[PATCH v2] iommu/arm-smmu: fix null-pointer dereference in arm_smmu_add_device

is a NULL-pointer dereference panic during boot on some hosts. Signed-off-by: Artem Savkov <asav...@redhat.com> --- drivers/iommu/arm-smmu.c | 7 +++ 1 file changed, 7 insertions(+) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index b97188a..2d80fa8 100644 --- a/d

[PATCH] iommu/arm-smmu: fix null-pointer dereference in arm_smmu_add_device

is a NULL-pointer dereference panic during boot on some hosts. Signed-off-by: Artem Savkov <asav...@redhat.com> --- drivers/iommu/arm-smmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index b97188a..95f1c86 100644 --- a/drivers/

Re: [PATCH] iommu/amd: Fix schedule-while-atomic BUG in initialization code

On Wed, Jul 26, 2017 at 02:26:14PM +0200, Joerg Roedel wrote: > Hi Artem, Thomas, > > On Wed, Jul 26, 2017 at 12:42:49PM +0200, Thomas Gleixner wrote: > > On Tue, 25 Jul 2017, Artem Savkov wrote: > > > > > Hi, > > > > > > Commit 1c3c5ea "

amd-iommu/x2apic: sleeping function called from invalid context

Hi, Commit 1c3c5ea "sched/core: Enable might_sleep() and smp_processor_id() checks early" seem to have uncovered an issue with amd-iommu/x2apic. Starting with that commit the following warning started to show up on AMD systems during boot: [0.140480] smpboot: Max logical packages: 6 [