From: robert.richter@cavium.com (Robert Richter)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 1/7] iommu/arm-smmu-v3: Introduce SMMU option PAGE0_REGS_ONLY for ThunderX2 errata #74
Date: Mon, 8 May 2017 12:04:43 +0200 [thread overview]
Message-ID: <20170508100443.GG16981@rric.localdomain> (raw)
In-Reply-To: <b4881237-aca6-63ca-467e-30e36b1f02df@arm.com>
On 08.05.17 10:59:46, Robin Murphy wrote:
> On 08/05/17 10:17, Linu Cherian wrote:
> > This actually results in more lines of changes. If you think the below
> > approach is still better, will post a V4 of this series with this change.
>
> Why not just do this?:
>
> static inline unsigned long page1_offset_adjust(
> unsigned long off, struct arm_smmu_device *smmu)
> {
> if (off > SZ_64K && ARM_SMMU_PAGE0_REGS_ONLY(smmu))
> return (off - SZ_64K);
>
> return off;
> }
>
> AFAICS that should be the least disruptive way to go about it.
Yeah, let's go with this.
Thanks Robin,
-Robert
next prev parent reply other threads:[~2017-05-08 10:04 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-05 12:08 [PATCH v3 0/7] Cavium ThunderX2 SMMUv3 errata workarounds Geetha sowjanya
2017-05-05 12:08 ` [PATCH v3 1/7] iommu/arm-smmu-v3: Introduce SMMU option PAGE0_REGS_ONLY for ThunderX2 errata #74 Geetha sowjanya
2017-05-05 22:26 ` Robert Richter
2017-05-05 23:03 ` Robert Richter
2017-05-08 9:17 ` Linu Cherian
2017-05-08 9:29 ` Robert Richter
2017-05-08 9:59 ` Robin Murphy
2017-05-08 10:04 ` Robert Richter [this message]
2017-05-05 12:08 ` [PATCH v3 2/7] iommu/arm-smmu-v3: Do resource size checks based on SMMU Geetha sowjanya
2017-05-05 22:18 ` Robert Richter
2017-05-08 9:44 ` Linu Cherian
2017-05-08 10:09 ` Robert Richter
2017-05-08 10:50 ` Linu Cherian
2017-05-08 12:21 ` Robert Richter
2017-05-08 11:03 ` Geetha Akula
2017-05-05 12:08 ` [PATCH v3 3/7] ACPICA: IORT: Add Cavium ThunderX2 SMMUv3 model definition Geetha sowjanya
2017-05-05 13:53 ` Hanjun Guo
2017-05-05 14:56 ` David Daney
2017-05-05 14:58 ` Will Deacon
2017-05-05 15:33 ` Jon Masters
2017-05-05 12:08 ` [PATCH v3 4/7] iommu/arm-smmu-v3: For ACPI based device probing, set PAGE0_REGS_ONLY option for ThunderX2 SMMUv3 implementation Geetha sowjanya
2017-05-05 12:08 ` [PATCH v3 5/7] ACPI/IORT: Fixup SMMUv3 resource size for Cavium ThunderX2 SMMUv3 model Geetha sowjanya
2017-05-05 22:19 ` Robert Richter
2017-05-05 12:08 ` [PATCH v3 6/7] iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126 Geetha sowjanya
2017-05-08 11:21 ` Robin Murphy
2017-05-08 12:02 ` Geetha Akula
2017-05-05 12:08 ` [PATCH v3 7/7] arm64: Documentation: Add Cavium ThunderX2 SMMUv3 erratas Geetha sowjanya
2017-05-05 22:22 ` [PATCH v3 0/7] Cavium ThunderX2 SMMUv3 errata workarounds Robert Richter
2017-05-08 15:15 ` Linu Cherian
2017-05-09 16:07 ` Robert Richter
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