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authorChristoffer Dall <christoffer.dall@linaro.org>2014-10-02 22:22:54 +0200
committerChristoffer Dall <christoffer.dall@linaro.org>2014-10-02 22:22:54 +0200
commit0c226cbe862216a44597556ab2ada3b69566ec64 (patch)
tree5c6fd8352500d9ea731ea929c857fad793ac645d /virt
parentaf76da6591d9716f687dce16be2948442323c133 (diff)
KVM: Give IRQFD its own separate enabling Kconfig option
Currently, the IRQFD code is conditional on CONFIG_HAVE_KVM_IRQ_ROUTING. So that we can have the IRQFD code compiled in without having the IRQ routing code, this creates a new CONFIG_HAVE_KVM_IRQFD, makes the IRQFD code conditional on it instead of CONFIG_HAVE_KVM_IRQ_ROUTING, and makes all the platforms that currently select HAVE_KVM_IRQ_ROUTING also select HAVE_KVM_IRQFD. Signed-off-by: Paul Mackerras <paulus@samba.org> Tested-by: Eric Auger <eric.auger@linaro.org> Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> (cherry picked from commit 297e21053a52f060944e9f0de4c64fad9bcd72fc) Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/Kconfig3
-rw-r--r--virt/kvm/eventfd.c6
-rw-r--r--virt/kvm/kvm_main.c2
3 files changed, 7 insertions, 4 deletions
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index 13f2d19793e3..fc0c5e603eb4 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
@@ -6,6 +6,9 @@ config HAVE_KVM
config HAVE_KVM_IRQCHIP
bool
+config HAVE_KVM_IRQFD
+ bool
+
config HAVE_KVM_IRQ_ROUTING
bool
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 6e0a4e6794f4..d36ada5e16bb 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -39,7 +39,7 @@
#include "irq.h"
#include "iodev.h"
-#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
+#ifdef CONFIG_HAVE_KVM_IRQFD
/*
* --------------------------------------------------------------------
* irqfd: Allows an fd to be used to inject an interrupt to the guest
@@ -450,7 +450,7 @@ out:
void
kvm_eventfd_init(struct kvm *kvm)
{
-#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
+#ifdef CONFIG_HAVE_KVM_IRQFD
spin_lock_init(&kvm->irqfds.lock);
INIT_LIST_HEAD(&kvm->irqfds.items);
INIT_LIST_HEAD(&kvm->irqfds.resampler_list);
@@ -459,7 +459,7 @@ kvm_eventfd_init(struct kvm *kvm)
INIT_LIST_HEAD(&kvm->ioeventfds);
}
-#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
+#ifdef CONFIG_HAVE_KVM_IRQFD
/*
* shutdown any irqfd's that match fd+gsi
*/
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 9e99bfb10ba4..da1806834645 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2334,7 +2334,7 @@ static long kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
#ifdef CONFIG_HAVE_KVM_MSI
case KVM_CAP_SIGNAL_MSI:
#endif
-#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
+#ifdef CONFIG_HAVE_KVM_IRQFD
case KVM_CAP_IRQFD_RESAMPLE:
#endif
case KVM_CAP_CHECK_EXTENSION_VM: