On Fri, Sep 13, 2013 at 03:55:58PM +0200, Paolo Bonzini wrote:
The data in leaf 0Dh depends on information from other feature bits.
Instead of passing it blindly from the host, compute it based on
whether these feature bits are enabled.
Signed-off-by: Paolo Bonzini pbonz...@redhat.com
---
On Mon, Sep 23, 2013 at 06:06:46PM -0600, David Ahern wrote:
[Added Gleb and kvm list]
Sorry for the late answer.
On 9/23/13 9:53 AM, William Cohen wrote:
Hi All,
I was curious to see how well (or poorly) perf events work in a
virtualizated environment. As a little experiment I have
On Wed, Oct 02, 2013 at 05:37:31PM +0200, Paolo Bonzini wrote:
Il 02/10/2013 17:21, Gleb Natapov ha scritto:
-if (kvm_enabled()) {
-KVMState *s = cs-kvm_state;
+kvm_mask =
+kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EAX) |
+((uint64_t
On Wed, Oct 02, 2013 at 05:54:57PM +0200, Paolo Bonzini wrote:
The data in leaf 0Dh depends on information from other feature bits.
Instead of passing it blindly from the host, compute it based on
whether these feature bits are enabled.
Applied both. Thanks.
Signed-off-by: Paolo Bonzini
On Wed, Oct 02, 2013 at 01:14:57PM -0700, Olof Johansson wrote:
Paolo,
On Wed, Sep 25, 2013 at 2:49 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 24/09/2013 21:49, Christoffer Dall ha scritto:
The following changes since commit
62d228b8c676232eca579f91cc0782b060a59097:
Merge
On Thu, Oct 03, 2013 at 08:02:20AM +1000, Benjamin Herrenschmidt wrote:
On Wed, 2013-10-02 at 13:02 +0300, Gleb Natapov wrote:
Yes, I alluded to it in my email to Paul and Paolo asked also. How this
interface is disabled? Also hwrnd is MMIO in a host why guest needs to
use hypercall
On Thu, Oct 03, 2013 at 08:45:42AM +1000, Paul Mackerras wrote:
On Wed, Oct 02, 2013 at 04:36:05PM +0200, Alexander Graf wrote:
On 02.10.2013, at 16:33, Paolo Bonzini wrote:
Il 02/10/2013 16:08, Alexander Graf ha scritto:
The hwrng is accessible by host userspace via /dev/mem.
On Wed, Oct 02, 2013 at 11:50:50AM +0200, Alexander Graf wrote:
On 02.10.2013, at 11:11, Alexander Graf wrote:
On 02.10.2013, at 11:06, Benjamin Herrenschmidt wrote:
On Wed, 2013-10-02 at 10:46 +0200, Paolo Bonzini wrote:
Thanks. Any chance you can give some numbers of a
On Wed, Oct 02, 2013 at 11:57:55PM +1000, Michael Ellerman wrote:
On Wed, 2013-10-02 at 13:02 +0300, Gleb Natapov wrote:
On Wed, Oct 02, 2013 at 11:50:50AM +0200, Alexander Graf wrote:
On 02.10.2013, at 11:11, Alexander Graf wrote:
So how do you solve live migration between
On Wed, Oct 02, 2013 at 04:33:18PM +0200, Paolo Bonzini wrote:
Il 02/10/2013 16:08, Alexander Graf ha scritto:
The hwrng is accessible by host userspace via /dev/mem.
A guest should live on the same permission level as a user space
application. If you run QEMU as UID 1000 without access
On Thu, Oct 03, 2013 at 08:02:20AM +1000, Benjamin Herrenschmidt wrote:
On Wed, 2013-10-02 at 13:02 +0300, Gleb Natapov wrote:
Yes, I alluded to it in my email to Paul and Paolo asked also. How this
interface is disabled? Also hwrnd is MMIO in a host why guest needs to
use hypercall
On Thu, Oct 03, 2013 at 08:45:42AM +1000, Paul Mackerras wrote:
On Wed, Oct 02, 2013 at 04:36:05PM +0200, Alexander Graf wrote:
On 02.10.2013, at 16:33, Paolo Bonzini wrote:
Il 02/10/2013 16:08, Alexander Graf ha scritto:
The hwrng is accessible by host userspace via /dev/mem.
On Tue, Oct 01, 2013 at 06:34:26PM +1000, Michael Ellerman wrote:
On Thu, Sep 26, 2013 at 11:06:59AM +0200, Paolo Bonzini wrote:
Il 26/09/2013 08:31, Michael Ellerman ha scritto:
Some powernv systems include a hwrng. Guests can access it via the
H_RANDOM hcall.
