failover
floppy
Fixes: 22b5c0b63f32 ("vsock/virtio: fix kernel panic after device hot-unplug")
Reported-by: Alexandru Herghelegiu
Signed-off-by: Adalbert Lazăr
Co-developed-by: Stefan Hajnoczi
---
net/vmw_vsock/virtio_transport_common.c | 22 +++---
1 file changed, 15
On Wed, 6 Mar 2019 08:41:04 +, Stefan Hajnoczi wrote:
> On Tue, Mar 05, 2019 at 08:01:45PM +0200, Adalbert Lazăr wrote:
>
> Thanks for the patch, Adalbert! Please add a Signed-off-by tag so your
> patch can be merged (see Documentation/process/submitting-patches.rst
> Chapter
Previous to commit 22b5c0b63f32 ("vsock/virtio: fix kernel panic after device
hot-unplug"),
vsock_core_init() was called from virtio_vsock_probe(). Now,
virtio_transport_reset_no_sock() can be called before vsock_core_init()
has the chance to run.
[Wed Feb 27 14:17:09 2019] BUG: unable to handle
On Wed, 6 Mar 2019 09:12:36 +0100, Stefano Garzarella
wrote:
> > --- a/net/vmw_vsock/virtio_transport_common.c
> > +++ b/net/vmw_vsock/virtio_transport_common.c
> > @@ -662,6 +662,7 @@ static int virtio_transport_reset(struct vsock_sock
> > *vsk,
> > */
> > static int
On Wed, 6 Mar 2019 17:02:16 +, Stefan Hajnoczi wrote:
> On Wed, Mar 06, 2019 at 11:10:41AM +0200, Adalbert Lazăr wrote:
> > On Wed, 6 Mar 2019 08:41:04 +, Stefan Hajnoczi
> > wrote:
> > > On Tue, Mar 05, 2019 at 08:01:45PM +0200, Adalbert Lazăr wrote
On Tue, 13 Aug 2019 10:47:34 +0200, Paolo Bonzini wrote:
> On 09/08/19 18:00, Adalbert Lazăr wrote:
> > If the EPT violation was caused by an execute restriction imposed by the
> > introspection tool, gpa_available will point to the instruction pointer,
> > not the to th
On Tue, 13 Aug 2019 11:08:39 +0200, Paolo Bonzini wrote:
> On 09/08/19 18:00, Adalbert Lazăr wrote:
> > It should complete the commit fd34a9518173 ("kvm: x86: consult the page
> > tracking from kvm_mmu_get_page() and __direct_map()")
> >
> > Signed-off-by:
On Tue, 13 Aug 2019 10:55:21 +0200, Paolo Bonzini wrote:
> On 09/08/19 17:59, Adalbert Lazăr wrote:
> >
> > +reply->padding2);
> > +
> > + ivcpu->reply_waiting = false;
> > + return expected->error;
> > +}
> > +
>
On Tue, 13 Aug 2019 11:15:34 +0200, Paolo Bonzini wrote:
> On 09/08/19 17:59, Adalbert Lazăr wrote:
> > +If `now` is 1, the command reply is enabled/disabled (according to
> > +`enable`) starting with the current command. For example, `enable=0`
> > +and `now=1` means that
We'll do.
On Tue, 13 Aug 2019 10:44:28 +0200, Paolo Bonzini wrote:
> On 09/08/19 17:59, Adalbert Lazăr wrote:
> > +static int kvmi_recv(void *arg)
> > +{
> > + struct kvmi *ikvm = arg;
> > +
> > + kvmi_info(ikvm, "Hooking VM\n");
On Tue, 13 Aug 2019 11:20:45 +0200, Paolo Bonzini wrote:
> On 09/08/19 18:00, Adalbert Lazăr wrote:
> > From: Mihai Donțu
> >
> > It can happened for us to end up emulating the VMCALL instruction as a
> > result of the handling of an EPT write fault. In this situation
On Tue, 13 Aug 2019 16:45:11 +0200, Paolo Bonzini wrote:
> On 13/08/19 15:54, Adalbert Lazăr wrote:
> > Leaving kvm_vcpu_block() in order to handle a request such as 'pause',
> > would cause the vCPU to enter the guest when resumed. Most of the
> > time
On Tue, 13 Aug 2019 08:01:28 -0700, Sean Christopherson
wrote:
> On Tue, Aug 13, 2019 at 02:09:51PM +0200, Paolo Bonzini wrote:
> > On 13/08/19 13:57, Adalbert Lazăr wrote:
> > >> The refcounting approach seems a bit backwards, and AFAICT is driven by
> > >>
On Fri, 9 Aug 2019 09:24:44 -0700, Matthew Wilcox wrote:
