Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Miscellaneous fixes and feature enablement (many)
* SEV refactoring (David)
* Hyper-V initial support (Jon)
* i386 TCG fixes (x87 and SSE, Joseph)
* vmport cleanup and improvements (Philippe, Liran)
* Use-after-free with vCPU hot-unplug (Nengyuan)
* run-coverity-scan improvements (myself)
* Record/replay fixes (Pavel)
* -machine kernel_irqchip=split improvements for INTx (Peter)
* Code cleanups (Philippe)
* Crash and security fixes (PJP)
* HVF cleanups (Roman)

# gpg: Signature made Fri 12 Jun 2020 16:57:04 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (116 commits)
  target/i386: Remove obsolete TODO file
  stubs: move Xen stubs to accel/
  replay: fix replay shutdown for console mode
  exec/cpu-common: Move MUSB specific typedefs to 'hw/usb/hcd-musb.h'
  hw/usb: Move device-specific declarations to new 'hcd-musb.h' header
  exec/memory: Remove unused MemoryRegionMmio type
  checkpatch: reversed logic with acpi test checks
  target/i386: sev: Unify SEVState and SevGuestState
  target/i386: sev: Remove redundant handle field
  target/i386: sev: Remove redundant policy field
  target/i386: sev: Remove redundant cbitpos and reduced_phys_bits fields
  target/i386: sev: Partial cleanup to sev_state global
  target/i386: sev: Embed SEVState in SevGuestState
  target/i386: sev: Rename QSevGuestInfo
  target/i386: sev: Move local structure definitions into .c file
  target/i386: sev: Remove unused QSevGuestInfoClass
  xen: fix build without pci passthrough
  i386: hvf: Drop HVFX86EmulatorState
  i386: hvf: Move mmio_buf into CPUX86State
  i386: hvf: Move lazy_flags into CPUX86State
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	hw/i386/acpi-build.c

1 files changed, 19 insertions, 0 deletions

diff --git a/hw/intc/ioapic.c b/hw/intc/ioapic.c
index ffe30dc457..bca71b5934 100644
--- a/hw/intc/ioapic.c
+++ b/hw/intc/ioapic.c
@@ -241,6 +241,25 @@ void ioapic_eoi_broadcast(int vector)
                 continue;
             }
 
+#ifdef CONFIG_KVM
+            /*
+             * When IOAPIC is in the userspace while APIC is still in
+             * the kernel (i.e., split irqchip), we have a trick to
+             * kick the resamplefd logic for registered irqfds from
+             * userspace to deactivate the IRQ.  When that happens, it
+             * means the irq bypassed userspace IOAPIC (so the irr and
+             * remote-irr of the table entry should be bypassed too
+             * even if interrupt come).  Still kick the resamplefds if
+             * they're bound to the IRQ, to make sure to EOI the
+             * interrupt for the hardware correctly.
+             *
+             * Note: We still need to go through the irr & remote-irr
+             * operations below because we don't know whether there're
+             * emulated devices that are using/sharing the same IRQ.
+             */
+            kvm_resample_fd_notify(n);
+#endif
+
             if (!(entry & IOAPIC_LVT_REMOTE_IRR)) {
                 continue;
             }