From: Mark Brown <broonie@kernel.org>
To: Andre Przywara <andre.przywara@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Shuah Khan <shuah@kernel.org>,
Dave Martin <dave.martin@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH] kselftest/arm64: sve: Do not use non-canonical FFR register value
Date: Fri, 19 Mar 2021 12:20:28 +0000 [thread overview]
Message-ID: <20210319122028.GA5619@sirena.org.uk> (raw)
In-Reply-To: <20210319120128.29452-1-andre.przywara@arm.com>
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On Fri, Mar 19, 2021 at 12:01:28PM +0000, Andre Przywara wrote:
> The "First Fault Register" (FFR) is an SVE register that mimics a
> predicate register, but clears bits when a load or store fails to handle
> an element of a vector. The supposed usage scenario is to initialise
Reviwed-by: Mark Brown <broonie@kernel.org>
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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Andre Przywara <andre.przywara@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Shuah Khan <shuah@kernel.org>,
Dave Martin <dave.martin@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH] kselftest/arm64: sve: Do not use non-canonical FFR register value
Date: Fri, 19 Mar 2021 12:20:28 +0000 [thread overview]
Message-ID: <20210319122028.GA5619@sirena.org.uk> (raw)
In-Reply-To: <20210319120128.29452-1-andre.przywara@arm.com>
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On Fri, Mar 19, 2021 at 12:01:28PM +0000, Andre Przywara wrote:
> The "First Fault Register" (FFR) is an SVE register that mimics a
> predicate register, but clears bits when a load or store fails to handle
> an element of a vector. The supposed usage scenario is to initialise
Reviwed-by: Mark Brown <broonie@kernel.org>
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next prev parent reply other threads:[~2021-03-19 12:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-19 12:01 [PATCH] kselftest/arm64: sve: Do not use non-canonical FFR register value Andre Przywara
2021-03-19 12:01 ` Andre Przywara
2021-03-19 12:20 ` Mark Brown [this message]
2021-03-19 12:20 ` Mark Brown
2021-03-22 13:19 ` Will Deacon
2021-03-22 13:19 ` Will Deacon
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