From: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
To: Mark Brown <broonie@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Shuah Khan <shuah@kernel.org>,
Marc Zyngier <maz@kernel.org>, Oliver Upton <oupton@kernel.org>,
Fuad Tabba <fuad.tabba@linux.dev>,
Mark Rutland <mark.rutland@arm.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH 03/11] kselftest/arm64: Move exit calls out of fp-stress loads
Date: Wed, 30 Sep 2026 09:41:16 +0100 [thread overview]
Message-ID: <arzHLZdKJ0qJFNHg@gremlin> (raw)
In-Reply-To: <636db593-b6b6-4338-b9b0-e87c54111d14@sirena.org.uk>
On Tue, Sep 29, 2026 at 10:56:10PM +0100, Mark Brown wrote:
> On Tue, Sep 29, 2026 at 05:22:44PM +0100, Lorenzo Stoakes (ARM) wrote:
> > On Tue, Sep 01, 2026 at 06:06:43PM +0100, Mark Brown wrote:
>
> > > No functional change.
>
> > I don't think this is accurate, as you're changing the register into which a
> > value is loaded (x0 instead of x1).
>
> > That seems to be correct to me, but worth calling out that you're fixing that up
> > in the commit message and dropping this line.
>
> That's actually an unintentional bugfix, the original code just uses
> whatever random value was in x0 as an exit code. Probably that was
> non-zero so it all works out but still.
Yeah absolutely, it seems that we just got lucky before with it which is
slightly ludicrous :)
--
Cheers, Lorenzo
next prev parent reply other threads:[~2026-09-30 8:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-01 17:06 [PATCH 00/11] kselftest/arm64: Add coverage of interactions with KVM to fp-stress Mark Brown
2026-09-01 17:06 ` [PATCH 01/11] kselftest/arm64: Factor Linux syscalls out of asm-utils.S Mark Brown
2026-09-29 16:01 ` Lorenzo Stoakes (ARM)
2026-09-01 17:06 ` [PATCH 02/11] kselftest/arm64: Factor shared signal handlers out of fp-stress loads Mark Brown
2026-09-29 16:07 ` Lorenzo Stoakes (ARM)
2026-09-01 17:06 ` [PATCH 03/11] kselftest/arm64: Move exit calls " Mark Brown
2026-09-29 16:22 ` Lorenzo Stoakes (ARM)
2026-09-29 21:56 ` Mark Brown
2026-09-30 8:41 ` Lorenzo Stoakes (ARM) [this message]
2026-09-29 16:27 ` Mark Rutland
2026-09-29 22:03 ` Mark Brown
2026-09-30 8:51 ` Mark Rutland
2026-09-01 17:06 ` [PATCH 04/11] kselftest/arm64: Use exit_error() rather than SIGABRT in fp-stress Mark Brown
2026-09-29 16:28 ` Mark Rutland
2026-09-29 16:31 ` Lorenzo Stoakes (ARM)
2026-09-01 17:06 ` [PATCH 05/11] kselftest/arm64: Exit with an error code on data mismatches " Mark Brown
2026-09-29 16:37 ` Lorenzo Stoakes (ARM)
2026-09-01 17:06 ` [PATCH 06/11] kselftest/arm64: Factor startup code out of fp-stress load programs Mark Brown
2026-09-30 12:39 ` Lorenzo Stoakes (ARM)
2026-09-01 17:06 ` [PATCH 07/11] kselftest/arm64: Remove the sched_yield()s from the fp-stress loads Mark Brown
2026-09-30 14:17 ` Lorenzo Stoakes (ARM)
2026-09-01 17:06 ` [PATCH 08/11] kselftest/arm64: Add a very simple VMM for use in fp-stress Mark Brown
2026-09-01 17:06 ` [PATCH 09/11] kselftest/arm64: Build KVM guest versions of the fp-stress loads Mark Brown
2026-09-01 17:06 ` [PATCH 10/11] kselftest/arm64: Use execv() to start fp-stress test loads Mark Brown
2026-09-01 17:06 ` [PATCH 11/11] kselftest/arm64: Run KVM guests from fp-stress Mark Brown
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