From: Guo Heyi <heyi.guo@linaro.org>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Guo Heyi <heyi.guo@linaro.org>,
Jeremy Linton <jeremy.linton@arm.com>,
Leif Lindholm <leif.lindholm@linaro.org>,
linaro-uefi <linaro-uefi@lists.linaro.org>,
"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
Graeme Gregory <graeme.gregory@linaro.org>,
huangming <huangming23@huawei.com>,
John Garry <john.garry@huawei.com>,
Jason Zhang <zhangjinsong2@huawei.com>,
wanghuiqiang <wanghuiqiang@huawei.com>,
guoheyi@huawei.com, waip23@126.com,
Mengfanrong <mengfanrong@huawei.com>,
huangdaode@hisilicon.com
Subject: Re: [PATCH edk2-non-osi v3 7/7] Hisilicon/D05: Update binary of trusted-firmware
Date: Sat, 24 Feb 2018 09:53:45 +0800 [thread overview]
Message-ID: <20180224015345.GC111587@SZX1000114654> (raw)
In-Reply-To: <CAKv+Gu-pOueTh8w5T4_Sv0hhsALXzrCBrOHEcdRcLaZ8FfagOg@mail.gmail.com>
On Fri, Feb 23, 2018 at 09:02:46AM +0000, Ard Biesheuvel wrote:
> On 23 February 2018 at 03:17, Guo Heyi <heyi.guo@linaro.org> wrote:
> > Hi Jeremy,
> >
> > This TF binaries have not been patched the latest SMCCC workaround; it is based
> > on v1.4 release and was only
> > patched with "disable/enable MMU in PSCI SMC call", as the commit in upstream TF
> > code:
> > f62ad322695d16178db464dc062fe0af592c6780
> >
> > When we generated these binaries, SMCCC patches had not come out so they are not
> > contained in these binaries.
> >
> > Do you recommend using the latest smccc patches?
> >
>
> Yes.
>
> The Spectre v2 mitigations that landed in v4.16 and were backported to
> v4.15 and v4.14 LTS do not use the PSCI_VERSION call anymore to
> perform branch predictor invalidation. Instead, it checks for
> SMCCCv1.1, and uses the ARCH_WORKAROUND_1 SMC call if supported. If
> not, no BP maintenance is performed.
Thanks, we'll try to apply the smccc patch to TF.
Heyi
next prev parent reply other threads:[~2018-02-24 1:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-02 11:57 [PATCH edk2-non-osi v3 0/7] Improve D0x platforms and bug fix Heyi Guo
2018-02-02 11:57 ` [PATCH edk2-non-osi v3 1/7] Hisilicon D03/D05: Delete SasPlatform Heyi Guo
2018-02-02 11:57 ` [PATCH edk2-non-osi v3 2/7] Hisilicon D0x: Fix network interface order issue Heyi Guo
2018-02-02 11:57 ` [PATCH edk2-non-osi v3 3/7] Hisilicon D0x: Delete SnpPlatform Heyi Guo
2018-02-02 11:57 ` [PATCH edk2-non-osi v3 4/7] Hisilicon D03/D05: Update SasDriverDxe binary Heyi Guo
2018-02-02 11:57 ` [PATCH edk2-non-osi v3 5/7] Hisilicon D03/D05: Update NativeOhci binary Heyi Guo
2018-02-02 11:57 ` [PATCH edk2-non-osi v3 6/7] Hisilicon/D03: Update binary of trusted-firmware Heyi Guo
2018-02-02 11:57 ` [PATCH edk2-non-osi v3 7/7] Hisilicon/D05: " Heyi Guo
2018-02-23 2:37 ` Jeremy Linton
2018-02-23 3:17 ` Guo Heyi
2018-02-23 9:02 ` Ard Biesheuvel
2018-02-24 1:53 ` Guo Heyi [this message]
2018-02-07 15:39 ` [PATCH edk2-non-osi v3 0/7] Improve D0x platforms and bug fix Leif Lindholm
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