From: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
To: Marc Carino <marc.ceeeee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Christian Daudt <bcm-xK7y4jjYLqYh9ZMKESR00Q@public.gmane.org>,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>,
Florian Fainelli
<f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Matt Porter <matt.porter-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Gregory Fong
<gregory.0xf0-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org"
<rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
Subject: Re: [PATCH v7 5/9] ARM: Enable erratum 798181 for Broadcom Brahma-B15
Date: Wed, 26 Feb 2014 10:47:02 +0000 [thread overview]
Message-ID: <20140226104702.GA8961@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <1393410552-21497-6-git-send-email-marc.ceeeee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
On Wed, Feb 26, 2014 at 10:29:08AM +0000, Marc Carino wrote:
> From: Gregory Fong <gregory.0xf0-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>
> Broadcom Brahma-B15 (r0p0..r0p2) is also affected by Cortex-A15
> erratum 798181, so enable the workaround for Brahma-B15.
Really... *exactly* the same erratum? That sounds pretty unlikely, so I'd
really like to be sure that the workaround we have indeed solves your
problem (issuing a dummy TLBI to 0x0 + dsb, then followed by a dmb + clrex
on each core). The point is that the workaround doesn't simply perform
non-shareable invalidation on each core using IPIs.
/me counts the days until we need this code in arch/arm64.
Will
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next prev parent reply other threads:[~2014-02-26 10:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-26 10:29 [PATCH v7 0/9] ARM: brcmstb: Add Broadcom STB SoC support Marc Carino
2014-02-26 10:29 ` [PATCH v7 1/9] ARM: brcmstb: add infrastructure for ARM-based Broadcom STB SoCs Marc Carino
2014-02-26 10:29 ` [PATCH v7 2/9] power: reset: Add reboot driver for brcmstb Marc Carino
2014-02-26 10:29 ` [PATCH v7 3/9] ARM: brcmstb: add debug UART for earlyprintk support Marc Carino
2014-02-26 10:29 ` [PATCH v7 4/9] ARM: do CPU-specific init for Broadcom Brahma15 cores Marc Carino
2014-02-26 10:29 ` [PATCH v7 5/9] ARM: Enable erratum 798181 for Broadcom Brahma-B15 Marc Carino
[not found] ` <1393410552-21497-6-git-send-email-marc.ceeeee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-02-26 10:47 ` Will Deacon [this message]
[not found] ` <20140226104702.GA8961-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2014-02-27 0:38 ` Gregory Fong
2014-02-26 10:29 ` [PATCH v7 6/9] ARM: brcmstb: add CPU binding for Broadcom Brahma15 Marc Carino
2014-02-26 10:29 ` [PATCH v7 7/9] ARM: brcmstb: add misc. DT bindings for brcmstb Marc Carino
2014-02-26 10:29 ` [PATCH v7 8/9] ARM: brcmstb: gic: add compatible string for Broadcom Brahma15 Marc Carino
2014-02-26 10:29 ` [PATCH v7 9/9] ARM: brcmstb: dts: add a reference DTS for Broadcom 7445 Marc Carino
[not found] ` <1393410552-21497-1-git-send-email-marc.ceeeee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-03-21 19:41 ` [PATCH v7 0/9] ARM: brcmstb: Add Broadcom STB SoC support Florian Fainelli
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