From: Catalin Marinas <catalin.marinas@arm.com>
To: Mark Brown <broonie@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
Shuah Khan <skhan@linuxfoundation.org>,
Will Deacon <will@kernel.org>,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH 4/4] kselftest/arm64: Fix compilation of SME instructions in the arm64 fp tests
Date: Fri, 8 Nov 2024 14:59:04 +0000 [thread overview]
Message-ID: <Zy4nONl6Ia7B7nLq@arm.com> (raw)
In-Reply-To: <15526a78-b9ad-46d2-b451-013dd3b8356b@sirena.org.uk>
On Fri, Nov 08, 2024 at 02:53:29PM +0000, Mark Brown wrote:
> On Fri, Nov 08, 2024 at 01:49:20PM +0000, Catalin Marinas wrote:
> > SMSTOP/SMSTART require the SME arch extension for the assembler. Add
> > '.arch_extension sme' to za-test.S and zt-test.S.
>
> I've got an alternative, more idiomatic fix for this running through my
> testing - SME is still relatively recent so we can't rely on people's
> toolchains having it and we should use a .inst instead. The issue was
> that the toolchain I'm using locally appears to default to a full fat
> version of the architecture and happily assembled the SMSTART even
> though we don't have a .inst macro for it like we do with SMSTOP (which
> is why that didn't error). We only have SMSTART SM and SMSTART ZA.
It makes sense. Please post yours and I'll drop this one.
--
Catalin
next prev parent reply other threads:[~2024-11-08 15:42 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-08 13:49 [PATCH 0/4] kselftest/arm64: Fix compilation warnings/errors in the arm64 tests Catalin Marinas
2024-11-08 13:49 ` [PATCH 1/4] kselftest/arm64: Fix printf() compiler warnings in the arm64 fp tests Catalin Marinas
2024-11-08 15:01 ` Mark Brown
2024-11-08 13:49 ` [PATCH 2/4] kselftest/arm64: Fix printf() warning in the arm64 MTE prctl() test Catalin Marinas
2024-11-08 15:10 ` Mark Brown
2024-11-08 15:25 ` Catalin Marinas
2024-11-08 15:30 ` Mark Brown
2024-11-08 15:35 ` Catalin Marinas
2024-11-08 13:49 ` [PATCH 3/4] kselftest/arm64: Fix printf() compiler warnings in the arm64 syscall-abi.c tests Catalin Marinas
2024-11-08 15:04 ` Mark Brown
2024-11-08 13:49 ` [PATCH 4/4] kselftest/arm64: Fix compilation of SME instructions in the arm64 fp tests Catalin Marinas
2024-11-08 14:53 ` Mark Brown
2024-11-08 14:59 ` Catalin Marinas [this message]
2024-11-08 14:58 ` [PATCH 0/4] kselftest/arm64: Fix compilation warnings/errors in the arm64 tests Mark Brown
2024-11-08 15:03 ` Catalin Marinas
2024-11-08 15:16 ` Mark Brown
2024-11-12 16:07 ` (subset) " Catalin Marinas
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=Zy4nONl6Ia7B7nLq@arm.com \
--to=catalin.marinas@arm.com \
--cc=broonie@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=skhan@linuxfoundation.org \
--cc=will@kernel.org \
/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.