Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-28 Thread Auger Eric
rphy ; Joerg Roedel >> ; io...@lists.linux-foundation.org; Linux Kernel Mailing >> List ; Alex Williamson >> ; Srinath Mannam >> ; BCM Kernel Feedback >> ; Will Deacon ; >> Linux ARM >> Subject: Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set

RE: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-28 Thread Shameerali Kolothum Thodi
x Williamson > ; Srinath Mannam > ; BCM Kernel Feedback > ; Will Deacon ; > Linux ARM > Subject: Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi > iova address > > > > On 5/28/20 11:15 AM, Shameerali Kolothum Thodi wrote: > > > > >

Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-28 Thread Auger Eric
.linux-foundation.org; Shameerali Kolothum Thodi >> ; Linux Kernel Mailing List >> ; Alex Williamson >> ; Srinath Mannam >> ; BCM Kernel Feedback >> ; Robin Murphy >> ; Linux ARM >> Subject: Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set

RE: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-28 Thread Shameerali Kolothum Thodi
x Williamson > ; Srinath Mannam > ; BCM Kernel Feedback > ; Robin Murphy > ; Linux ARM > Subject: Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi > iova address > > Hi, > > On 5/28/20 10:38 AM, Jean-Philippe Brucker wrote: > > [+ Shameer] > &

Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-28 Thread Auger Eric
Hi, On 5/28/20 10:38 AM, Jean-Philippe Brucker wrote: > [+ Shameer] > > On Thu, May 28, 2020 at 09:43:46AM +0200, Auger Eric wrote: >> Hi, >> >> On 5/28/20 9:23 AM, Jean-Philippe Brucker wrote: >>> On Thu, May 28, 2020 at 10:45:14AM +0530, Srinath Mannam wrote: On Wed, May 27, 2020 at 11:00

Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-28 Thread Jean-Philippe Brucker
[+ Shameer] On Thu, May 28, 2020 at 09:43:46AM +0200, Auger Eric wrote: > Hi, > > On 5/28/20 9:23 AM, Jean-Philippe Brucker wrote: > > On Thu, May 28, 2020 at 10:45:14AM +0530, Srinath Mannam wrote: > >> On Wed, May 27, 2020 at 11:00 PM Robin Murphy wrote: > >>> > >> Thanks Robin for your quick

Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-28 Thread Auger Eric
Hi, On 5/28/20 9:23 AM, Jean-Philippe Brucker wrote: > On Thu, May 28, 2020 at 10:45:14AM +0530, Srinath Mannam wrote: >> On Wed, May 27, 2020 at 11:00 PM Robin Murphy wrote: >>> >> Thanks Robin for your quick response. >>> On 2020-05-27 17:03, Srinath Mannam wrote: This patch gives the

Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-28 Thread Jean-Philippe Brucker
On Thu, May 28, 2020 at 10:45:14AM +0530, Srinath Mannam wrote: > On Wed, May 27, 2020 at 11:00 PM Robin Murphy wrote: > > > Thanks Robin for your quick response. > > On 2020-05-27 17:03, Srinath Mannam wrote: > > > This patch gives the provision to change default value of MSI IOVA base > > > to

Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-28 Thread Auger Eric
Hi, On 5/27/20 7:30 PM, Robin Murphy wrote: > On 2020-05-27 17:03, Srinath Mannam wrote: >> This patch gives the provision to change default value of MSI IOVA base >> to platform's suitable IOVA using module parameter. The present >> hardcoded MSI IOVA base may not be the accessible IOVA ranges

Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-27 Thread Srinath Mannam
On Wed, May 27, 2020 at 11:00 PM Robin Murphy wrote: > Thanks Robin for your quick response. > On 2020-05-27 17:03, Srinath Mannam wrote: > > This patch gives the provision to change default value of MSI IOVA base > > to platform's suitable IOVA using module parameter. The present > > hardcoded

Re: [RFC PATCH] iommu/arm-smmu: Add module parameter to set msi iova address

2020-05-27 Thread Robin Murphy
On 2020-05-27 17:03, Srinath Mannam wrote: This patch gives the provision to change default value of MSI IOVA base to platform's suitable IOVA using module parameter. The present hardcoded MSI IOVA base may not be the accessible IOVA ranges of platform. That in itself doesn't seem entirely