Re: [Patch V8 3/3] iommu: Document usage of "/sys/kernel/iommu_groups//type" file

2020-11-19 Thread Lu Baolu
Hi Will On 11/19/20 4:55 PM, Will Deacon wrote: Hi Lu, On Thu, Nov 19, 2020 at 10:32:43AM +0800, Lu Baolu wrote: On 11/18/20 9:51 PM, Will Deacon wrote: On Fri, Sep 25, 2020 at 12:06:20PM -0700, Ashok Raj wrote: I can't figure out from this description what string is returned to userspace in

Re: [Patch V8 3/3] iommu: Document usage of "/sys/kernel/iommu_groups//type" file

2020-11-19 Thread Will Deacon
Hi Lu, On Thu, Nov 19, 2020 at 10:32:43AM +0800, Lu Baolu wrote: > On 11/18/20 9:51 PM, Will Deacon wrote: > > On Fri, Sep 25, 2020 at 12:06:20PM -0700, Ashok Raj wrote: > > I can't figure out from this description what string is returned to > > userspace in the case that the group is configured

Re: [Patch V8 3/3] iommu: Document usage of "/sys/kernel/iommu_groups//type" file

2020-11-18 Thread Lu Baolu
Hi Will, On 11/18/20 9:51 PM, Will Deacon wrote: On Fri, Sep 25, 2020 at 12:06:20PM -0700, Ashok Raj wrote: From: Sai Praneeth Prakhya The default domain type of an iommu group can be changed by writing to "/sys/kernel/iommu_groups//type" file. Hence, document it's usage and more importantly

Re: [Patch V8 3/3] iommu: Document usage of "/sys/kernel/iommu_groups//type" file

2020-11-18 Thread Will Deacon
On Fri, Sep 25, 2020 at 12:06:20PM -0700, Ashok Raj wrote: > From: Sai Praneeth Prakhya > > The default domain type of an iommu group can be changed by writing to > "/sys/kernel/iommu_groups//type" file. Hence, document it's usage > and more importantly spell out its limitations. > > Cc:

[Patch V8 3/3] iommu: Document usage of "/sys/kernel/iommu_groups//type" file

2020-09-25 Thread Ashok Raj
From: Sai Praneeth Prakhya The default domain type of an iommu group can be changed by writing to "/sys/kernel/iommu_groups//type" file. Hence, document it's usage and more importantly spell out its limitations. Cc: Christoph Hellwig Cc: Joerg Roedel Cc: Ashok Raj Cc: Will Deacon Cc: Lu