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Steve Rutherford 7543a635aa KVM: x86: Add KVM exit for IOAPIC EOIs 
Adds KVM_EXIT_IOAPIC_EOI which allows the kernel to EOI
level-triggered IOAPIC interrupts.

Uses a per VCPU exit bitmap to decide whether or not the IOAPIC needs
to be informed (which is identical to the EOI_EXIT_BITMAP field used
by modern x86 processors, but can also be used to elide kvm IOAPIC EOI
exits on older processors).

[Note: A prototype using ResampleFDs found that decoupling the EOI
from the VCPU's thread made it possible for the VCPU to not see a
recent EOI after reentering the guest. This does not match real
hardware.]

Compile tested for Intel x86.

Signed-off-by: Steve Rutherford <srutherford@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-10-01 15:06:27 +02:00
..
alpha PCI updates for v4.3: 2015-09-25 11:16:53 -07:00
arc genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
arm Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-09-27 06:48:48 -04:00
arm64 AMD fixes for bugs introduced in the 4.2 merge window, 2015-09-25 10:51:40 -07:00
avr32 genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
blackfin genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
c6x genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
cris CRISv10: delete unused lib/dmacopy.c 2015-09-05 00:56:51 +02:00
frv PCI: Revert "PCI: Call pci_read_bridge_bases() from core instead of arch code" 2015-09-15 13:18:04 -05:00
h8300 dma-mapping: consolidate dma_set_mask 2015-09-10 13:29:01 -07:00
hexagon Merge branch 'akpm' (patches from Andrew) 2015-09-10 18:19:42 -07:00
ia64 PCI updates for v4.3: 2015-09-25 11:16:53 -07:00
m32r lib/decompressors: use real out buf size for gunzip with kernel 2015-09-10 13:29:01 -07:00
m68k genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
metag genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
microblaze PCI: Revert "PCI: Call pci_read_bridge_bases() from core instead of arch code" 2015-09-15 13:18:04 -05:00
mips PCI updates for v4.3: 2015-09-25 11:16:53 -07:00
mn10300 PCI: Revert "PCI: Call pci_read_bridge_bases() from core instead of arch code" 2015-09-15 13:18:04 -05:00
nios2 nios2: add Max10 defconfig 2015-09-08 18:16:02 +08:00
openrisc dma-mapping: consolidate dma_set_mask 2015-09-10 13:29:01 -07:00
parisc parisc: Use platform_device_register_simple("rtc-generic") 2015-09-08 17:53:48 +02:00
powerpc PCI updates for v4.3: 2015-09-25 11:16:53 -07:00
s390 AMD fixes for bugs introduced in the 4.2 merge window, 2015-09-25 10:51:40 -07:00
score Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-01 14:04:50 -07:00
sh genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
sparc genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
tile genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
um Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-01 14:04:50 -07:00
unicore32 genirq: Remove irq argument from irq flow handlers 2015-09-16 15:47:51 +02:00
x86 KVM: x86: Add KVM exit for IOAPIC EOIs 2015-10-01 15:06:27 +02:00
xtensa PCI: Revert "PCI: Call pci_read_bridge_bases() from core instead of arch code" 2015-09-15 13:18:04 -05:00
.gitignore
Kconfig kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00