Commit e1907d67 authored by Xiang Zheng's avatar Xiang Zheng Committed by Alex Williamson
Browse files

vfio/type1: Add conditional rescheduling after iommu map failed 



Commit c5e66887 ("vfio/type1: Add conditional rescheduling")
missed a "cond_resched()" in vfio_iommu_map if iommu map failed.

This is a very tiny optimization and the case can hardly happen.

Signed-off-by: default avatarXiang Zheng <zhengxiang9@huawei.com>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent bf3551e1

drivers/vfio/vfio_iommu_type1.c

+3 −1
Original line number Diff line number Diff line
@@ -1225,8 +1225,10 @@ static int vfio_iommu_map(struct vfio_iommu *iommu, dma_addr_t iova, 
	return 0;



unwind:

	list_for_each_entry_continue_reverse(d, &iommu->domain_list, next)

	list_for_each_entry_continue_reverse(d, &iommu->domain_list, next) {

		iommu_unmap(d->domain, iova, npage << PAGE_SHIFT);

		cond_resched();

	}



	return ret;

}

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