Is there any reason to
changes up to bcd1c2949501869631b25fd62d8df5079677a101:
KVM: VMX: do not check bit 12 of EPT violation exit qualification when
undefined (2013-09-25 11:38:26 +0200)
Gleb Natapov (1):
KVM: VMX: do not check bit 12 of EPT
On Mon, Sep 30, 2013 at 04:11:18PM -0400, Chris Metcalf wrote:
On 9/10/2013 6:53 AM, Gleb Natapov wrote:
On Wed, Aug 28, 2013 at 03:45:50PM -0400, Chris Metcalf wrote:
This commit enables the host side of KVM support for tilegx.
[...]
The commit adds a KVM_EXIT_xxx code
gfn_to_memslot() can return NULL or invalid slot. We need to check slot
validity before accessing it.
Signed-off-by: Gleb Natapov g...@redhat.com
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 979bff4..a9dd682 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1064,10
On Tue, Oct 01, 2013 at 06:34:26PM +1000, Michael Ellerman wrote:
On Thu, Sep 26, 2013 at 11:06:59AM +0200, Paolo Bonzini wrote:
Il 26/09/2013 08:31, Michael Ellerman ha scritto:
Some powernv systems include a hwrng. Guests can access it via the
H_RANDOM hcall.
Is there any reason to
On Tue, Oct 01, 2013 at 07:23:20PM +1000, Paul Mackerras wrote:
On Tue, Oct 01, 2013 at 11:39:08AM +0300, Gleb Natapov wrote:
On Tue, Oct 01, 2013 at 06:34:26PM +1000, Michael Ellerman wrote:
On Thu, Sep 26, 2013 at 11:06:59AM +0200, Paolo Bonzini wrote:
Il 26/09/2013 08:31, Michael
On Sun, Sep 29, 2013 at 09:55:59AM -0600, Alex Williamson wrote:
On Sun, 2013-09-29 at 17:44 +0300, Gleb Natapov wrote:
On Sun, Sep 29, 2013 at 07:52:28AM -0600, Alex Williamson wrote:
On Sun, 2013-09-29 at 16:16 +0300, Gleb Natapov wrote:
On Thu, Sep 12, 2013 at 03:23:15PM -0600, Alex
On Sat, Sep 28, 2013 at 09:06:47PM +0530, Aneesh Kumar K.V wrote:
Paolo Bonzini pbonz...@redhat.com writes:
Il 27/09/2013 15:13, Aneesh Kumar K.V ha scritto:
Alexander Graf ag...@suse.de writes:
On 27.09.2013, at 12:03, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V
On Thu, Sep 26, 2013 at 10:00:59AM +1000, Paul Mackerras wrote:
On Mon, Sep 23, 2013 at 09:34:01PM +0300, Gleb Natapov wrote:
On Mon, Sep 23, 2013 at 09:24:14PM +1000, Paul Mackerras wrote:
On Sun, Sep 22, 2013 at 03:32:53PM +0300, Gleb Natapov wrote:
On Tue, Sep 17, 2013 at 07:18:40PM
On Thu, Sep 26, 2013 at 07:47:33PM +0200, Paolo Bonzini wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Il 26/09/2013 19:19, Jan Kiszka ha scritto:
On 2013-09-26 17:04, Paolo Bonzini wrote:
Il 16/09/2013 10:11, Arthur Chunqi Li ha scritto:
This patch contains the following two
On Thu, Sep 12, 2013 at 03:23:15PM -0600, Alex Williamson wrote:
So far we've succeeded at making KVM and VFIO mostly unaware of each
other, but there's any important point where that breaks down. Intel
VT-d hardware may or may not support snoop control. When snoop
control is available,
On Sun, Sep 29, 2013 at 07:52:28AM -0600, Alex Williamson wrote:
On Sun, 2013-09-29 at 16:16 +0300, Gleb Natapov wrote:
On Thu, Sep 12, 2013 at 03:23:15PM -0600, Alex Williamson wrote:
So far we've succeeded at making KVM and VFIO mostly unaware of each
other, but there's any important
On Sun, Sep 29, 2013 at 08:35:16PM +0530, Aneesh Kumar K.V wrote:
Gleb Natapov g...@redhat.com writes:
On Sat, Sep 28, 2013 at 09:06:47PM +0530, Aneesh Kumar K.V wrote:
Paolo Bonzini pbonz...@redhat.com writes:
Il 27/09/2013 15:13, Aneesh Kumar K.V ha scritto:
Alexander Graf ag
On Sat, Sep 28, 2013 at 09:06:47PM +0530, Aneesh Kumar K.V wrote:
Paolo Bonzini pbonz...@redhat.com writes:
Il 27/09/2013 15:13, Aneesh Kumar K.V ha scritto:
Alexander Graf ag...@suse.de writes:
On 27.09.2013, at 12:03, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V
On Thu, Sep 26, 2013 at 10:00:59AM +1000, Paul Mackerras wrote:
On Mon, Sep 23, 2013 at 09:34:01PM +0300, Gleb Natapov wrote:
On Mon, Sep 23, 2013 at 09:24:14PM +1000, Paul Mackerras wrote:
On Sun, Sep 22, 2013 at 03:32:53PM +0300, Gleb Natapov wrote:
On Tue, Sep 17, 2013 at 07:18:40PM
On Sun, Sep 29, 2013 at 08:35:16PM +0530, Aneesh Kumar K.V wrote:
Gleb Natapov g...@redhat.com writes:
On Sat, Sep 28, 2013 at 09:06:47PM +0530, Aneesh Kumar K.V wrote:
Paolo Bonzini pbonz...@redhat.com writes:
Il 27/09/2013 15:13, Aneesh Kumar K.V ha scritto:
Alexander Graf ag
/guest.c
Christoffer Dall christoffer.d...@linaro.org (supporter:KERNEL VIRTUAL
MA...)
