier
2025-06-17 18:38 ` Yeoreum Yun
2025-06-11 13:58 ` [PATCH v7 2/9] arm64: report address tag when FEAT_MTE_TAGGED_FAR is supported Yeoreum Yun
2025-06-11 15:14 ` Mark Brown
2025-06-11 15:29 ` Yeoreum Yun [this message]
2025-06-11 16:17 ` Mark Brown
2025-06-11 17:59 ` Yeoreum Yun
2025-06-11 13:58 ` [PATCH v7 3/9] tools/kselftest: add MTE_FAR hwcap test Yeoreum Yun
2025-06-11 13:58 ` [PATCH v7 4/9] kselftest/arm64/mte: register mte signal handler with SA_EXPOSE_TAGBITS Yeoreum Yun
2025-06-11 13:58 ` [PATCH v7 5/9] kselftest/arm64/mte: check MTE_FAR feature is supported Yeoreum Yun
2025-06-11 15:20 ` Mark Brown
2025-06-11 13:58 ` [PATCH v7 6/9] kselftest/arm64/mte: add address tag related macro and function Yeoreum Yun
2025-06-11 15:21 ` Mark Brown
2025-06-11 13:58 ` [PATCH v7 7/9] kselftest/arm64/mte: add verification for address tag in signal handler Yeoreum Yun
2025-06-11 13:58 ` [PATCH v7 8/9] kselftest/arm64/mte: refactor check_mmap_option test Yeoreum Yun
2025-06-11 13:58 ` [PATCH v7 9/9] kselftest/arm64/mte: add mtefar tests on check_mmap_options Yeoreum Yun
2025-06-11 15:29 ` Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aEmg9cNGAzqsrTd1@e129823.arm.com \
--to=yeoreum.yun@arm.com \
--cc=akpm@linux-foundation.org \
--cc=anshuman.khandual@arm.com \
--cc=broonie@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=frederic@kernel.org \
--cc=joey.gouly@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=maz@kernel.org \
--cc=oliver.upton@linux.dev \
--cc=pcc@google.com \
--cc=surenb@google.com \
--cc=will@kernel.org \
--cc=yury.khrustalev@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.