On May 18, 2016 4:08 PM, Quan Xu <quan...@intel.com> wrote:
> Propagate the IOMMU Device-TLB flush error up to the
> iommu_iotlb_flush{,_all}.
>
> This patch fixes the leaf ones.
> --- a/xen/drivers/passthrough/vtd/iommu.c
> +++ b/xen/drivers/passthrough/vtd/iommu.c
> -static void intel_iommu_iotlb_flush(struct domain *d, unsigned long gfn,
> unsigned int page_count)
> +static int __must_check iommu_flush_iotlb_pages(struct domain *d,
> + unsigned long gfn,
> + unsigned int
> +page_count)
> {
> - __intel_iommu_iotlb_flush(d, gfn, 1, page_count);
> + return iommu_flush_iotlb(d, gfn, 1, page_count);
> }
>
> -static void intel_iommu_iotlb_flush_all(struct domain *d)
> +static int iommu_flush_iotlb_all(struct domain *d)
Sorry, I should add __must_check annotation here too.
Quan
> {
> - __intel_iommu_iotlb_flush(d, INVALID_GFN, 0, 0);
> + return iommu_flush_iotlb(d, INVALID_GFN, 0, 0);
> }
>
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