Gleb Natapov g...@redhat.com (supporter:KERNEL VIRTUAL MA...)
Paolo Bonzini pbonz...@redhat.com (supporter:KERNEL VIRTUAL MA...)
Russell King li...@arm.linux.org.uk (maintainer:ARM PORT)
kvm
Bit 12 is undefined in any of the following cases:
- If the NMI exiting VM-execution control is 1 and the virtual NMIs
VM-execution control is 0.
- If the VM exit sets the valid bit in the IDT-vectoring information field
Signed-off-by: Gleb Natapov g...@redhat.com
diff --git a/arch/x86/kvm
so for nested SVM, so here we just use correct function
to requeue exceptions and make sure that reinjected exception is not
moved to IDT_VECTORING_INFO during vmexit emulation and not re-checked
for interception during delivery.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/vmx.c
All exceptions should be checked for intercept during delivery to L2,
but we check only #PF currently. Drop nested_run_pending while we are
at it since exception cannot be injected during vmentry anyway.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/vmx.c | 8 +++-
1 file
This series fixes shadow-on-shadow nested VMX (at least for me).
Gleb Natapov (4):
KVM: nVMX: Amend nested_run_pending logic
KVM: nVMX: Do not put exception that caused vmexit to
IDT_VECTORING_INFO
KVM: nVMX: Check all exceptions for intercept during delivery to L2
KVM: nVMX: Do
specific function to handle page faults during page
table walk that handles this case correctly.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/vmx.c | 20
1 file changed, 20 insertions(+)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 5bfa09d
.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/vmx.c | 26 --
1 file changed, 12 insertions(+), 14 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e6e8fbc..7eb0512 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6742,20
On Wed, Sep 25, 2013 at 12:38:20PM +0200, Paolo Bonzini wrote:
Il 25/09/2013 11:51, Gleb Natapov ha scritto:
All exceptions should be checked for intercept during delivery to L2,
but we check only #PF currently. Drop nested_run_pending while we are
at it since exception cannot be injected
On Wed, Sep 25, 2013 at 01:24:49PM +0200, Paolo Bonzini wrote:
Il 25/09/2013 11:51, Gleb Natapov ha scritto:
If #PF happens during delivery of an exception into L2 and L1 also do
not have the page mapped in its shadow page table then L0 needs to
generate vmexit to L2 with original event
On Wed, Sep 25, 2013 at 01:25:39PM +0200, Paolo Bonzini wrote:
Il 25/09/2013 13:00, Gleb Natapov ha scritto:
@@ -1921,8 +1920,7 @@ static void vmx_queue_exception(struct kvm_vcpu
*vcpu, unsigned nr,
struct vcpu_vmx *vmx = to_vmx(vcpu);
u32 intr_info = nr
On Wed, Sep 25, 2013 at 02:08:09PM +0200, Paolo Bonzini wrote:
Il 25/09/2013 13:51, Gleb Natapov ha scritto:
On Wed, Sep 25, 2013 at 01:24:49PM +0200, Paolo Bonzini wrote:
Il 25/09/2013 11:51, Gleb Natapov ha scritto:
@@ -7773,6 +7787,9 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu
On Wed, Sep 25, 2013 at 03:26:56PM +0200, Paolo Bonzini wrote:
Il 25/09/2013 14:21, Gleb Natapov ha scritto:
On Wed, Sep 25, 2013 at 02:08:09PM +0200, Paolo Bonzini wrote:
Il 25/09/2013 13:51, Gleb Natapov ha scritto:
On Wed, Sep 25, 2013 at 01:24:49PM +0200, Paolo Bonzini wrote:
Il 25/09
On Wed, Sep 25, 2013 at 04:00:16PM +0200, Paolo Bonzini wrote:
