Re: [Qemu-devel] [PATCH] ivshmem: use irqfd to interrupt among VMs

2012-11-22 Thread Jan Kiszka
On 2012-11-22 03:48, liu ping fan wrote: On Wed, Nov 21, 2012 at 8:43 PM, Jan Kiszka jan.kis...@siemens.com wrote: On 2012-11-21 07:02, Liu Ping Fan wrote: From: Liu Ping Fan pingf...@linux.vnet.ibm.com Using irqfd, so we can avoid switch between kernel and user when VMs interrupts each

Re: [Qemu-devel] [PATCH] ivshmem: use irqfd to interrupt among VMs

2012-11-22 Thread liu ping fan
On Thu, Nov 22, 2012 at 7:40 PM, Jan Kiszka jan.kis...@siemens.com wrote: On 2012-11-22 03:48, liu ping fan wrote: On Wed, Nov 21, 2012 at 8:43 PM, Jan Kiszka jan.kis...@siemens.com wrote: On 2012-11-21 07:02, Liu Ping Fan wrote: [...] +static int ivshmem_vector_use(PCIDevice *dev, unsigned

Re: [Qemu-devel] [PATCH] ivshmem: use irqfd to interrupt among VMs

2012-11-21 Thread Jan Kiszka
On 2012-11-21 07:02, Liu Ping Fan wrote: From: Liu Ping Fan pingf...@linux.vnet.ibm.com Using irqfd, so we can avoid switch between kernel and user when VMs interrupts each other. Signed-off-by: Liu Ping Fan pingf...@linux.vnet.ibm.com --- hw/ivshmem.c | 48

Re: [Qemu-devel] [PATCH] ivshmem: use irqfd to interrupt among VMs

2012-11-21 Thread liu ping fan
On Wed, Nov 21, 2012 at 8:43 PM, Jan Kiszka jan.kis...@siemens.com wrote: On 2012-11-21 07:02, Liu Ping Fan wrote: From: Liu Ping Fan pingf...@linux.vnet.ibm.com Using irqfd, so we can avoid switch between kernel and user when VMs interrupts each other. Signed-off-by: Liu Ping Fan

[Qemu-devel] [PATCH] ivshmem: use irqfd to interrupt among VMs

2012-11-20 Thread Liu Ping Fan
From: Liu Ping Fan pingf...@linux.vnet.ibm.com Using irqfd, so we can avoid switch between kernel and user when VMs interrupts each other. Signed-off-by: Liu Ping Fan pingf...@linux.vnet.ibm.com --- hw/ivshmem.c | 48 +++- 1 files changed, 47