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linux/virt/kvm
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Alex Williamson 50f4bed39b vfio: New external user group/file match 
commit 5d6dee80a1 upstream.

At the point where the kvm-vfio pseudo device wants to release its
vfio group reference, we can't always acquire a new reference to make
that happen.  The group can be in a state where we wouldn't allow a
new reference to be added.  This new helper function allows a caller
to match a file to a group to facilitate this.  Given a file and
group, report if they match.  Thus the caller needs to already have a
group reference to match to the file.  This allows the deletion of a
group without acquiring a new reference.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2017-10-12 15:27:55 +01:00
..
arm arm/arm64: KVM: Keep elrsr/aisr in sync with software model 2015-05-20 13:25:54 +01:00
assigned-dev.c kvm: Use pci_enable_msix_exact() instead of pci_enable_msix() 2014-04-28 11:13:06 +02:00
async_pf.c KVM: async_pf: do not warn on page allocation failures 2016-03-08 12:15:30 +00:00
async_pf.h KVM: Halt vcpu if page it tries to access is swapped out 2011-01-12 11:21:39 +02:00
coalesced_mmio.c KVM: return an error code in kvm_vm_ioctl_register_coalesced_mmio() 2014-01-30 11:56:09 +01:00
coalesced_mmio.h KVM: Make coalesced mmio use a device per zone 2011-09-25 19:17:57 +03:00
eventfd.c KVM: kvm_io_bus_unregister_dev() should never fail 2017-07-18 18:40:22 +01:00
ioapic.c KVM: x86: always exit on EOIs for interrupts listed in the IOAPIC redir table 2014-09-05 16:36:32 -07:00
ioapic.h kvm: make local functions static 2014-01-08 19:02:58 -02:00
iodev.h KVM: remove in_range from io devices 2009-09-10 08:33:05 +03:00
iommu.c kvm: fix excessive pages un-pinning in kvm_iommu_map error path. 2014-11-05 11:43:13 +00:00
irq_comm.c kvm/irqchip: Speed up KVM_SET_GSI_ROUTING 2014-05-05 16:29:11 +02:00
irqchip.c KVM: irqfd: fix NULL pointer dereference in kvm_irq_map_gsi 2016-08-22 22:38:08 +01:00
Kconfig KVM: async_pf: Provide additional direct page notification 2014-01-30 12:51:38 +01:00
kvm_main.c KVM: kvm_io_bus_unregister_dev() should never fail 2017-07-18 18:40:22 +01:00
vfio.c vfio: New external user group/file match 2017-10-12 15:27:55 +01:00