Il 25/09/2013 11:51, Gleb Natapov ha scritto:
All exceptions should be checked for intercept during delivery to L2,
but we check only #PF currently. Drop nested_run_pending while we are
at it since exception cannot be injected
On Wed, Sep 25, 2013 at 04:22:48PM +0200, Paolo Bonzini wrote:
Il 25/09/2013 16:19, Gleb Natapov ha scritto:
-static int nested_pf_handled(struct kvm_vcpu *vcpu)
+static int nested_ex_handled(struct kvm_vcpu *vcpu, unsigned nr)
{
struct vmcs12 *vmcs12 = get_vmcs12(vcpu
On Tue, Sep 24, 2013 at 11:57:00AM +0200, Borislav Petkov wrote:
On Mon, September 23, 2013 6:28 pm, Eduardo Habkost wrote:
On Sun, Sep 22, 2013 at 04:44:50PM +0200, Borislav Petkov wrote:
From: Borislav Petkov b...@suse.de
Add a kvm ioctl which states which system functionality kvm
On Mon, Sep 23, 2013 at 03:44:21PM +0200, Paolo Bonzini wrote:
Il 23/09/2013 15:36, Paul Gortmaker ha scritto:
The change is not completely trivial, it splits lock. There is no
obvious problem of course, otherwise you wouldn't send it and I
would ack it :), but it does not mean that the
On Mon, Sep 23, 2013 at 09:24:14PM +1000, Paul Mackerras wrote:
On Sun, Sep 22, 2013 at 03:32:53PM +0300, Gleb Natapov wrote:
On Tue, Sep 17, 2013 at 07:18:40PM +1000, Paul Mackerras wrote:
This implements a simple way to express the case of IRQ routing where
there is one in-kernel PIC
On Mon, Sep 23, 2013 at 09:24:14PM +1000, Paul Mackerras wrote:
On Sun, Sep 22, 2013 at 03:32:53PM +0300, Gleb Natapov wrote:
On Tue, Sep 17, 2013 at 07:18:40PM +1000, Paul Mackerras wrote:
This implements a simple way to express the case of IRQ routing where
there is one in-kernel PIC
part.
Paul, could you please provide your Tested-by?
Reviewed-by: Gleb Natapov g...@redhat.com
But why should it go to stable?
Thanks,
Paolo
Paolo Bonzini (3):
KVM: cleanup (physical) CPU hotplug
KVM: protect kvm_usage_count with its own spinlock
KVM: Convert kvm_lock back
VMX-preemption timer value VM-Exit controls
to nVMX.
With this patch, nested VMX preemption timer features are fully
supported.
Signed-off-by: Arthur Chunqi Li yzt...@gmail.com
Reviewed-by: Gleb Natapov g...@redhat.com
One more if() on vmentry path is unfortunate, but I do not see a way
On Sun, Sep 22, 2013 at 10:53:14AM +0200, Paolo Bonzini wrote:
Il 22/09/2013 09:42, Gleb Natapov ha scritto:
On Mon, Sep 16, 2013 at 04:06:10PM +0200, Paolo Bonzini wrote:
Paul Gortmaker reported a BUG on preempt-rt kernels, due to taking the
mmu_lock within the raw kvm_lock
On Tue, Sep 17, 2013 at 07:18:40PM +1000, Paul Mackerras wrote:
This implements a simple way to express the case of IRQ routing where
there is one in-kernel PIC and the system interrupts (GSIs) are routed
1-1 to the corresponding pins of the PIC. This is expressed by having
kvm-irq_routing ==
On Tue, Sep 17, 2013 at 10:34:28PM +0100, Christoffer Dall wrote:
On Sat, Sep 14, 2013 at 02:10:56PM +0200, Andrew Jones wrote:
Take CONFIG_KVM_MAX_VCPUS from arm32, but set the default to 8.
Signed-off-by: Andrew Jones drjo...@redhat.com
---
arch/arm64/include/asm/kvm_host.h | 7
On Wed, Sep 18, 2013 at 03:22:21PM +0530, Raghavendra K T wrote:
On 09/12/2013 01:58 PM, Michael S. Tsirkin wrote:
On Thu, Sep 12, 2013 at 01:00:11PM +0530, Raghavendra K T wrote:
Thanks Michael S Tsirkin for rewriting the description and suggestions.
