[PATCH v3] powerpc/pseries/iommu: DLPAR ADD of pci device doesn't completely initialize pci_controller structure

[Michael Ellerman]

On Thu, 15 Feb 2024 16:18:33 -0600, Gaurav Batra wrote:
> When a PCI device is Dynamically added, LPAR OOPS with NULL pointer
> exception.
> 
> Complete stack is as below
> 
> [  211.239206] BUG: Kernel NULL pointer dereference on read at 0x00000030
> [  211.239210] Faulting instruction address: 0xc0000000006bbe5c
> [  211.239214] Oops: Kernel access of bad area, sig: 11 [#1]
> [  211.239218] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA pSeries
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/pseries/iommu: DLPAR ADD of pci device doesn't completely initialize pci_controller structure
      https://git.kernel.org/powerpc/c/a5c57fd2e9bd1c8ea8613a8f94fd0be5eccbf321

cheers