Tang,
I am sorry if I caused any confusion.
Following Gleb response, there is no apparent need for dealing with the
scenario I mentioned (relocating the APIC base), so you don't need to do
any changes to your patch, and I will post another patch later to warn
if the guest relocates its APIC
Hi Wanpeng,
On 07/07/2014 06:35 PM, Wanpeng Li wrote:
On Wed, Jul 02, 2014 at 05:00:37PM +0800, Tang Chen wrote:
apic access page is pinned in memory, and as a result it cannot be
migrated/hot-removed.
Actually it doesn't need to be pinned in memory.
This patch introduces a new vcpu request:
Hi Gleb,
Thanks for all the advices. Please see below.
On 07/04/2014 06:13 PM, Gleb Natapov wrote:
..
+static void vmx_set_apic_access_page_addr(struct kvm *kvm, hpa_t hpa)
+{
+ if (vm_need_virtualize_apic_accesses(kvm))
This shouldn't even been called if apic access page is not
Hi Gleb,
The guest hang problem has been solved.
When mmu_notifier is called, I set VMCS APIC_ACCESS_ADDR to the new value
instead of setting it to 0. And only update kvm-arch.apic_access_page in
the next ept violation.
The guest is running well now.
I'll post the new patches tomorrow. ;)
On Wed, Jul 02, 2014 at 05:00:37PM +0800, Tang Chen wrote:
apic access page is pinned in memory, and as a result it cannot be
migrated/hot-removed.
Actually it doesn't need to be pinned in memory.
This patch introduces a new vcpu request: KVM_REQ_MIGRATE_EPT. This requet
Tang,
Running some (unrelated) tests I see that KVM does not handle APIC base
relocation correctly. When the base is changed, kvm_lapic_set_base just
changes lapic-base_address without taking further action (i.e.,
modifying the VMCS apic address in VMX).
This patch follows KVM bad behavior
On Mon, Jul 07, 2014 at 02:42:27PM +0300, Nadav Amit wrote:
Tang,
Running some (unrelated) tests I see that KVM does not handle APIC base
relocation correctly. When the base is changed, kvm_lapic_set_base just
changes lapic-base_address without taking further action (i.e., modifying
the
On 7/7/14, 2:54 PM, Gleb Natapov wrote:
On Mon, Jul 07, 2014 at 02:42:27PM +0300, Nadav Amit wrote:
Tang,
Running some (unrelated) tests I see that KVM does not handle APIC base
relocation correctly. When the base is changed, kvm_lapic_set_base just
changes lapic-base_address without taking
On Mon, Jul 07, 2014 at 03:10:23PM +0300, Nadav Amit wrote:
On 7/7/14, 2:54 PM, Gleb Natapov wrote:
On Mon, Jul 07, 2014 at 02:42:27PM +0300, Nadav Amit wrote:
Tang,
Running some (unrelated) tests I see that KVM does not handle APIC base
relocation correctly. When the base is changed,
Hi Nadav,
Thanks for the reply, please see below.
On 07/07/2014 08:10 PM, Nadav Amit wrote:
On 7/7/14, 2:54 PM, Gleb Natapov wrote:
On Mon, Jul 07, 2014 at 02:42:27PM +0300, Nadav Amit wrote:
Tang,
Running some (unrelated) tests I see that KVM does not handle APIC base
relocation correctly.
On Fri, Jul 04, 2014 at 10:18:25AM +0800, Tang Chen wrote:
Hi Gleb,
Thanks for the advices. Please see below.
On 07/03/2014 09:55 PM, Gleb Natapov wrote:
..
@@ -575,6 +575,7 @@ struct kvm_arch {
unsigned int tss_addr;
struct page *apic_access_page;
+ bool
On Wed, Jul 02, 2014 at 05:00:37PM +0800, Tang Chen wrote:
apic access page is pinned in memory, and as a result it cannot be
migrated/hot-removed.
Actually it doesn't need to be pinned in memory.
This patch introduces a new vcpu request: KVM_REQ_MIGRATE_EPT. This requet
will be made when
Hi Gleb,
Thanks for the advices. Please see below.
On 07/03/2014 09:55 PM, Gleb Natapov wrote:
..
@@ -575,6 +575,7 @@ struct kvm_arch {
unsigned int tss_addr;
struct page *apic_access_page;
+ bool apic_access_page_migrated;
Better have two requests
Hi Gleb,
Thanks for the advices. Please see below.
On 07/03/2014 09:55 PM, Gleb Natapov wrote:
..
@@ -575,6 +575,7 @@ struct kvm_arch {
unsigned int tss_addr;
struct page *apic_access_page;
+ bool apic_access_page_migrated;
Better have two requests
apic access page is pinned in memory, and as a result it cannot be
migrated/hot-removed.
Actually it doesn't need to be pinned in memory.
This patch introduces a new vcpu request: KVM_REQ_MIGRATE_EPT. This requet
will be made when kvm_mmu_notifier_invalidate_page() is called when the page
is
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