linux-kernel - Re: [PATCH v5 5/6] irqchip, gicv3-its: Workaround for Cavium ThunderX errata 22375, 24313

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20150922175240.7e04b200@arm.com>
Date:	Tue, 22 Sep 2015 17:52:40 +0100
From:	Marc Zyngier <marc.zyngier@....com>
To:	Robert Richter <rric@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Tirumalesh Chalamarla <tchalamarla@...ium.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Robert Richter <rrichter@...ium.com>,
	Ganapatrao Kulkarni <gkulkarni@...iumnetworks.com>
Subject: Re: [PATCH v5 5/6] irqchip, gicv3-its: Workaround for Cavium
 ThunderX errata 22375, 24313

On Mon, 21 Sep 2015 22:58:38 +0200
Robert Richter <rric@...nel.org> wrote:

> From: Robert Richter <rrichter@...ium.com>
> 
> This implements two gicv3-its errata workarounds for ThunderX. Both
> with small impact affecting only ITS table allocation.
> 
>  erratum 22375: only alloc 8MB table size
>  erratum 24313: ignore memory access type
> 
> The fixes are in ITS initialization and basically ignore memory access
> type and table size provided by the TYPER and BASER registers.
> 
> v5:
>  * fix table size wrongly allocating only 4MB
>  * introduced CAVIUM_ERRATUM_22375 config option
>  * added config description
>  * introduced ITS_FLAGS_WORKAROUND_CAVIUM_22375
> 
> v3:
>  * fix erratum to be dependend from iidr
> 
> Signed-off-by: Ganapatrao Kulkarni <gkulkarni@...iumnetworks.com>
> Signed-off-by: Robert Richter <rrichter@...ium.com>

Reviewed-by: Marc Zyngier <marc.zyngier@....com>

	M.
-- 
Jazz is not dead. It just smells funny.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/