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| author | Sridhar Samudrala <sri@us.ibm.com> | 2010-03-30 16:48:25 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-26 07:48:05 -0700 |
| commit | 00e7035cabdd49657b80b4e0b6995310dc198847 (patch) | |
| tree | df97b1ce797075bd7675b0f1cfaa5f4251d29c6c /include | |
| parent | ff5bfd4f4896c3f27dafcc4ae533b0d803968499 (diff) | |
| download | lwn-00e7035cabdd49657b80b4e0b6995310dc198847.tar.gz lwn-00e7035cabdd49657b80b4e0b6995310dc198847.zip | |
KVM: Increase NR_IOBUS_DEVS limit to 200
(Cherry-picked from commit e80e2a60ff7914dae691345a976c80bbbff3ec74)
This patch increases the current hardcoded limit of NR_IOBUS_DEVS
from 6 to 200. We are hitting this limit when creating a guest with more
than 1 virtio-net device using vhost-net backend. Each virtio-net
device requires 2 such devices to service notifications from rx/tx queues.
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/kvm_host.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index ddb7d5840de8..1fe293e98a08 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -53,7 +53,7 @@ extern struct kmem_cache *kvm_vcpu_cache; */ struct kvm_io_bus { int dev_count; -#define NR_IOBUS_DEVS 6 +#define NR_IOBUS_DEVS 200 struct kvm_io_device *devs[NR_IOBUS_DEVS]; }; |