Re: [Xen-devel] [Patch V2] xen: release lock occasionally during ballooning

2015-07-20 Thread David Vrabel
On 20/07/15 12:49, Juergen Gross wrote: > When dom0 is being ballooned balloon_process() will hold the balloon > mutex until it is finished. This will block e.g. creation of new > domains as the device backends for the new domain need some > autoballooned pages for the ring buffers. > > Avoid this

[Xen-devel] [Patch V2] xen: release lock occasionally during ballooning

2015-07-20 Thread Juergen Gross
When dom0 is being ballooned balloon_process() will hold the balloon mutex until it is finished. This will block e.g. creation of new domains as the device backends for the new domain need some autoballooned pages for the ring buffers. Avoid this by releasing the balloon mutex from time to time du

Re: [Xen-devel] [Patch V2] xen: release lock occasionally during ballooning

2015-07-20 Thread Juergen Gross
Please ignore, forgot stg refresh... Juergen On 07/20/2015 01:46 PM, Juergen Gross wrote: When dom0 is being ballooned balloon_process() will hold the balloon mutex until it is finished. This will block e.g. creation of new domains as the device backends for the new domain need some autoballoon

[Xen-devel] [Patch V2] xen: release lock occasionally during ballooning

2015-07-20 Thread Juergen Gross
When dom0 is being ballooned balloon_process() will hold the balloon mutex until it is finished. This will block e.g. creation of new domains as the device backends for the new domain need some autoballooned pages for the ring buffers. Avoid this by releasing the balloon mutex from time to time du