Re: [Xen-devel] [PATCH 2/2] xen: before ballooning hotplugged memory, set frames to invalid

2015-03-19 Thread David Vrabel
On 19/03/15 17:19, Juergen Gross wrote: > On 03/19/2015 05:18 PM, David Vrabel wrote: >> On 19/03/15 14:31, Juergen Gross wrote: >>> Commit 25b884a83d487fd62c3de7ac1ab5549979188482 ("x86/xen: set >>> regions above the end of RAM as 1:1") introduced a regression. >>> >>> To be able to add memory

Re: [Xen-devel] [PATCH 2/2] xen: before ballooning hotplugged memory, set frames to invalid

2015-03-19 Thread Juergen Gross
On 03/19/2015 05:18 PM, David Vrabel wrote: On 19/03/15 14:31, Juergen Gross wrote: Commit 25b884a83d487fd62c3de7ac1ab5549979188482 ("x86/xen: set regions above the end of RAM as 1:1") introduced a regression. To be able to add memory pages which were added via memory hotplug to a pv domain,

Re: [Xen-devel] [PATCH 2/2] xen: before ballooning hotplugged memory, set frames to invalid

2015-03-19 Thread David Vrabel
On 19/03/15 14:31, Juergen Gross wrote: > Commit 25b884a83d487fd62c3de7ac1ab5549979188482 ("x86/xen: set > regions above the end of RAM as 1:1") introduced a regression. > > To be able to add memory pages which were added via memory hotplug to > a pv domain, the pages must be "invalid" instead of

Re: [Xen-devel] [PATCH 2/2] xen: before ballooning hotplugged memory, set frames to invalid

2015-03-19 Thread David Vrabel
On 19/03/15 17:19, Juergen Gross wrote: On 03/19/2015 05:18 PM, David Vrabel wrote: On 19/03/15 14:31, Juergen Gross wrote: Commit 25b884a83d487fd62c3de7ac1ab5549979188482 (x86/xen: set regions above the end of RAM as 1:1) introduced a regression. To be able to add memory pages which were

Re: [Xen-devel] [PATCH 2/2] xen: before ballooning hotplugged memory, set frames to invalid

2015-03-19 Thread Juergen Gross
On 03/19/2015 05:18 PM, David Vrabel wrote: On 19/03/15 14:31, Juergen Gross wrote: Commit 25b884a83d487fd62c3de7ac1ab5549979188482 (x86/xen: set regions above the end of RAM as 1:1) introduced a regression. To be able to add memory pages which were added via memory hotplug to a pv domain, the

Re: [Xen-devel] [PATCH 2/2] xen: before ballooning hotplugged memory, set frames to invalid

2015-03-19 Thread David Vrabel
On 19/03/15 14:31, Juergen Gross wrote: Commit 25b884a83d487fd62c3de7ac1ab5549979188482 (x86/xen: set regions above the end of RAM as 1:1) introduced a regression. To be able to add memory pages which were added via memory hotplug to a pv domain, the pages must be invalid instead of identity