> On Fri, Aug 09, 2019 at 07:00:26PM +0300, Adalbert Lazăr wrote:
> > +++ b/include/linux/page-flags.h
> > @@ -417,8 +417,10 @@ PAGEFLAG(Idle, idle, PF_ANY)
> > */
> > #define PAGE_MAPPING_ANON 0x1
> &
On Tue, 13 Aug 2019 10:26:29 +0200, Paolo Bonzini wrote:
> On 09/08/19 17:59, Adalbert Lazăr wrote:
> > + prepare_to_swait_exclusive(>wq, ,
> > + TASK_INTERRUPTIBLE);
> > +
> > + if (
On Tue, 13 Aug 2019 10:43:52 +0200, Paolo Bonzini wrote:
> On 09/08/19 17:59, Adalbert Lazăr wrote:
> > +void kvmi_handle_requests(struct kvm_vcpu *vcpu)
> > +{
> > + struct kvmi *ikvm;
> > +
> > + ikvm = kvmi_get(vcpu->kvm);
>
On Mon, 12 Aug 2019 13:50:39 -0700, Sean Christopherson
wrote:
> On Fri, Aug 09, 2019 at 07:00:19PM +0300, Adalbert Lazăr wrote:
> > From: Nicușor Cîțu
> >
> > This would be used either if the introspection tool request it as a
> > reply to a KVMI_EVENT_PF event o
On Mon, 12 Aug 2019 13:20:30 -0700, Sean Christopherson
wrote:
> On Fri, Aug 09, 2019 at 06:59:16PM +0300, Adalbert Lazăr wrote:
> > diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
> > index 72fa955f4a15..f70a6a1b6814 100644
> > --- a/arch/x86/kvm/Kconfig
> >
On Tue, 10 Sep 2019 10:26:42 -0400, Konrad Rzeszutek Wilk
wrote:
> On Fri, Aug 09, 2019 at 07:00:24PM +0300, Adalbert Lazăr wrote:
> > This patch might be obsolete thanks to single-stepping.
>
> sooo should it be skipped from this large patchset to easy
> review?
I'll add a
le (on pair with our introspection
products using Xen)
- speed improvements (the penalty on web browsing actions is 50% lower,
at least)
Adalbert Lazăr (25):
kvm: introspection: add basic ioctls (hook/unhook)
kvm: introspection: add permission access ioctls
kvm: introspection: add the r
is closed (signaled by userspace/QEMU
or the introspection tool) or on the first API error (eg. wrong message
size).
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 86 +++
include/uapi/linux/kvmi.h | 13 ++
virt/kvm/kvmi.c| 43
was running in a
different VM) was around 5-10%.
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 50 ++
include/uapi/linux/kvmi.h | 7
virt/kvm/kvmi_int.h| 2 ++
virt/kvm/kvmi_msg.c| 57
This function is needed for the KVMI_PAUSE_VCPU command. There are
cases when it is easier for the introspection tool if it knows that
the vCPU doesn't run guest code when the command is completed, without
waiting for the KVMI_EVENT_PAUSE_VCPU event.
Signed-off-by: Adalbert Lazăr
---
include
with the
KVMI_EVENT_TRAP event and abort the injection. The introspecion tool is
expected to try again at a later time.
CC: Joerg Roedel
Signed-off-by: Mihai Donțu
Co-developed-by: Nicușor Cîțu
Signed-off-by: Nicușor Cîțu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 71
-by: He Chen
Signed-off-by: He Chen
Co-developed-by: Zhang Yi
Signed-off-by: Zhang Yi
Co-developed-by: Yang Weijiang
Signed-off-by: Yang Weijiang
Message-Id: <20190717133751.12910-5-weijiang.y...@intel.com>
Signed-off-by: Adalbert Lazăr
---
arch/x86/include/asm/kvm_host.h | 1 +
arch/x
From: Mihai Donțu
This vCPU command is used to get the XSAVE area.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 31 ++
arch/x86/include/uapi/asm/kvmi.h | 4
arch/x86/kvm/kvmi.c| 21
).
Signed-off-by: Mircea Cîrjaliu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/hypercalls.txt | 34 ++
arch/x86/Kconfig | 9 +
arch/x86/include/asm/kvmi_guest.h| 10 +
arch/x86/kernel/Makefile | 1 +
arch/x86/kernel
From: Marian Rotariu
This command returns a CPUID leaf (as seen by the guest OS).
