From: robert.richter@caviumnetworks.com (Robert Richter)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 2/5] irqchip, gicv3: Workaround for Cavium ThunderX erratum 23154
Date: Wed, 19 Aug 2015 18:05:58 +0200 [thread overview]
Message-ID: <20150819160558.GY1820@rric.localhost> (raw)
In-Reply-To: <55D21345.3040903@caviumnetworks.com>
On 17.08.15 10:00:53, David Daney wrote:
> On 08/14/2015 11:28 AM, Robert Richter wrote:
> >+config CAVIUM_ERRATUM_23154
> >+ bool "Cavium erratum 23154: Access to ICC_IAR1_EL1 is not sync'ed"
> >+ depends on ARCH_THUNDER
>
> None of the other errata depend on a specific ARCH_*. I think we should
> remove this 'depends on', so that a generic kernel can be configured to work
> on Thunder without having to first select ARCH_THUNDER.
Right, will remove the dependency. Same as for the other errata then.
Thanks,
-Robert
> >+ default y
> >+ help
> >+ The gicv3 of ThunderX requires a modified version for
> >+ reading the IAR status to ensure data synchronization
> >+ (access to icc_iar1_el1 is not sync'ed before and after).
> >+
> >+ If unsure, say Y.
WARNING: multiple messages have this Message-ID (diff)
From: Robert Richter <robert.richter@caviumnetworks.com>
To: David Daney <ddaney@caviumnetworks.com>
Cc: Robert Richter <rric@kernel.org>,
Marc Zygnier <marc.zyngier@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Jason Cooper <jason@lakedaemon.net>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Tirumalesh Chalamarla <tchalamarla@cavium.com>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v4 2/5] irqchip, gicv3: Workaround for Cavium ThunderX erratum 23154
Date: Wed, 19 Aug 2015 18:05:58 +0200 [thread overview]
Message-ID: <20150819160558.GY1820@rric.localhost> (raw)
In-Reply-To: <55D21345.3040903@caviumnetworks.com>
On 17.08.15 10:00:53, David Daney wrote:
> On 08/14/2015 11:28 AM, Robert Richter wrote:
> >+config CAVIUM_ERRATUM_23154
> >+ bool "Cavium erratum 23154: Access to ICC_IAR1_EL1 is not sync'ed"
> >+ depends on ARCH_THUNDER
>
> None of the other errata depend on a specific ARCH_*. I think we should
> remove this 'depends on', so that a generic kernel can be configured to work
> on Thunder without having to first select ARCH_THUNDER.
Right, will remove the dependency. Same as for the other errata then.
Thanks,
-Robert
> >+ default y
> >+ help
> >+ The gicv3 of ThunderX requires a modified version for
> >+ reading the IAR status to ensure data synchronization
> >+ (access to icc_iar1_el1 is not sync'ed before and after).
> >+
> >+ If unsure, say Y.
next prev parent reply other threads:[~2015-08-19 16:05 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-14 18:28 [PATCH v4 0/5] irqchip, gicv3: Updates and Cavium ThunderX errata workarounds Robert Richter
2015-08-14 18:28 ` Robert Richter
2015-08-14 18:28 ` [PATCH v4 1/5] irqchip, gicv3-its: Add range check for number of allocated pages Robert Richter
2015-08-14 18:28 ` Robert Richter
2015-08-14 18:28 ` [PATCH v4 2/5] irqchip, gicv3: Workaround for Cavium ThunderX erratum 23154 Robert Richter
2015-08-14 18:28 ` Robert Richter
2015-08-17 16:40 ` Catalin Marinas
2015-08-17 16:40 ` Catalin Marinas
2015-08-19 15:43 ` Robert Richter
2015-08-19 15:43 ` Robert Richter
2015-08-17 17:00 ` David Daney
2015-08-17 17:00 ` David Daney
2015-08-19 16:05 ` Robert Richter [this message]
2015-08-19 16:05 ` Robert Richter
2015-09-07 16:54 ` Suzuki K. Poulose
2015-09-07 16:54 ` Suzuki K. Poulose
2015-09-07 17:09 ` Marc Zyngier
2015-09-07 17:09 ` Marc Zyngier
2015-09-07 17:32 ` Robert Richter
2015-09-07 17:32 ` Robert Richter
2015-09-07 17:15 ` Catalin Marinas
2015-09-07 17:15 ` Catalin Marinas
2015-09-07 17:41 ` Suzuki K. Poulose
2015-09-07 17:41 ` Suzuki K. Poulose
2015-09-08 9:00 ` Catalin Marinas
2015-09-08 9:00 ` Catalin Marinas
2015-09-08 9:09 ` Suzuki K. Poulose
2015-09-08 9:09 ` Suzuki K. Poulose
2015-09-08 9:37 ` Catalin Marinas
2015-09-08 9:37 ` Catalin Marinas
2015-09-08 10:30 ` Suzuki K. Poulose
2015-09-08 10:30 ` Suzuki K. Poulose
2015-08-14 18:28 ` [PATCH v4 3/5] irqchip, gicv3-its: Read typer register outside the loop Robert Richter
2015-08-14 18:28 ` Robert Richter
2015-08-14 18:28 ` [PATCH v4 4/5] irqchip, gicv3-its: Add HW revision detection and configuration Robert Richter
2015-08-14 18:28 ` Robert Richter
2015-09-07 16:26 ` Marc Zyngier
2015-09-07 16:26 ` Marc Zyngier
2015-08-14 18:28 ` [PATCH v4 5/5] irqchip, gicv3-its: Workaround for Cavium ThunderX errata 22375, 24313 Robert Richter
2015-08-14 18:28 ` Robert Richter
2015-09-07 16:32 ` Marc Zyngier
2015-09-07 16:32 ` Marc Zyngier
2015-09-18 8:33 ` Robert Richter
2015-09-18 8:33 ` Robert Richter
2015-09-07 16:35 ` [PATCH v4 0/5] irqchip, gicv3: Updates and Cavium ThunderX errata workarounds Marc Zyngier
2015-09-07 16:35 ` Marc Zyngier
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