From: Lu Baolu <baolu.lu@linux.intel.com>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
iommu@lists.linux-foundation.org, Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>
Cc: Raj Ashok <ashok.raj@intel.com>
Subject: Re: [PATCH 3/3] iommu/vt-d: Add build dependency on IOASID
Date: Fri, 20 Mar 2020 21:57:43 +0800 [thread overview]
Message-ID: <2f2b5c45-552f-1399-ad7d-0c460ab783f4@linux.intel.com> (raw)
In-Reply-To: <1584678751-43169-4-git-send-email-jacob.jun.pan@linux.intel.com>
On 2020/3/20 12:32, Jacob Pan wrote:
> IOASID code is needed by VT-d scalable mode for PASID allocation.
> Add explicit dependency such that IOASID is built-in whenever Intel
> IOMMU is enabled.
> Otherwise, aux domain code will fail when IOMMU is built-in and IOASID
> is compiled as a module.
>
> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Fixes: 59a623374dc38 ("iommu/vt-d: Replace Intel specific PASID
allocator with IOASID")
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Best regards,
baolu
> ---
> drivers/iommu/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
> index d2fade984999..25149544d57c 100644
> --- a/drivers/iommu/Kconfig
> +++ b/drivers/iommu/Kconfig
> @@ -188,6 +188,7 @@ config INTEL_IOMMU
> select NEED_DMA_MAP_STATE
> select DMAR_TABLE
> select SWIOTLB
> + select IOASID
> help
> DMA remapping (DMAR) devices support enables independent address
> translations for Direct Memory Access (DMA) from devices.
>
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next prev parent reply other threads:[~2020-03-20 13:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-20 4:32 [PATCH 0/3] Misc bug fixes for VT-d SVM Jacob Pan
2020-03-20 4:32 ` [PATCH 1/3] iommu/vt-d: Remove redundant IOTLB flush Jacob Pan
2020-03-20 13:45 ` Lu Baolu
2020-03-20 16:20 ` Jacob Pan
2020-03-21 1:32 ` Lu Baolu
2020-03-24 15:31 ` Jacob Pan
2020-03-25 0:48 ` Lu Baolu
2020-03-20 4:32 ` [PATCH 2/3] iommu/vt-d: Fix mm reference leak Jacob Pan
2020-03-20 13:49 ` Lu Baolu
2020-03-20 4:32 ` [PATCH 3/3] iommu/vt-d: Add build dependency on IOASID Jacob Pan
2020-03-20 13:57 ` Lu Baolu [this message]
2020-03-27 10:04 ` [PATCH 0/3] Misc bug fixes for VT-d SVM Joerg Roedel
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