[PATCH v5] KVM: nVMX: Improve I/O exit handling

2013-02-18 Thread Jan Kiszka
From: Jan Kiszka jan.kis...@siemens.com This prevents trapping L2 I/O exits if L1 has neither unconditional nor bitmap-based exiting enabled. Furthermore, it implements I/O bitmap handling. We still exit unconditionally in case the CPU does not provide information for ins/outs. Signed-off-by:

Re: [PATCH v5] KVM: nVMX: Improve I/O exit handling

2013-02-18 Thread Gleb Natapov
On Mon, Feb 18, 2013 at 10:17:14AM +0100, Jan Kiszka wrote: From: Jan Kiszka jan.kis...@siemens.com This prevents trapping L2 I/O exits if L1 has neither unconditional nor bitmap-based exiting enabled. Furthermore, it implements I/O bitmap handling. We still exit unconditionally in case the

Re: [PATCH v5] KVM: nVMX: Improve I/O exit handling

2013-02-18 Thread Jan Kiszka
On 2013-02-18 10:36, Gleb Natapov wrote: On Mon, Feb 18, 2013 at 10:17:14AM +0100, Jan Kiszka wrote: From: Jan Kiszka jan.kis...@siemens.com This prevents trapping L2 I/O exits if L1 has neither unconditional nor bitmap-based exiting enabled. Furthermore, it implements I/O bitmap handling.