[PATCH v7 4/5] x86, pci: Reset PCIe devices at boot time

This patch resets PCIe devices at boot time when "reset_devices" is specified. Kdump with intel_iommu=on fails becasue ongoing DMA from first kernel causes DMAR fault when page table of DMAR is initialized while kdump kernel is booting up. To solve this problem, this patch resets PCIe devices

[PATCH v7 4/5] x86, pci: Reset PCIe devices at boot time

This patch resets PCIe devices at boot time when reset_devices is specified. Kdump with intel_iommu=on fails becasue ongoing DMA from first kernel causes DMAR fault when page table of DMAR is initialized while kdump kernel is booting up. To solve this problem, this patch resets PCIe devices