The iommu_group_alloc() and iommu_group_get_for_dev() functions return
error pointers, they never return NULL.
Signed-off-by: Dan Carpenter dan.carpen...@oracle.com
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index c520c0c..9c25e6be 100644
--- a/drivers/iommu/iommu.c
+++
Hello Joerg Roedel,
This is a semi-automatic email about new static checker warnings.
The patch eeae3fba3afe: iommu: Introduce iommu_request_dm_for_dev()
from May 28, 2015, leads to the following Smatch complaint:
drivers/iommu/iommu.c:1581 iommu_request_dm_for_dev()
error: we
On Tue, Jun 09, 2015 at 01:55:50PM +0100, David Woodhouse wrote:
On Mon, 2015-06-08 at 18:13 +0200, Joerg Roedel wrote:
So I think we need to read out that bit when we find translation enabled
and if it is different from what we would set it to, we bail out of any
copying, disable
From: Joerg Roedel jroe...@suse.de
The RTT bit in the RTADDR_REG can not be changed while
translation is enabled. So check its value if we boot into a
kdump kernel and find translation enabled, and if it is
different from what we would set it to, bail out and don't
try to copy over the
On 06/10/2015 05:21 PM, Joerg Roedel wrote:
On Tue, Jun 09, 2015 at 01:55:50PM +0100, David Woodhouse wrote:
On Mon, 2015-06-08 at 18:13 +0200, Joerg Roedel wrote:
So I think we need to read out that bit when we find translation enabled
and if it is different from what we would set it to, we
On Tue, Jun 09, 2015 at 11:17:54AM +0100, Mark Rutland wrote:
On Fri, Jun 05, 2015 at 10:05:34AM +0100, Will Deacon wrote:
On Thu, Jun 04, 2015 at 11:19:30PM +0100, Chalamarla, Tirumalesh wrote:
On Jun 1, 2015, at 3:22 AM, Mark Rutland mark.rutl...@arm.com wrote:
It's possible to
On Wed, 2015-06-10 at 17:32 +0800, Li, ZhenHua wrote:
Is PASID part of new specs? Is there any plan to upgrade the driver to
support the latest vt-d specs?
Yes, and yes. I'm currently working on the latter — and the extended
page table support in 4.1 is the precursor to that work.
--
dwmw2
Hello Joerg Roedel,
This is a semi-automatic email about new static checker warnings.
The patch 0a3da4517107: iommu/amd: Put IOMMUv2 devices in a direct
mapped domain from May 28, 2015, leads to the following Smatch
complaint:
drivers/iommu/amd_iommu.c:2285 amd_iommu_add_device()
Hello Joerg Roedel,
The patch b61238c4a5e1: iommu/amd: Implement dm_region call-backs
from May 28, 2015, leads to the following static checker warning:
drivers/iommu/amd_iommu.c:3153 amd_iommu_get_dm_regions()
error: potential null dereference 'region'. (kzalloc returns null)
