From: Lu Baolu <baolu.lu@linux.intel.com>
To: John Garry <john.garry@huawei.com>,
joro@8bytes.org, will@kernel.org, dwmw2@infradead.org,
robin.murphy@arm.com
Cc: baolu.lu@linux.intel.com, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org, linuxarm@huawei.com,
thunder.leizhen@huawei.com, chenxiang66@hisilicon.com
Subject: Re: [PATCH v12 2/5] iommu: Enhance IOMMU default DMA mode build options
Date: Sat, 12 Jun 2021 10:12:38 +0800 [thread overview]
Message-ID: <9a98ef6f-c804-4778-0503-6b82b828a851@linux.intel.com> (raw)
In-Reply-To: <1623414043-40745-3-git-send-email-john.garry@huawei.com>
On 2021/6/11 20:20, John Garry wrote:
> +choice
> + prompt "IOMMU default DMA mode"
This is not explicit.
How about
"IOMMU DMA default cache invalidation policy"
?
Best regards,
baolu
> + depends on IOMMU_DMA
> +
> + default IOMMU_DEFAULT_STRICT
> + help
> + This option allows an IOMMU DMA mode to be chosen at build time, to
> + override the default DMA mode of each ARCH, removing the need to
> + pass in kernel parameters through command line. It is still possible
> + to provide ARCH-specific or common boot options to override this
> + option.
> +
> + If unsure, keep the default.
WARNING: multiple messages have this Message-ID (diff)
From: Lu Baolu <baolu.lu@linux.intel.com>
To: John Garry <john.garry@huawei.com>,
joro@8bytes.org, will@kernel.org, dwmw2@infradead.org,
robin.murphy@arm.com
Cc: linuxarm@huawei.com, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org
Subject: Re: [PATCH v12 2/5] iommu: Enhance IOMMU default DMA mode build options
Date: Sat, 12 Jun 2021 10:12:38 +0800 [thread overview]
Message-ID: <9a98ef6f-c804-4778-0503-6b82b828a851@linux.intel.com> (raw)
In-Reply-To: <1623414043-40745-3-git-send-email-john.garry@huawei.com>
On 2021/6/11 20:20, John Garry wrote:
> +choice
> + prompt "IOMMU default DMA mode"
This is not explicit.
How about
"IOMMU DMA default cache invalidation policy"
?
Best regards,
baolu
> + depends on IOMMU_DMA
> +
> + default IOMMU_DEFAULT_STRICT
> + help
> + This option allows an IOMMU DMA mode to be chosen at build time, to
> + override the default DMA mode of each ARCH, removing the need to
> + pass in kernel parameters through command line. It is still possible
> + to provide ARCH-specific or common boot options to override this
> + option.
> +
> + If unsure, keep the default.
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iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2021-06-12 2:12 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-11 12:20 [PATCH v12 0/5] Enhance IOMMU default DMA mode build options John Garry
2021-06-11 12:20 ` John Garry
2021-06-11 12:20 ` [PATCH v12 1/5] iommu: Print strict or lazy mode at init time John Garry
2021-06-11 12:20 ` John Garry
2021-06-14 15:54 ` Robin Murphy
2021-06-14 15:54 ` Robin Murphy
2021-06-11 12:20 ` [PATCH v12 2/5] iommu: Enhance IOMMU default DMA mode build options John Garry
2021-06-11 12:20 ` John Garry
2021-06-12 1:21 ` Lu Baolu
2021-06-12 1:21 ` Lu Baolu
2021-06-14 8:11 ` John Garry
2021-06-14 8:11 ` John Garry
2021-06-12 2:12 ` Lu Baolu [this message]
2021-06-12 2:12 ` Lu Baolu
2021-06-14 16:03 ` Robin Murphy
2021-06-14 16:03 ` Robin Murphy
2021-06-11 12:20 ` [PATCH v12 3/5] iommu/vt-d: Add support for " John Garry
2021-06-11 12:20 ` John Garry
2021-06-12 2:14 ` Lu Baolu
2021-06-12 2:14 ` Lu Baolu
2021-06-14 8:03 ` John Garry
2021-06-14 8:03 ` John Garry
2021-06-15 7:26 ` Lu Baolu
2021-06-15 7:26 ` Lu Baolu
2021-06-15 8:25 ` Robin Murphy
2021-06-15 8:25 ` Robin Murphy
2021-06-16 8:42 ` Lu Baolu
2021-06-16 8:42 ` Lu Baolu
2021-06-12 2:22 ` Lu Baolu
2021-06-12 2:22 ` Lu Baolu
2021-06-14 7:53 ` John Garry
2021-06-14 7:53 ` John Garry
2021-06-14 14:11 ` Robin Murphy
2021-06-14 14:11 ` Robin Murphy
2021-06-14 14:19 ` John Garry
2021-06-14 14:19 ` John Garry
2021-06-14 15:05 ` Robin Murphy
2021-06-14 15:05 ` Robin Murphy
2021-06-11 12:20 ` [PATCH v12 4/5] iommu/amd: " John Garry
2021-06-11 12:20 ` John Garry
2021-06-11 12:20 ` [PATCH v12 5/5] iommu: Remove mode argument from iommu_set_dma_strict() John Garry
2021-06-11 12:20 ` John Garry
2021-06-12 2:23 ` Lu Baolu
2021-06-12 2:23 ` Lu Baolu
2021-06-14 7:46 ` John Garry
2021-06-14 7:46 ` John Garry
2021-06-14 16:25 ` Robin Murphy
2021-06-14 16:25 ` Robin Murphy
2021-06-14 17:03 ` John Garry
2021-06-14 17:03 ` John Garry
2021-06-14 17:19 ` Robin Murphy
2021-06-14 17:19 ` Robin Murphy
2021-06-14 17:24 ` John Garry
2021-06-14 17:24 ` John Garry
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