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RE: Xen SMMU support
- To: Anda-alexandra Dorneanu <anda-alexandra.dorneanu@xxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxxx>
- From: Peng Fan <peng.fan@xxxxxxx>
- Date: Thu, 2 Jul 2020 05:59:38 +0000
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- Thread-topic: Xen SMMU support
Subject: Xen SMMU support
Hi,
I am currently running Xen with SMMU enabled on an ARM64 platform with 4
Cortex-A72 cores, GICv2 and SMMUv2. There are SMMU faults when booting Dom0,
such as:
[ 3.972767] mmc0: sdhci: Resp(XEN) smmu: /soc/iommu@9000000:
Unhandled context fault: fsr=0x402, iova=0xea060200, fsynr=0x180000, cb=0
Has someone encountered such problems and can provide some guidelines for SMMU
support on Dom0?
[Peng]: You enabled SMMU for Dom0? Which master issues 0xea060200? Did you let
smmu cb0 sharing same mmu table as dom0 mmu stage2?
Regards,
Peng.
Regards,
Anda
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