Re: [PATCH 1/4] KVM: nVMX: Fix vmx_check_nested_events() return value in case an event was reinjected to L2

["Radim Krčmář" <rkrcmar@redhat.com>]

2017-11-05 16:07+0200, Liran Alon:
> vmx_check_nested_events() should return -EBUSY only in case there is a
> pending L1 event which requires a VMExit from L2 to L1 but such a
> VMExit is currently blocked. Such VMExits are blocked either
> because nested_run_pending=1 or an event was reinjected to L2.
> vmx_check_nested_events() should return 0 in case there are no
> pending L1 events which requires a VMExit from L2 to L1 or if
> a VMExit from L2 to L1 was done internally.
> 
> However, upstream commit which introduced blocking in case an event was
> reinjected to L2 (commit acc9ab601327 ("KVM: nVMX: Fix pending events
> injection")) contains a bug: It returns -EBUSY even if there are no
> pending L1 events which requires VMExit from L2 to L1.
> 
> This commit fix this issue.
> 
> Fixes: acc9ab601327 ("KVM: nVMX: Fix pending events injection")
> 
> Signed-off-by: Liran Alon <liran.alon@oracle.com>
> Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> ---

Applied, thanks.