Re: [PATCH] iommu: fix compilation without CONFIG_IOMMU_INTEL

[Baolu Lu]

On 3/8/24 3:44 AM, Bert Karwatzki wrote:
> When the kernel is comiled with CONFIG_IRQ_REMAP=y but without
> CONFIG_IOMMU_INTEL compilation fails since commit def054b01a8678 with an
> undefined reference to device_rbtree_find(). This patch makes sure that
> intel specific code is only compiled with CONFIG_IOMMU_INTEL=y.
>
> Fixes: def054b01a8678 ("iommu/vt-d: Use device rbtree in iopf reporting path")

I think it should fix below commit:

Fixes: 80a9b50c0b9e ("iommu/vt-d: Improve ITE fault handling if target 
device isn't present")

> Signed-off-by: Bert Karwatzki<spasswolf@xxxxxx>

For users who want a configuration with interrupt remapping and without
DMA remapping, they can achieve this by selecting
IOMMU_DEFAULT_PASSTHROUGH or using kernel command "iommu.passthrough=1".

Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

Best regards,
baolu