Signed-off-by: Raghavendra K T
On Mon, Sep 16, 2013 at 05:22:26PM +0200, Andrew Jones wrote:
On Mon, Sep 16, 2013 at 05:41:18PM +0300, Gleb Natapov wrote:
On Mon, Sep 16, 2013 at 01:47:26PM +0200, Andrew Jones wrote:
On Mon, Sep 16, 2013 at 11:55:17AM +0300, Gleb Natapov wrote:
On Mon, Sep 16, 2013 at 10:22:09AM +0200
On Tue, Sep 17, 2013 at 12:03:09PM +0200, Andrew Jones wrote:
On Tue, Sep 17, 2013 at 12:36:19PM +0300, Gleb Natapov wrote:
On Mon, Sep 16, 2013 at 05:22:26PM +0200, Andrew Jones wrote:
On Mon, Sep 16, 2013 at 05:41:18PM +0300, Gleb Natapov wrote:
On Mon, Sep 16, 2013 at 01:47:26PM +0200
to 0be9c7a89f75072e091cd079d76194aec8d1fb09:
KVM: VMX: set blocked by NMI flag if EPT violation happens during IRET from
NMI (2013-09-17 19:09:47 +0300)
Bruce Rogers (1):
KVM: x86 emulator: emulate RETF imm
Gleb Natapov (2):
KVM: nEPT
On Wed, Sep 18, 2013 at 01:04:01PM +1000, Alexey Kardashevskiy wrote:
On 09/05/2013 04:07 PM, Paolo Bonzini wrote:
Il 05/09/2013 05:16, Alexey Kardashevskiy ha scritto:
Sorry for my ignorance, but this is The Kernel, it is already there,
broken
or not, even if it is broken, qemu cannot
On Mon, Sep 16, 2013 at 01:49:41PM +0800, Arthur Chunqi Li wrote:
On Sun, Sep 15, 2013 at 8:31 PM, Gleb Natapov g...@redhat.com wrote:
On Fri, Sep 06, 2013 at 10:04:51AM +0800, Arthur Chunqi Li wrote:
This patch contains the following two changes:
1. Fix the bug in nested preemption timer
On Fri, Sep 13, 2013 at 07:15:11PM +0200, Paolo Bonzini wrote:
Il 06/09/2013 04:04, Arthur Chunqi Li ha scritto:
This patch contains the following two changes:
1. Fix the bug in nested preemption timer support. If vmexit L2-L0
with some reasons not emulated by L1, preemption timer value
On Mon, Sep 16, 2013 at 06:59:18AM +, Zhou, Chao wrote:
Old issues (7):
--
1. guest panic with parameter -cpu host in qemu command line (about vPMU
issue).
On Mon, Sep 16, 2013 at 09:09:27AM +0100, Marc Zyngier wrote:
On 15/09/13 10:30, Gleb Natapov wrote:
On Sat, Sep 14, 2013 at 02:10:55PM +0200, Andrew Jones wrote:
Drop the _ARM_ part of the name. We can then introduce a config option
like this to aarch64 and other arches using the same name
On Mon, Sep 16, 2013 at 10:28:20AM +0200, Andrew Jones wrote:
On Sun, Sep 15, 2013 at 12:08:38PM +0300, Gleb Natapov wrote:
On Sat, Sep 14, 2013 at 02:18:49PM +0200, Andrew Jones wrote:
Take CONFIG_KVM_MAX_VCPUS from arm32, but set the default to 255.
Signed-off-by: Andrew Jones drjo
On Mon, Sep 16, 2013 at 10:22:09AM +0200, Andrew Jones wrote:
[1] Actually, until 972fc544b6034a in uq/master is merged there won't be
any warnings either.
