Re: [PATCH 15/17] iommu: remove DOMAIN_ATTR_NESTING

2021-03-14 Thread Auger Eric
Hi Christoph, On 3/1/21 9:42 AM, Christoph Hellwig wrote: > Signed-off-by: Christoph Hellwig > --- > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 40 ++--- > drivers/iommu/arm/arm-smmu/arm-smmu.c | 30 ++-- > drivers/iommu/intel/iommu.c | 28 +++

Re: [PATCH 15/17] iommu: remove DOMAIN_ATTR_NESTING

2021-03-15 Thread Auger Eric
Hi Christoph, On 3/14/21 4:58 PM, Christoph Hellwig wrote: > On Sun, Mar 14, 2021 at 11:44:52AM +0100, Auger Eric wrote: >> As mentionned by Robin, there are series planning to use >> DOMAIN_ATTR_NESTING to get info about the nested caps of the iommu (ARM >> and Intel):

Re: [RESEND PATCH v2 0/6] vfio-pci: Add support for mmapping MSI-X table

2016-06-08 Thread Auger Eric
Hi Yongji, Le 02/06/2016 à 08:09, Yongji Xie a écrit : > Current vfio-pci implementation disallows to mmap the page > containing MSI-X table in case that users can write directly > to MSI-X table and generate an incorrect MSIs. > > However, this will cause some performance issue when there > are