From: Steven Price <steven.price@arm.com>
To: Suzuki Kuruppassery Poulose <suzuki.poulose@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/3] arm64: Workaround for Cortex-A55 erratum 1530923
Date: Thu, 14 Nov 2019 11:06:44 +0000 [thread overview]
Message-ID: <af9c85ba-4926-7a57-8544-e548b953259e@arm.com> (raw)
In-Reply-To: <0b017ec9-5be1-90b9-be30-09462dec9e9d@arm.com>
On 14/11/2019 10:27, Suzuki Kuruppassery Poulose wrote:
> On 13/11/2019 17:22, Steven Price wrote:
[...]
>> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
>> index defb68e45387..d2dd72c19560 100644
>> --- a/arch/arm64/Kconfig
>> +++ b/arch/arm64/Kconfig
>> @@ -532,6 +532,19 @@ config ARM64_ERRATUM_1165522
>> If unsure, say Y.
>> +config ARM64_ERRATUM_1530923
>> + bool "Cortex-A55: Speculative AT instruction using out-of-context
>> translation regime could cause subsequent request to generate an
>> incorrect translation"
>> + default y
>> + select ARM64_WORKAROUND_SPECULATIVE_AT
>
> ARM64_WORKAROUND_SPECULATIVE_AT_VHE ?
Thanks for spotting - annoyingly I don't even seem to get a warning from
Kconfig for this. I'll spin a v4 with your R-Bs on the other patches too
(thanks for those too).
Steve
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prev parent reply other threads:[~2019-11-14 11:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-13 17:22 [PATCH v3 0/3] arm64: Workaround for Cortex-A55 erratum 1530923 Steven Price
2019-11-13 17:22 ` [PATCH v3 1/3] arm64: Rename WORKAROUND_1165522 to SPECULATIVE_AT_VHE Steven Price
2019-11-14 10:25 ` Suzuki Kuruppassery Poulose
2019-11-13 17:22 ` [PATCH v3 2/3] arm64: Rename WORKAROUND_1319367 to SPECULATIVE_AT_NVHE Steven Price
2019-11-14 10:26 ` Suzuki Kuruppassery Poulose
2019-11-13 17:22 ` [PATCH v3 3/3] arm64: Workaround for Cortex-A55 erratum 1530923 Steven Price
2019-11-14 10:27 ` Suzuki Kuruppassery Poulose
2019-11-14 11:06 ` Steven Price [this message]
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