Messages in this thread | | | Date | Sat, 22 Dec 2012 21:00:12 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH v6 24/27] x86: Add swiotlb force off support |
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On 12/21/2012 09:00 PM, Yinghai Lu wrote: > On Fri, Dec 21, 2012 at 6:18 PM, Konrad Rzeszutek Wilk > <konrad.wilk@oracle.com> wrote: >> On Thu, Dec 13, 2012 at 02:02:18PM -0800, Yinghai Lu wrote: >>> So use could disable swiotlb from command line, even swiotlb support >>> is compiled in. Just like we have intel_iommu=on and intel_iommu=off. >> >> Does this have any usage besides testing? > > for kdump. >
"For kdump" isn't an answer. There is a reason why kdump needs this.
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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