From: Greg KH <gregkh@linuxfoundation.org>
To: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: stable@vger.kernel.org, will@kernel.org, catalin.marinas@arm.com
Subject: Re: [PATCH v2] arm64: Extend workaround for erratum 1024718 to all versions of Cortex-A55
Date: Mon, 1 Mar 2021 14:11:26 +0100 [thread overview]
Message-ID: <YDzn/uWxuxt094qz@kroah.com> (raw)
In-Reply-To: <20210301125815.3047065-1-suzuki.poulose@arm.com>
On Mon, Mar 01, 2021 at 12:58:15PM +0000, Suzuki K Poulose wrote:
> commit c0b15c25d25171db4b70cc0b7dbc1130ee94017d upstream
>
> The erratum 1024718 affects Cortex-A55 r0p0 to r2p0. However
> we apply the work around for r0p0 - r1p0. Unfortunately this
> won't be fixed for the future revisions for the CPU. Thus
> extend the work around for all versions of A55, to cover
> for r2p0 and any future revisions.
>
> Cc: stable@vger.kernel.org # v5.4-
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: James Morse <james.morse@arm.com>
> Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> Link: https://lore.kernel.org/r/20210203230057.3961239-1-suzuki.poulose@arm.com
> [will: Update Kconfig help text]
> Signed-off-by: Will Deacon <will@kernel.org>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> ---
> Changes in v2:
> - Match the Kconfig text to the original commit
> "versions" => "revisions"
>
> arch/arm64/Kconfig | 2 +-
> arch/arm64/kernel/cpufeature.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
Applied to 5.4.y and 4.19.y, if it needs to go anywhere older, please
provide working backports.
thanks,
greg k-h
prev parent reply other threads:[~2021-03-01 13:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-01 12:15 FAILED: patch "[PATCH] arm64: Extend workaround for erratum 1024718 to all versions" failed to apply to 5.4-stable tree gregkh
2021-03-01 12:54 ` [PATCH] arm64: Extend workaround for erratum 1024718 to all versions of Cortex-A55 Suzuki K Poulose
2021-03-01 12:58 ` [PATCH v2] " Suzuki K Poulose
2021-03-01 13:11 ` Greg KH [this message]
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