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

2015-07-20 Thread Juergen Gross
On 07/20/2015 12:15 PM, David Vrabel wrote: On 10/07/15 15:42, 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 page

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

2015-07-20 Thread David Vrabel
On 10/07/15 15:42, 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

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

2015-07-10 Thread Boris Ostrovsky
On 07/10/2015 10:42 AM, 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 by r

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

2015-07-10 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