From: Greg KH <greg@kroah.com>
To: Niklas Cassel <niklas.cassel@linaro.org>
Cc: stable@vger.kernel.org, will.deacon@arm.com
Subject: Re: stable backport request, add cortex-a cpus to whitelist
Date: Thu, 19 Sep 2019 22:32:47 +0200 [thread overview]
Message-ID: <20190919203247.GA258783@kroah.com> (raw)
In-Reply-To: <20190909124501.GA14378@centauri>
On Mon, Sep 09, 2019 at 02:45:01PM +0200, Niklas Cassel wrote:
> Hello,
>
> I would like to request
> 2a355ec25729 ("arm64: kpti: Whitelist Cortex-A CPUs that don't implement the CSV3 field")
>
> to be backported to 4.19 stable.
>
> These CPUs are not susceptible to Meltdown, so enabling the mitigations
> for Meltdown (kpti) should be redundant, especially since we know that
> it can have a huge performance penalty for certain workloads.
>
> kpti will still be automatically enabled if KASLR is enabled.
Now queued up, thanks.
greg k-h
next prev parent reply other threads:[~2019-09-19 20:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-09 12:45 stable backport request, add cortex-a cpus to whitelist Niklas Cassel
2019-09-19 20:32 ` Greg KH [this message]
2019-09-24 23:17 ` Niklas Cassel
2019-09-25 4:47 ` Greg KH
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