iommu/riscv: Add command queue lock

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Add a raw spinlock to the RISC-V IOMMU queue state so command queue
publishing can be serialized by a later change.

Fixes: 856c0cfe5c ("iommu/riscv: Command and fault queue support")
Signed-off-by: Fangyu Yu <fangyu.yu@linux.alibaba.com>
Reviewed-by: Nutty Liu <nutty.liu@hotmail.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

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Fangyu Yu 2026-09-01 21:39:18 +08:00 • committed by Joerg Roedel

parent df2908090c

commit d5bcf9ccaa

2 changed files with 3 additions and 0 deletions

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drivers/iommu/riscv/iommu.c

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2

drivers/iommu/riscv/iommu.h

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