From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: asteinhauser@google.com, benh@kernel.crashing.org,
paulus@samba.org, diana.craciun@nxp.com
Cc: linuxppc-dev@lists.ozlabs.org,
Anthony Steinhauser <asteinhauser@google.com>
Subject: Re: [PATCH] L1TF support in PowerPC SYSFS.
Date: Thu, 14 Nov 2019 20:08:00 +1100 (AEDT) [thread overview]
Message-ID: <47DFxs1J6nz9sSL@ozlabs.org> (raw)
In-Reply-To: <20191029190759.84821-1-asteinhauser@google.com>
On Tue, 2019-10-29 at 19:07:59 UTC, asteinhauser@google.com wrote:
> From: Anthony Steinhauser <asteinhauser@google.com>
>
> PowerPC CPUs are vulnerable to L1TF to the same extent as to Meltdown.
> It is also mitigated by flushing the L1D on privilege transition.
> Currently the SYSFS gives a false negative on L1TF on CPUs that I verified
> to be vulnerable.
> https://www.ibm.com/blogs/psirt/potential-impact-processors-power-family/
> https://github.com/google/safeside/pull/52
> Signed-off-by: Anthony Steinhauser <asteinhauser@google.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/8e6b6da91ac9b9ec5a925b6cb13f287a54bd547d
cheers
prev parent reply other threads:[~2019-11-14 9:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-29 19:07 [PATCH] L1TF support in PowerPC SYSFS asteinhauser
2019-11-02 11:11 ` Michael Ellerman
2019-11-04 10:28 ` Anthony Steinhauser
2019-11-14 9:08 ` Michael Ellerman [this message]
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