Re: [Xen-devel] [RFC PATCH 48/49] ARM: allocate two pages for struct vcpu

2018-02-19 Thread Julien Grall
Hi, On 09/02/18 14:39, Andre Przywara wrote: At the moment we allocate exactly one page for struct vcpu on ARM, also have a check in place to prevent it growing beyond 4KB. As the struct includes the state of all 32 private (per-VCPU) interrupts, we are at 3840 bytes on arm64 at the moment alrea

[Xen-devel] [RFC PATCH 48/49] ARM: allocate two pages for struct vcpu

2018-02-09 Thread Andre Przywara
At the moment we allocate exactly one page for struct vcpu on ARM, also have a check in place to prevent it growing beyond 4KB. As the struct includes the state of all 32 private (per-VCPU) interrupts, we are at 3840 bytes on arm64 at the moment already. Growing the per-IRQ VGIC structure even slig