Re: [RFC][PATCH] Reset PCIe devices to address DMA problem on kdumpwith iommu

[Takao Indoh]

(2012/09/15 5:03), Konrad Rzeszutek Wilk wrote:
> > As to the boot parameter to enable this function, you suggested using
> > reset_devices. I found that on a certain platform resetting devices
> > caused PCIe error due to a hardware bug. Therefore I think we need
> > new parameter apart from reset_devices to disable this function on
> > such a machine.
>
> Wouldn't a DMI quirk be better for this? That way the second kernel
> internally would know not to do this.

That sounds good. I'll try it, thanks.

Thanks,
Takao Indoh

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