Signed-off-by: Andrew Jones drjo...@redhat.com
---
arch/x86/include/asm/kvm_host.h | 1 -
arch/x86/kvm/x86.c
On Mon, Sep 16, 2013 at 10:58:12AM +0200, Paolo Bonzini wrote:
vmx-__launched = vmx-loaded_vmcs-launched;
+ if (is_guest_mode(vcpu) !(vmx-nested.nested_vmx_exit))
+ nested_adjust_preemption_timer(vcpu);
Please leave the assignment to __launched last, since it's already
On Mon, Sep 16, 2013 at 11:30:58AM +0200, Paolo Bonzini wrote:
Il 15/09/2013 11:56, Gleb Natapov ha scritto:
On Sun, Sep 15, 2013 at 11:54:15AM +0200, Paolo Bonzini wrote:
Il 15/09/2013 10:17, Gleb Natapov ha scritto:
This test checks that NMI window opens only after IRET from NMI
On Mon, Sep 16, 2013 at 11:49:40AM +0200, Paolo Bonzini wrote:
Il 16/09/2013 11:09, Gleb Natapov ha scritto:
On Mon, Sep 16, 2013 at 10:58:12AM +0200, Paolo Bonzini wrote:
vmx-__launched = vmx-loaded_vmcs-launched;
+ if (is_guest_mode(vcpu) !(vmx-nested.nested_vmx_exit
On Thu, Sep 05, 2013 at 06:29:12PM +0800, Xiao Guangrong wrote:
The basic idea is from nulls list which uses a nulls to indicate
whether the desc is moved to different pte-list
Note, we should do bottom-up walk in the desc since we always move
the bottom entry to the deleted position. A desc
On Mon, Sep 16, 2013 at 02:03:33PM +0200, Andrew Jones wrote:
On Mon, Sep 16, 2013 at 11:47:10AM +0300, Gleb Natapov wrote:
On Mon, Sep 16, 2013 at 10:28:20AM +0200, Andrew Jones wrote:
On Sun, Sep 15, 2013 at 12:08:38PM +0300, Gleb Natapov wrote:
On Sat, Sep 14, 2013 at 02:18:49PM +0200
On Mon, Sep 16, 2013 at 09:52:26PM +0800, Xiao Guangrong wrote:
Hi Gleb,
On 09/16/2013 08:42 PM, Gleb Natapov wrote:
static unsigned long *__gfn_to_rmap(gfn_t gfn, int level,
struct kvm_memory_slot *slot)
{
@@ -4651,7 +4700,7 @@ int
On Mon, Sep 16, 2013 at 01:47:26PM +0200, Andrew Jones wrote:
On Mon, Sep 16, 2013 at 11:55:17AM +0300, Gleb Natapov wrote:
On Mon, Sep 16, 2013 at 10:22:09AM +0200, Andrew Jones wrote:
[1] Actually, until 972fc544b6034a in uq/master is merged there won't
be
any warnings
Set blocked by NMI flag if EPT violation happens during IRET from NMI
otherwise NMI can be called recursively causing stack corruption.
Signed-off-by: Gleb Natapov g...@redhat.com
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 1f1da43..fa1984c 100644
--- a/arch/x86/kvm/vmx.c
+++ b
This test checks that NMI window opens only after IRET from NMI is
executed without a fault.
Signed-off-by: Gleb Natapov g...@redhat.com
diff --git a/lib/x86/processor.h b/lib/x86/processor.h
index e46d8d0..de1dc47 100644
--- a/lib/x86/processor.h
+++ b/lib/x86/processor.h
@@ -62,6 +62,13
On Sat, Sep 14, 2013 at 02:16:51PM +0200, Andrew Jones wrote:
This patch removes KVM_SOFT_MAX_VCPUS and uses num_online_cpus() for
KVM_CAP_NR_VCPUS instead, as ARM does. While the API doc simply says
KVM_CAP_NR_VCPUS should return the recommended maximum number of vcpus,
it has been returning
On Sat, Sep 14, 2013 at 02:18:49PM +0200, Andrew Jones wrote:
Take CONFIG_KVM_MAX_VCPUS from arm32, but set the default to 255.
Signed-off-by: Andrew Jones drjo...@redhat.com
---
arch/x86/include/asm/kvm_host.h | 5 +++--
arch/x86/kvm/Kconfig| 10 ++
2 files changed,
On Sun, Sep 15, 2013 at 11:54:15AM +0200, Paolo Bonzini wrote:
Il 15/09/2013 10:17, Gleb Natapov ha scritto:
This test checks that NMI window opens only after IRET from NMI is
executed without a fault.
Signed-off-by: Gleb Natapov g...@redhat.com
Reviewed-by: Paolo Bonzini pbonz
On Sat, Sep 14, 2013 at 02:10:55PM +0200, Andrew Jones wrote:
Drop the _ARM_ part of the name. We can then introduce a config option
like this to aarch64 and other arches using the same name - allowing
grep to show them all. Also update the help text to describe the option
more completely.
Marcelo do you feel your comments are addressed in patches 3 and 5 of
this series?
