allo_pdir() is called in smmu_iommu_domain_init() with spin_lock
held. memory allocations in it have to be atomic/unsleepable.
Signed-off-by: NHiroshi DOYU <hdoyu@nvidia.com>
Reported-by: NChris Wright <chrisw@sous-sol.org>
Acked-by: NChris Wright <chrisw@sous-sol.org>
Cc: stable@vger.kernel.org
Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com>