Re: [PATCH] KVM/nVMX: Stop mapping the "APIC-access address" page into the kernel

2018-12-03 Thread Raslan, KarimAllah
On Mon, 2018-12-03 at 14:59 +0100, KarimAllah Ahmed wrote: > The "APIC-access address" is simply a token that the hypervisor puts into > the PFN of a 4K EPTE (or PTE if using shadow paging) that triggers APIC > virtualization whenever a page walk terminates with that PFN. This address > has to be

Re: [PATCH] KVM/nVMX: Stop mapping the "APIC-access address" page into the kernel

2018-12-03 Thread Raslan, KarimAllah
On Mon, 2018-12-03 at 14:59 +0100, KarimAllah Ahmed wrote: > The "APIC-access address" is simply a token that the hypervisor puts into > the PFN of a 4K EPTE (or PTE if using shadow paging) that triggers APIC > virtualization whenever a page walk terminates with that PFN. This address > has to be

[PATCH] KVM/nVMX: Stop mapping the "APIC-access address" page into the kernel

2018-12-03 Thread KarimAllah Ahmed
The "APIC-access address" is simply a token that the hypervisor puts into the PFN of a 4K EPTE (or PTE if using shadow paging) that triggers APIC virtualization whenever a page walk terminates with that PFN. This address has to be a legal address (i.e. within the physical address supported by the

[PATCH] KVM/nVMX: Stop mapping the "APIC-access address" page into the kernel

2018-12-03 Thread KarimAllah Ahmed
The "APIC-access address" is simply a token that the hypervisor puts into the PFN of a 4K EPTE (or PTE if using shadow paging) that triggers APIC virtualization whenever a page walk terminates with that PFN. This address has to be a legal address (i.e. within the physical address supported by the