Re: [PATCH] iommu/vt-d: avoid unnecessory panic if iommu init fail in tboot

Hi Baolu, On Mon, Nov 9, 2020 at 11:15 AM Lu Baolu wrote: > > Hi Zhenzhong, > > On 11/9/20 10:27 AM, Zhenzhong Duan wrote: > > +intel iommu maintainers, > > > > Can anyone help review this patch? Thanks > > > > Zhenzhong > > > > On Wed, Nov 4, 2020 at 4:15 PM Zhenzhong Duan > > wrote: > >> >

Re: [PATCH] iommu/vt-d: avoid unnecessory panic if iommu init fail in tboot

Hi Zhenzhong, On 11/9/20 10:27 AM, Zhenzhong Duan wrote: +intel iommu maintainers, Can anyone help review this patch? Thanks Zhenzhong On Wed, Nov 4, 2020 at 4:15 PM Zhenzhong Duan wrote: "intel_iommu=off" command line is used to disable iommu and iommu is force enabled in a tboot system.

Re: [PATCH] iommu/vt-d: avoid unnecessory panic if iommu init fail in tboot

+intel iommu maintainers, Can anyone help review this patch? Thanks Zhenzhong On Wed, Nov 4, 2020 at 4:15 PM Zhenzhong Duan wrote: > > "intel_iommu=off" command line is used to disable iommu and iommu is force > enabled in a tboot system. Meanwhile "intel_iommu=tboot_noforce,off" > could be

[PATCH] iommu/vt-d: avoid unnecessory panic if iommu init fail in tboot

"intel_iommu=off" command line is used to disable iommu and iommu is force enabled in a tboot system. Meanwhile "intel_iommu=tboot_noforce,off" could be used to force disable iommu in tboot for better performance. By default kernel should panic if iommu init fail in tboot for security reason, but