This is a note to let you know that I've just added the patch titled PCI: vmd: Move SRCU cleanup after bus, child device removal to the 4.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pci-vmd-move-srcu-cleanup-after-bus-child-device-removal.patch and it can be found in the queue-4.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 0cb259c47a4df466d641c1f07ae3eccaa9ba3ccb Mon Sep 17 00:00:00 2001 From: Jon Derrick <jonathan.derrick@xxxxxxxxx> Date: Thu, 22 Jun 2017 09:15:42 -0600 Subject: PCI: vmd: Move SRCU cleanup after bus, child device removal From: Jon Derrick <jonathan.derrick@xxxxxxxxx> commit 0cb259c47a4df466d641c1f07ae3eccaa9ba3ccb upstream. Recent __call_srcu() changes have exposed that we need to cleanup SRCU structures after pci_stop_root_bus() calls into vmd_msi_free(). Fixes: 3906b91844d6 ("PCI: vmd: Use SRCU as a local RCU to prevent delaying global RCU") Signed-off-by: Jon Derrick <jonathan.derrick@xxxxxxxxx> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Acked-by: Keith Busch <keith.busch@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/pci/host/vmd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/pci/host/vmd.c +++ b/drivers/pci/host/vmd.c @@ -733,10 +733,10 @@ static void vmd_remove(struct pci_dev *d struct vmd_dev *vmd = pci_get_drvdata(dev); vmd_detach_resources(vmd); - vmd_cleanup_srcu(vmd); sysfs_remove_link(&vmd->dev->dev.kobj, "domain"); pci_stop_root_bus(vmd->bus); pci_remove_root_bus(vmd->bus); + vmd_cleanup_srcu(vmd); vmd_teardown_dma_ops(vmd); irq_domain_remove(vmd->irq_domain); } Patches currently in stable-queue which might be from jonathan.derrick@xxxxxxxxx are queue-4.12/pci-vmd-move-srcu-cleanup-after-bus-child-device-removal.patch