Re: [Xen-devel] [PATCH v14 8/9] mm / iommu: include need_iommu() test in iommu_use_hap_pt()

[Wei Liu <wei.liu2@xxxxxxxxxx>]

This patch has broken my PVH Dom0 setup.

[    2.515159] igb 0000:02:00.1: added PHC on eth1
[    2.519539] igb 0000:02:00.1: Intel(R) Gigabit Ethernet Network Connection
[    2.526469] igb 0000:02:00.1: eth1: (PCIe:5.0Gb/s:Width x4) 0c:c4:7a:e7:b6:53
[    2.533733] igb 0000:02:00.1: eth1: PBA No: 010A00-000
[    2.538860] igb 0000:02:00.1: Using MSI-X interrupts. 8 rx queue(s), 8 tx 
queue(s)
[    2.649191] ata8: SATA link down (SStatus 0 SControl 300)
[    2.654467] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    2.660730] ata7: SATA link down (SStatus 0 SControl 300)
[    2.666166] ata5: SATA link down (SStatus 0 SControl 300)
[    2.671619] ata3: SATA link down (SStatus 0 SControl 300)
[    2.677073] ata6: SATA link down (SStatus 0 SControl 300)
[    2.682538] ata2: SATA link down (SStatus 0 SControl 300)
[    2.687988] ata4: SATA link down (SStatus 0 SControl 300)
[    2.694632] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x100)
[    8.215728] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    8.222945] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x100)
[    8.229052] ata1: limiting SATA link speed to 1.5 Gbps
[   13.590991] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[   13.597142] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x100)

Wei.

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