Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH v2 0/2] Reset PCIe devices to address DMA problem on kdump with iommu | Date | Tue, 02 Oct 2012 12:37:44 -0700 |
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Takao Indoh <indou.takao@jp.fujitsu.com> writes:
> These patches reset PCIe devices at boot time to address DMA problem on > kdump with iommu. When "reset_devices" is specified, a hot reset is > triggered on each PCIe root port and downstream port to reset its > downstream endpoint.
Great. I've been pondering this for a long time, but you did finally implement it. I hope this will make kdump a lot more reliable at least on the systems that support per port reset.
Now the only question is: why make it a option and not default?
-Andi
-- ak@linux.intel.com -- Speaking for myself only
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