From: Laszlo Ersek <lersek@redhat.com>
To: marcandre.lureau@redhat.com, edk2-devel@lists.01.org
Cc: Jordan Justen <jordan.l.justen@intel.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Anthony Perard <anthony.perard@citrix.com>,
Julien Grall <julien.grall@linaro.org>,
Michael Kinney <michael.d.kinney@intel.com>
Subject: Re: [PATCH v3 1/1] OvmfPkg/PlatformPei: clear CPU caches
Date: Tue, 2 Oct 2018 17:23:56 +0200 [thread overview]
Message-ID: <252339c6-44e7-f45c-56f2-bfbbbfb799c2@redhat.com> (raw)
In-Reply-To: <20181002121725.17178-1-marcandre.lureau@redhat.com>
On 10/02/18 14:17, marcandre.lureau@redhat.com wrote:
> From: Marc-André Lureau <marcandre.lureau@redhat.com>
>
> This is for conformance with the TCG "Platform Reset Attack Mitigation
> Specification". Because clearing the CPU caches at boot doesn't impact
> performance significantly, do it unconditionally, for simplicity's
> sake.
>
> Flush the cache on all logical processors, thanks to
> EFI_PEI_MP_SERVICES_PPI and CacheMaintenanceLib.
>
> Cc: Jordan Justen <jordan.l.justen@intel.com>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Cc: Anthony Perard <anthony.perard@citrix.com>
> Cc: Julien Grall <julien.grall@linaro.org>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> Message-Id: <20181002120730.13013-1-marcandre.lureau@redhat.com>
I'm going to remove the Message-Id line on push. I don't know why it's
there, but either way, it's not correct. (The msgid of your posting is
<20181002121725.17178-1-marcandre.lureau@redhat.com>.)
With that:
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Also,
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
I'm ready to push this, but I'd still like to get an A-b from Mike (CC'd).
Thanks!
Laszlo
next prev parent reply other threads:[~2018-10-02 15:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-02 12:17 [PATCH v3 1/1] OvmfPkg/PlatformPei: clear CPU caches marcandre.lureau
2018-10-02 12:38 ` Laszlo Ersek
2018-10-02 13:27 ` Anthony PERARD
2018-10-02 15:03 ` Laszlo Ersek
2018-10-02 15:23 ` Laszlo Ersek [this message]
2018-10-05 16:49 ` Kinney, Michael D
2018-10-05 20:43 ` Laszlo Ersek
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