Hi Jaocb,
Sorry for the late response. Was on PTO on Friday last week.
Please see comments below.
> From: Jacob Pan
> Sent: Friday, June 4, 2021 2:28 AM
>
> Hi Parav,
>
> On Tue, 1 Jun 2021 17:30:51 +, Parav Pandit wrote:
>
> > > From: Tian, Kevin
> &
> From: Enrico Weigelt, metux IT consult
> Sent: Wednesday, June 2, 2021 2:09 PM
>
> On 31.05.21 19:37, Parav Pandit wrote:
>
> > It appears that this is only to make map ioctl faster apart from accounting.
> > It doesn't have any ioasid handle input either
> From: Tian, Kevin
> Sent: Thursday, May 27, 2021 1:28 PM
> 5.6. I/O page fault
> +++
>
> (uAPI is TBD. Here is just about the high-level flow from host IOMMU driver
> to guest IOMMU driver and backwards).
>
> - Host IOMMU driver receives a page request with raw fault_data {rid,
> From: Jason Gunthorpe
> Sent: Monday, May 31, 2021 11:43 PM
>
> On Mon, May 31, 2021 at 05:37:35PM +, Parav Pandit wrote:
>
> > In that case, can it be a new system call? Why does it have to be under
> /dev/ioasid?
> > For example few years back s
> From: Tian, Kevin
> Sent: Thursday, May 27, 2021 1:28 PM
> /dev/ioasid provides an unified interface for managing I/O page tables for
> devices assigned to userspace. Device passthrough frameworks (VFIO, vDPA,
> etc.) are expected to use this interface instead of creating their own logic
>
No need for braces for single line statement under if() block.
Signed-off-by: Parav Pandit
---
drivers/iommu/intel/iommu.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 51be77c48108..6788d10d0ff6 100644
, cachelines: 51, members: 18 */
/* sum members: 3236, holes: 3, sum holes: 11 */
/* sum bitfield members: 3 bits, bit holes: 1, sum bit holes: 5 bits */
/* forced alignments: 1 */
/* last cacheline: 48 bytes */
} __attribute__((__aligned__(8)));
Signed-off-by: Parav
Avoid below checkpatch warning.
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
+ unsignediommu_refcnt[DMAR_UNITS_SUPPORTED];
Fixes: 29a27719abaa ("iommu/vt-d: Replace iommu_bmp with a refcount")
Signed-off-by: Parav Pandit
---
include/linux/intel-iommu.h | 2
Page directory assignment by alloc_pgtable_page() or phys_to_virt()
doesn't need typecasting as both routines return void*.
Hence, remove typecasting from both the calls.
Signed-off-by: Parav Pandit
---
drivers/iommu/intel/iommu.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff
removes unnecessary typecasting
Parav Pandit (5):
iommu/intel: Use bitfields for DMAR capabilities
iommu/intel: Removed unused iommu_count in dmar domain
iommu/intel: Remove unnecessary braces
iommu/intel: Define counter explicitly as unsigned int
iommu/intel: No need to typecast
drivers
-by: Parav Pandit
---
drivers/iommu/intel/iommu.c | 11 +++
include/linux/intel-iommu.h | 1 -
2 files changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index cdbf4513df9d..51be77c48108 100644
--- a/drivers/iommu/intel/iommu.c
> From: h...@lst.de
> Sent: Wednesday, October 28, 2020 11:01 PM
>
> On Tue, Oct 27, 2020 at 12:52:30PM +, Parav Pandit wrote:
> >
> > > From: h...@lst.de
> > > Sent: Tuesday, October 27, 2020 1:41 PM
> > >
> > > On Mon, Oct 26, 20
> From: h...@lst.de
> Sent: Tuesday, October 27, 2020 1:41 PM
>
> On Mon, Oct 26, 2020 at 05:23:48AM +, Parav Pandit wrote:
> > Hi Christoph,
> >
> > > From: Jakub Kicinski
> > > Sent: Saturday, October 24, 2020 11:45 PM
> > >
&
Hi Christoph,
> From: Jakub Kicinski
> Sent: Saturday, October 24, 2020 11:45 PM
>
> CC: rdma, looks like rdma from the stack trace
>
> On Fri, 23 Oct 2020 20:07:17 -0700 syzbot wrote:
> > syzbot has found a reproducer for the following issue on:
> >
> > HEAD commit:3cb12d27 Merge tag
> -Original Message-
> From: linux-kernel-ow...@vger.kernel.org ow...@vger.kernel.org> On Behalf Of Kirti Wankhede
> Sent: Tuesday, March 26, 2019 4:33 AM
> To: Lu Baolu ; Joerg Roedel ;
> David Woodhouse ; Alex Williamson
>
> Cc: ashok@intel.com; sanjay.k.ku...@intel.com;
>
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