[PATCH v4.4 v4.9 v4.14] arm64: Extend workaround for erratum 1024718 to all versions of Cortex-A55

[Greg KH]

On Wed, Sep 29, 2021 at 03:52:10PM +0800, Nanyong Sun wrote:
> From: Suzuki K Poulose <suzuki.poulose at arm.com>
> 
> 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 at vger.kernel.org #v4.4 v4.9 v4.14
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Will Deacon <will at kernel.org>
> Cc: James Morse <james.morse at arm.com>
> Cc: Kunihiko Hayashi <hayashi.kunihiko at socionext.com>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose at 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 at kernel.org>
> [Nanyon: adjust for stable version below v4.16, which set TCR_HD earlier
> in assembly code]
> Signed-off-by: Nanyong Sun <sunnanyong at huawei.com>

Now queued up,t hanks.

greg k-h