RE: [PATCH v2 03/12] iommu/vt-d: Remove clearing translation data in disable_dmar_iommu()

2022-06-15 Thread Tian, Kevin
> From: Baolu Lu > Sent: Wednesday, June 15, 2022 9:10 PM > > On 2022/6/15 14:22, Tian, Kevin wrote: > >> From: Baolu Lu > >> Sent: Tuesday, June 14, 2022 3:21 PM > >> > >> On 2022/6/14 14:49, Tian, Kevin wrote: > From: Lu Baolu > Sent: Tuesday, June 14, 2022 10:51 AM > >

Re: [PATCH v2 03/12] iommu/vt-d: Remove clearing translation data in disable_dmar_iommu()

2022-06-15 Thread Baolu Lu
On 2022/6/15 14:22, Tian, Kevin wrote: From: Baolu Lu Sent: Tuesday, June 14, 2022 3:21 PM On 2022/6/14 14:49, Tian, Kevin wrote: From: Lu Baolu Sent: Tuesday, June 14, 2022 10:51 AM The disable_dmar_iommu() is called when IOMMU initialization fails or the IOMMU is hot-removed from the

RE: [PATCH v2 03/12] iommu/vt-d: Remove clearing translation data in disable_dmar_iommu()

2022-06-15 Thread Tian, Kevin
> From: Baolu Lu > Sent: Tuesday, June 14, 2022 3:21 PM > > On 2022/6/14 14:49, Tian, Kevin wrote: > >> From: Lu Baolu > >> Sent: Tuesday, June 14, 2022 10:51 AM > >> > >> The disable_dmar_iommu() is called when IOMMU initialization fails or > >> the IOMMU is hot-removed from the system. In both

Re: [PATCH v2 03/12] iommu/vt-d: Remove clearing translation data in disable_dmar_iommu()

2022-06-14 Thread Baolu Lu
On 2022/6/14 14:49, Tian, Kevin wrote: From: Lu Baolu Sent: Tuesday, June 14, 2022 10:51 AM The disable_dmar_iommu() is called when IOMMU initialization fails or the IOMMU is hot-removed from the system. In both cases, there is no need to clear the IOMMU translation data structures for devices.

RE: [PATCH v2 03/12] iommu/vt-d: Remove clearing translation data in disable_dmar_iommu()

2022-06-14 Thread Tian, Kevin
> From: Lu Baolu > Sent: Tuesday, June 14, 2022 10:51 AM > > The disable_dmar_iommu() is called when IOMMU initialization fails or > the IOMMU is hot-removed from the system. In both cases, there is no > need to clear the IOMMU translation data structures for devices. > > On the initialization