Re: [PATCH v2] x86/xen: fix balloon target initialization for PVH dom0

2025-04-05 Thread kernel test robot
Hi Roger, kernel test robot noticed the following build errors: [auto build test ERROR on xen-tip/linux-next] [also build test ERROR on tip/x86/core linus/master v6.14 next-20250404] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to u

Re: [PATCH v2] x86/xen: fix balloon target initialization for PVH dom0

2025-04-05 Thread kernel test robot
Hi Roger, kernel test robot noticed the following build errors: [auto build test ERROR on xen-tip/linux-next] [also build test ERROR on tip/x86/core linus/master v6.14 next-20250404] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to u

Re: [PATCH v2] x86/xen: fix balloon target initialization for PVH dom0

2025-04-04 Thread Jürgen Groß
On 04.04.25 20:20, Dave Hansen wrote: On 4/4/25 06:34, Roger Pau Monne wrote: Much like a6aa4eb994ee, the code in this changeset should have been part of 38620fc4e893. Fixes: a6aa4eb994ee ('xen/x86: add extra pages to unpopulated-alloc if available') Signed-off-by: Roger Pau Monné I don't s

Re: [PATCH v2] x86/xen: fix balloon target initialization for PVH dom0

2025-04-04 Thread Dave Hansen
On 4/4/25 06:34, Roger Pau Monne wrote: > Much like a6aa4eb994ee, the code in this changeset should have been part of > 38620fc4e893. > > Fixes: a6aa4eb994ee ('xen/x86: add extra pages to unpopulated-alloc if > available') > Signed-off-by: Roger Pau Monné I don't see a cc:stable@ on there. Was

Re: [PATCH v2] x86/xen: fix balloon target initialization for PVH dom0

2025-04-04 Thread Jürgen Groß
On 04.04.25 15:34, Roger Pau Monne wrote: PVH dom0 re-uses logic from PV dom0, in which RAM ranges not assigned to dom0 are re-used as scratch memory to map foreign and grant pages. Such logic relies on reporting those unpopulated ranges as RAM to Linux, and mark them as reserved. This way Linu