Re: [PATCH] KVM: nVMX: Fix IRQs inject to L2 which belong to L1 since race

Paolo Bonzini
2014-07-04T09:38:10Z

Il 04/07/2014 11:33, Jan Kiszka ha scritto:
>
> The compiler is not aware of the fact that push/pop exists in this
> function and, thus, places the vmcs parameter on the stack without
> reserving the space. So the pushfq will overwrite the vmcs pointer and
> let the function fail.

Is that just a missing "memory" clobber? push/pop clobbers memory.

Paolo