On Thu, Sep 05, 2013 at 06:29:03PM +0800, Xiao Guangrong wrote:
Changelog v2:
- the changes from Gleb's review:
1) fix calculating the number of spte in the pte_list_add()
2) set iter-desc to NULL if meet
On Fri, Sep 06, 2013 at 03:30:38PM +0200, Christian Borntraeger wrote:
On 06/09/13 14:19, Jens Freimann wrote: This series adds a kvm_device that
acts as a irq controller for floating
interrupts. As a first step it implements functionality to retrieve and
inject
interrupts for the
On Tue, Sep 10, 2013 at 09:14:14PM +0800, Arthur Chunqi Li wrote:
On Mon, Sep 2, 2013 at 4:21 PM, Gleb Natapov g...@redhat.com wrote:
On Thu, Aug 08, 2013 at 04:26:28PM +0200, Jan Kiszka wrote:
Likely a typo, but a fatal one as kvm_set_cr0 performs checks on the
Not a typo :) That what Avi
On Fri, Sep 06, 2013 at 10:04:51AM +0800, Arthur Chunqi Li wrote:
This patch contains the following two changes:
1. Fix the bug in nested preemption timer support. If vmexit L2-L0
with some reasons not emulated by L1, preemption timer value should
be save in such exits.
2. Add support of Save
On Fri, Sep 13, 2013 at 10:08:09AM +0800, Arthur Chunqi Li wrote:
Hi Jan and maillist,
Does nest VMX support vmexit MSR store/load and vmenter MSR load now?
I tried to set VM-exit MSR-store address with valid address and set
VM-exit MSR-store count to 1, then the vmenter fails. Anything else
On Wed, Sep 11, 2013 at 08:49:28PM +0800, Arthur Chunqi Li wrote:
Hi Gleb, Paolo and related folks,
I was trying to recreate MOV-SS blocking vmentry fail (Intel SDM 26.1,
5. a). Here the manual refers to Table 24-3, but later in 26.3.1.5
also describe it. I got confused how this scenario can
On Wed, Sep 11, 2013 at 08:55:41PM +0800, Arthur Chunqi Li wrote:
On Wed, Sep 11, 2013 at 8:53 PM, Gleb Natapov g...@redhat.com wrote:
On Wed, Sep 11, 2013 at 08:49:28PM +0800, Arthur Chunqi Li wrote:
Hi Gleb, Paolo and related folks,
I was trying to recreate MOV-SS blocking vmentry fail
On Wed, Sep 11, 2013 at 03:01:07PM +0200, Paolo Bonzini wrote:
Il 11/09/2013 14:53, Gleb Natapov ha scritto:
I was trying to recreate MOV-SS blocking vmentry fail (Intel SDM 26.1,
5. a). Here the manual refers to Table 24-3, but later in 26.3.1.5
also describe it. I got confused how
On Wed, Sep 11, 2013 at 09:04:26PM +0800, Arthur Chunqi Li wrote:
On Wed, Sep 11, 2013 at 9:03 PM, Gleb Natapov g...@redhat.com wrote:
On Wed, Sep 11, 2013 at 03:01:07PM +0200, Paolo Bonzini wrote:
Il 11/09/2013 14:53, Gleb Natapov ha scritto:
I was trying to recreate MOV-SS blocking
On Tue, Sep 10, 2013 at 09:12:11AM +0800, Arthur Chunqi Li wrote:
On Mon, Sep 9, 2013 at 8:29 PM, Gleb Natapov g...@redhat.com wrote:
On Mon, Sep 09, 2013 at 12:53:02PM +0200, Paolo Bonzini wrote:
Il 09/09/2013 12:22, SPA ha scritto:
Thanks Paolo.
Is there a way where reads would
On Mon, Sep 09, 2013 at 09:40:20AM -0600, Bruce Rogers wrote:
Opcode CA
This gets used by a DOS based NetWare guest.
Signed-off-by: Bruce Rogers brog...@suse.com
Reviewed-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c | 14 +-
1 files changed, 13 insertions
On Mon, Sep 09, 2013 at 10:31:15AM +0200, Paolo Bonzini wrote:
Il 08/09/2013 13:40, Gleb Natapov ha scritto:
On Thu, Sep 05, 2013 at 03:06:21PM +0200, Paolo Bonzini wrote:
On KVM, the KVM_SET_XSAVE would be executed with a 0 xstate_bv,
and not restore anything.
