Re: [PATCH 1/3] iommu: Disambiguate MSI region types

2017-03-13 Thread Auger Eric
Hi Robin, On 13/03/2017 15:24, Robin Murphy wrote: > On 13/03/17 13:08, Auger Eric wrote: >> Hi Robin, >> >> On 09/03/2017 20:50, Robin Murphy wrote: >>> Whilst it doesn't matter much to VFIO at the moment, when parsing >>> reserved regions on the host side we really needs to be able to tell >>

Re: [PATCH 1/3] iommu: Disambiguate MSI region types

2017-03-13 Thread Robin Murphy
On 13/03/17 13:08, Auger Eric wrote: > Hi Robin, > > On 09/03/2017 20:50, Robin Murphy wrote: >> Whilst it doesn't matter much to VFIO at the moment, when parsing >> reserved regions on the host side we really needs to be able to tell > s/needs/need Oops! >> the difference between the

Re: [PATCH 1/3] iommu: Disambiguate MSI region types

2017-03-13 Thread Auger Eric
Hi Robin, On 09/03/2017 20:50, Robin Murphy wrote: > Whilst it doesn't matter much to VFIO at the moment, when parsing > reserved regions on the host side we really needs to be able to tell s/needs/need > the difference between the software-reserved region used to map MSIs > translated by an

RE: [PATCH 1/3] iommu: Disambiguate MSI region types

2017-03-13 Thread Shameerali Kolothum Thodi
i Kolothum > Thodi; Eric Auger; Alex Williamson; David Woodhouse; > k...@vger.kernel.org > Subject: [PATCH 1/3] iommu: Disambiguate MSI region types > > Whilst it doesn't matter much to VFIO at the moment, when parsing > reserved regions on the host side we really needs to be a

[PATCH 1/3] iommu: Disambiguate MSI region types

2017-03-09 Thread Robin Murphy
Whilst it doesn't matter much to VFIO at the moment, when parsing reserved regions on the host side we really needs to be able to tell the difference between the software-reserved region used to map MSIs translated by an IOMMU, and hardware regions for which the write might never even reach the