Re: [PATCH v7u1 26/31] x86: Don't enable swiotlb if there is notenough ram for it
From: Yinghai Lu
Date: Fri Jan 04 2013 - 18:00:30 EST
On Fri, Jan 4, 2013 at 2:56 PM, Shuah Khan <shuahkhan@xxxxxxxxx> wrote:
> AMD IOMMU driver is using this lever to leave swiotlb enabled when it
> detects devices that can't be supported by iommu. My concern is that
> this change for kdump removes that handshake ability between iommu and
No, it does not remove that ability.
I'd like to see the boot log on system that could be affected by this patch.
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