XRSTOR restores FP/SSE
On Mon, Sep 09, 2013 at 10:51:58AM +0200, Paolo Bonzini wrote:
Il 08/09/2013 13:52, Gleb Natapov ha scritto:
On Thu, Sep 05, 2013 at 03:06:22PM +0200, Paolo Bonzini wrote:
QEMU moves state from CPUArchState to struct kvm_xsave and back when it
invokes the KVM_*_XSAVE ioctls. Because
On Mon, Sep 09, 2013 at 11:50:03AM +0200, Paolo Bonzini wrote:
Il 09/09/2013 11:18, Gleb Natapov ha scritto:
On Mon, Sep 09, 2013 at 10:51:58AM +0200, Paolo Bonzini wrote:
Il 08/09/2013 13:52, Gleb Natapov ha scritto:
On Thu, Sep 05, 2013 at 03:06:22PM +0200, Paolo Bonzini wrote:
QEMU
On Mon, Sep 09, 2013 at 11:53:45AM +0200, Paolo Bonzini wrote:
Il 09/09/2013 11:03, Gleb Natapov ha scritto:
On Mon, Sep 09, 2013 at 10:31:15AM +0200, Paolo Bonzini wrote:
Il 08/09/2013 13:40, Gleb Natapov ha scritto:
On Thu, Sep 05, 2013 at 03:06:21PM +0200, Paolo Bonzini wrote:
On KVM
On Mon, Sep 09, 2013 at 01:54:50PM +0300, Gleb Natapov wrote:
On Mon, Sep 09, 2013 at 11:53:45AM +0200, Paolo Bonzini wrote:
Il 09/09/2013 11:03, Gleb Natapov ha scritto:
On Mon, Sep 09, 2013 at 10:31:15AM +0200, Paolo Bonzini wrote:
Il 08/09/2013 13:40, Gleb Natapov ha scritto:
On Thu
On Mon, Sep 09, 2013 at 01:07:37PM +0200, Paolo Bonzini wrote:
In fact, another bug is that kvm_vcpu_ioctl_x86_set_xsave ignores
xstate_bv when XSAVE is not available. Instead, it should reset the
FXSAVE data to processor-reset values (except for MXCSR which always
comes from XRSTOR
On Mon, Sep 09, 2013 at 01:46:49PM +0200, Paolo Bonzini wrote:
Yes. QEMU unmarshals information from the XSAVE region and back, so it
cannot support MPX or AVX-512 yet (even if KVM were). Separate bug,
though.
IMO this is the main issue here, not separate bug. If we gonna let guest
On Mon, Sep 09, 2013 at 12:53:02PM +0200, Paolo Bonzini wrote:
Il 09/09/2013 12:22, SPA ha scritto:
Thanks Paolo.
Is there a way where reads would trap ?
I explored a bit on PM_PRESENT_MASK. Though its not READ bit, but a
PRESENT bit, it looks like it should generate traps on
On Mon, Sep 09, 2013 at 07:09:15AM -0600, Bruce Rogers wrote:
On 9/8/2013 at 07:13 AM, Gleb Natapov g...@redhat.com wrote:
On Tue, Sep 03, 2013 at 01:42:09PM -0600, Bruce Rogers wrote:
Opcode CA
This gets used by a DOS based NetWare guest.
Signed-off-by: Bruce Rogers brog
On Mon, Sep 09, 2013 at 04:09:47PM +0200, Paolo Bonzini wrote:
Il 08/09/2013 11:54, Gleb Natapov ha scritto:
On Thu, Sep 05, 2013 at 02:21:54PM +0200, Paolo Bonzini wrote:
A guest can still attempt to save and restore XSAVE states even if they
have been masked in CPUID leaf 0Dh
On Wed, Sep 04, 2013 at 10:32:22PM +0200, Radim Krčmář wrote:
I did not reproduce the bug fixed in [1/2], but there are not that many
reasons why we could not unload a module, so the spot is quite obvious.
Reviewed-by: Gleb Natapov g...@redhat.com
Radim Krčmář (2):
kvm: free resources
-host_cr0);
/*
* If we did fpu_activate()/fpu_deactivate() during L2's run, we need
* to apply the same changes to L1's vmcs. We just set cr0 correctly,
For this one and 2,4,6 of the series:
Reviewed-by: Gleb Natapov g...@redhat.com
--
Gleb
and
dirty bits.
Note that this scenario is not supported by NPT at all, as explained by
comments in the code.
Cc: sta...@vger.kernel.org
Cc: kvm@vger.kernel.org
Cc: Xiao Guangrong xiaoguangr...@linux.vnet.ibm.com
Cc: Gleb Natapov g...@redhat.com
Signed-off-by: Paolo Bonzini pbonz
.
Cc: kvm@vger.kernel.org
Cc: Gleb Natapov g...@redhat.com
Signed-off-by: Paolo Bonzini pbonz...@redhat.com
---
arch/x86/kvm/cpuid.c | 2 +-
arch/x86/kvm/x86.c | 10 --
arch/x86/kvm/x86.h | 1 +
3 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm
301 - 400 of 4884 matches
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