Re: [RFC PATCH v3 1/8] iommu: Evolve the device fault reporting framework

2021-05-20 Thread Shenming Lu
On 2021/5/19 2:58, Alex Williamson wrote: > On Fri, 9 Apr 2021 11:44:13 +0800 > Shenming Lu wrote: > >> This patch follows the discussion here: >> >> https://lore.kernel.org/linux-acpi/YAaxjmJW+ZMvrhac@myrica/ >> >> Besides SVA/vSVA, such as VFIO may also enable (2nd level) IOPF to remove >> pinn

Re: [RFC PATCH v3 1/8] iommu: Evolve the device fault reporting framework

2021-05-18 Thread Alex Williamson
On Fri, 9 Apr 2021 11:44:13 +0800 Shenming Lu wrote: > This patch follows the discussion here: > > https://lore.kernel.org/linux-acpi/YAaxjmJW+ZMvrhac@myrica/ > > Besides SVA/vSVA, such as VFIO may also enable (2nd level) IOPF to remove > pinning restriction. In order to better support more sce

[RFC PATCH v3 1/8] iommu: Evolve the device fault reporting framework

2021-04-08 Thread Shenming Lu
This patch follows the discussion here: https://lore.kernel.org/linux-acpi/YAaxjmJW+ZMvrhac@myrica/ Besides SVA/vSVA, such as VFIO may also enable (2nd level) IOPF to remove pinning restriction. In order to better support more scenarios of using device faults, we extend iommu_register_fault_handl