Messages in this thread | | | Date | Fri, 04 Jul 2014 11:38:10 +0200 | From | Paolo Bonzini <> | Subject | Re: [PATCH] KVM: nVMX: Fix IRQs inject to L2 which belong to L1 since race |
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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
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