linux-kernel - Re: [PATCH v11 0/8] Add iommufd nesting (part 2/2)

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Date: Thu, 11 Jan 2024 15:56:42 -0400
From: Jason Gunthorpe <jgg@...dia.com>
To: Yi Liu <yi.l.liu@...el.com>
Cc: joro@...tes.org, alex.williamson@...hat.com, kevin.tian@...el.com,
	robin.murphy@....com, baolu.lu@...ux.intel.com, cohuck@...hat.com,
	eric.auger@...hat.com, nicolinc@...dia.com, kvm@...r.kernel.org,
	mjrosato@...ux.ibm.com, chao.p.peng@...ux.intel.com,
	yi.y.sun@...ux.intel.com, peterx@...hat.com, jasowang@...hat.com,
	shameerali.kolothum.thodi@...wei.com, lulu@...hat.com,
	suravee.suthikulpanit@....com, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
	zhenzhong.duan@...el.com, joao.m.martins@...cle.com,
	xin.zeng@...el.com, yan.y.zhao@...el.com, j.granados@...sung.com,
	binbin.wu@...ux.intel.com
Subject: Re: [PATCH v11 0/8] Add iommufd nesting (part 2/2)

On Wed, Jan 10, 2024 at 08:10:07PM -0800, Yi Liu wrote:
> v11:
>  - Drop hw_error field in vtd cache invalidation uapi. devTLB invalidation
>    error is a serious security emergency requiring the host kernel to handle.
>    No need to expose it to userspace (especially given existing VMs doesn't
>    issue devTLB invalidation at all).
>  - The vtd qi_submit_sync() and related callers are reverted back to the
>    original state due to above drop.
>  - Align with the vtd path, drop the hw_error reporting in mock driver and
>    selftest as well since selftest is a demo of the real driver.
>  - Drop iommu_respond_struct_to_user_array() since no more driver want to
>    respond single entry in the user_array.
>  - Two typos from Wubinbin

Okay, this is very last minute but I updated the series.

Jason