Re: [Qemu-devel] [PATCH 1/5] memory: add ref/unref interface for MemroyRegionOps

2013-04-11 Thread Stefan Hajnoczi
On Mon, Apr 01, 2013 at 04:20:30PM +0800, Liu Ping Fan wrote: From: Liu Ping Fan pingf...@linux.vnet.ibm.com This pair of interface are optinal, except for those device which is used outside the biglock's protection for hot unplug. Not sure if this comment is true. Memory unplug safety is

Re: [Qemu-devel] [PATCH 1/5] memory: add ref/unref interface for MemroyRegionOps

2013-04-11 Thread liu ping fan
On Thu, Apr 11, 2013 at 5:49 PM, Stefan Hajnoczi stefa...@gmail.com wrote: On Mon, Apr 01, 2013 at 04:20:30PM +0800, Liu Ping Fan wrote: From: Liu Ping Fan pingf...@linux.vnet.ibm.com This pair of interface are optinal, except for those device which is used outside the biglock's protection

[Qemu-devel] [PATCH 1/5] memory: add ref/unref interface for MemroyRegionOps

2013-04-01 Thread Liu Ping Fan
From: Liu Ping Fan pingf...@linux.vnet.ibm.com This pair of interface are optinal, except for those device which is used outside the biglock's protection for hot unplug. Currently, HostMem used by virtio-blk dataplane is outside biglock, so the RAM device should implement this. Signed-off-by: