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SubjectRe: [PATCH v6 24/27] x86: Add swiotlb force off support
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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