From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4] arm64: Add workaround for Cavium erratum 27456
Date: Fri, 26 Feb 2016 15:20:51 +0000 [thread overview]
Message-ID: <20160226152051.GM4777@e104818-lin.cambridge.arm.com> (raw)
In-Reply-To: <1456364697-25083-1-git-send-email-ddaney.cavm@gmail.com>
On Wed, Feb 24, 2016 at 05:44:57PM -0800, David Daney wrote:
> From: Andrew Pinski <apinski@cavium.com>
>
> On ThunderX T88 pass 1.x through 2.1 parts, broadcast TLBI
> instructions may cause the icache to become corrupted if it contains
> data for a non-current ASID.
>
> This patch implements the workaround (which invalidates the local
> icache when switching the mm) by using code patching.
>
> Signed-off-by: Andrew Pinski <apinski@cavium.com>
> Signed-off-by: David Daney <david.daney@cavium.com>
> Reviewed-by: Will Deacon <will.deacon@arm.com>
Applied. Thanks.
--
Catalin
prev parent reply other threads:[~2016-02-26 15:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-25 1:44 [PATCH v4] arm64: Add workaround for Cavium erratum 27456 David Daney
2016-02-26 15:20 ` Catalin Marinas [this message]
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