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Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Browse source 
Pull irq updates from Thomas Gleixner:
 "The irq department delivers:

   - Expand the generic infrastructure handling the irq migration on CPU
     hotplug and convert X86 over to it. (Thomas Gleixner)

     Aside of consolidating code this is a preparatory change for:

   - Finalizing the affinity management for multi-queue devices. The
     main change here is to shut down interrupts which are affine to a
     outgoing CPU and reenabling them when the CPU comes online again.
     That avoids moving interrupts pointlessly around and breaking and
     reestablishing affinities for no value. (Christoph Hellwig)

     Note: This contains also the BLOCK-MQ and NVME changes which depend
     on the rework of the irq core infrastructure. Jens acked them and
     agreed that they should go with the irq changes.

   - Consolidation of irq domain code (Marc Zyngier)

   - State tracking consolidation in the core code (Jeffy Chen)

   - Add debug infrastructure for hierarchical irq domains (Thomas
     Gleixner)

   - Infrastructure enhancement for managing generic interrupt chips via
     devmem (Bartosz Golaszewski)

   - Constification work all over the place (Tobias Klauser)

   - Two new interrupt controller drivers for MVEBU (Thomas Petazzoni)

   - The usual set of fixes, updates and enhancements all over the
     place"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (112 commits)
  irqchip/or1k-pic: Fix interrupt acknowledgement
  irqchip/irq-mvebu-gicp: Allocate enough memory for spi_bitmap
  irqchip/gic-v3: Fix out-of-bound access in gic_set_affinity
  nvme: Allocate queues for all possible CPUs
  blk-mq: Create hctx for each present CPU
  blk-mq: Include all present CPUs in the default queue mapping
  genirq: Avoid unnecessary low level irq function calls
  genirq: Set irq masked state when initializing irq_desc
  genirq/timings: Add infrastructure for estimating the next interrupt arrival time
  genirq/timings: Add infrastructure to track the interrupt timings
  genirq/debugfs: Remove pointless NULL pointer check
  irqchip/gic-v3-its: Don't assume GICv3 hardware supports 16bit INTID
  irqchip/gic-v3-its: Add ACPI NUMA node mapping
  irqchip/gic-v3-its-platform-msi: Make of_device_ids const
  irqchip/gic-v3-its: Make of_device_ids const
  irqchip/irq-mvebu-icu: Add new driver for Marvell ICU
  irqchip/irq-mvebu-gicp: Add new driver for Marvell GICP
  dt-bindings/interrupt-controller: Add DT binding for the Marvell ICU
  genirq/irqdomain: Remove auto-recursive hierarchy support
  irqchip/MSI: Use irq_domain_update_bus_token instead of an open coded access
  ...
This commit is contained in:
Linus Torvalds 2017-07-03 16:50:31 -07:00
commit 03ffbcdd78
86 changed files with 3342 additions and 709 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/pci/host/vmd.c
View file

@ -554,6 +554,7 @@ static int vmd_find_free_domain(void)
static int vmd_enable_domain(struct vmd_dev *vmd)
{
struct pci_sysdata *sd = &vmd->sysdata;
struct fwnode_handle *fn;
struct resource *res;
u32 upper_bits;
unsigned long flags;
@ -617,8 +618,13 @@ static int vmd_enable_domain(struct vmd_dev *vmd)
sd->node = pcibus_to_node(vmd->dev->bus);
vmd->irq_domain = pci_msi_create_irq_domain(NULL, &vmd_msi_domain_info,
fn = irq_domain_alloc_named_id_fwnode("VMD-MSI", vmd->sysdata.domain);
if (!fn)
return -ENODEV;
vmd->irq_domain = pci_msi_create_irq_domain(fn, &vmd_msi_domain_info,
x86_vector_domain);
irq_domain_free_fwnode(fn);
if (!vmd->irq_domain)
return -ENODEV;

2
drivers/pci/msi.c
View file

@ -1463,7 +1463,7 @@ struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode,
if (!domain)
return NULL;
domain->bus_token = DOMAIN_BUS_PCI_MSI;
irq_domain_update_bus_token(domain, DOMAIN_BUS_PCI_MSI);
return domain;
}
EXPORT_SYMBOL_GPL(pci_msi_create_irq_domain);