x86 has not had support for async ioctls.
This patch adds an arch implementation, but does not add any of the
ioctls just yet.
Signed-off-by: Nikita Kalyazin <kalyazin@xxxxxxxxxx>
---
arch/x86/kvm/Kconfig | 1 +
arch/x86/kvm/x86.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index ebd1ec6600bc..191dfba3e27a 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -46,6 +46,7 @@ config KVM
select KVM_GENERIC_HARDWARE_ENABLING
select KVM_WERROR if WERROR
select KVM_USERFAULT
+ select HAVE_KVM_VCPU_ASYNC_IOCTL
help
Support hosting fully virtualized guest machines using hardware
virtualization extensions. You will need a fairly recent
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index ba0ad76f53bc..800493739043 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -13619,6 +13619,12 @@ void kvm_arch_gmem_invalidate(kvm_pfn_t start, kvm_pfn_t end)
}
#endif
+long kvm_arch_vcpu_async_ioctl(struct file *filp,
+ unsigned int ioctl, unsigned long arg)
+{
+ return -ENOIOCTLCMD;
+}
+
int kvm_spec_ctrl_test_value(u64 value)
{
/*
--
2.40.1