Signed-off-by: Marian Rotariu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 36 ++
arch/x86/include/uapi/asm/kvmi.h | 12 ++
arch/x86/kvm/kvmi.c
, this is an uncommon occurrence making the overhead of the
single-step mechanism acceptable.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/x86.c | 15 +--
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
arch/x86/include/asm/kvm_host.h | 3 +
arch/x86/kvm/kvmi.c | 47 ++-
arch/x86/kvm/svm.c | 5 ++
arch/x86/kvm/vmx/vmx.c | 17
arch/x86/kvm/x86.c | 19 +
include
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/vmx/vmx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index dc648ba47df3..152c58b63f69 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7718,7 +7718,7
Co-developed-by: Nicușor Cîțu
Signed-off-by: Nicușor Cîțu
Co-developed-by: Mircea Cîrjaliu
Signed-off-by: Mircea Cîrjaliu
Co-developed-by: Marian Rotariu
Signed-off-by: Marian Rotariu
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/kvmi.c | 63
as the first step made the changes directly in
memory.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c | 42 +-
1 file changed, 41 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index
).
Signed-off-by: Mihai Donțu
Co-developed-by: Mircea Cîrjaliu
Signed-off-by: Mircea Cîrjaliu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 75 ++
arch/x86/kvm/Kconfig | 7 +++
arch/x86/kvm/Makefile | 1 +
include/linux
messages.
The command is always allowed and any attempt from userspace to disallow it
through KVM_INTROSPECTION_COMMAND will get -EPERM (unless userspace choose
to disable all commands, using id=-1, in which case KVMI_GET_VERSION is
quietly allowed, without an error).
Signed-off-by: Adalbert
that the KVMI_EVENT_PF events are filter
using the radix tree and that the introspection tool should know what
it tracks, we should choose the later.
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 44 ++
arch/x86/kvm/kvmi.c| 44
during a scan.
Signed-off-by: Mihai Donțu
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/hypercalls.txt | 34 +++-
Documentation/virtual/kvm/kvmi.rst | 31 +
arch/x86/kvm/kvmi.c | 33
.
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 68 ++
include/uapi/linux/kvm_para.h | 1 +
include/uapi/linux/kvmi.h | 7 +++
virt/kvm/kvmi.c| 65
virt/kvm/kvmi_int.h| 4
whether the fault EPT page is SPP protected as well.
Co-developed-by: He Chen
Signed-off-by: He Chen
Co-developed-by: Zhang Yi
Signed-off-by: Zhang Yi
Co-developed-by: Yang Weijiang
Signed-off-by: Yang Weijiang
Message-Id: <20190717133751.12910-6-weijiang.y...@intel.com>
Signed-off-by: Ad
From: Mihai Donțu
This adds support for movq r, xmm. It introduces a new flag (GPRModRM)
to indicate decode_modrm() that the encoded register is a general purpose
one.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c | 15 +--
1 file changed, 13
This command enables/disables subpage protection (SPP) for the current VM.
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 33 ++
arch/x86/kvm/kvmi.c| 4
include/uapi/linux/kvmi.h | 7 +++
virt/kvm/kvmi_int.h
is disabled it will return an error to the caller. In the end, the
receiving worker will finish and the introspection socket will be closed.
Signed-off-by: Adalbert Lazăr
---
virt/kvm/kvmi_msg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/virt/kvm/kvmi_msg.c b/virt/kvm/kvmi_msg.c
-by: Adalbert Lazăr
---
arch/x86/include/asm/kvm_emulate.h | 2 +-
arch/x86/kvm/emulate.c | 57 +++---
arch/x86/kvm/x86.c | 48 ++---
3 files changed, 89 insertions(+), 18 deletions(-)
diff --git a/arch/x86/include/asm
-developed-by: Zhang Yi
Signed-off-by: Zhang Yi
Co-developed-by: Yang Weijiang
Signed-off-by: Yang Weijiang
Message-Id: <20190717133751.12910-4-weijiang.y...@intel.com>
Signed-off-by: Adalbert Lazăr
---
arch/x86/include/asm/kvm_host.h | 7 +-
arch/x86/kvm/mmu.c
Weijiang
Message-Id: <20190717133751.12910-8-weijiang.y...@intel.com>
Signed-off-by: Adalbert Lazăr
---
arch/x86/include/asm/vmx.h | 7
arch/x86/include/uapi/asm/vmx.h | 2 +
arch/x86/kvm/mmu.c | 17
arch/x86/kvm/vmx/vmx.c
data.
Signed-off-by: Adalbert Lazăr
---
virt/kvm/kvmi.c | 119
virt/kvm/kvmi_int.h | 3 ++
2 files changed, 122 insertions(+)
diff --git a/virt/kvm/kvmi.c b/virt/kvm/kvmi.c
index 3dfedf3ae739..06dc23f40ded 100644
--- a/virt/kvm/kvmi.c
+++ b
.
As with the KVMI_GET_VERSION command, these commands can never be
disallowed by userspace/QEMU.
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 60 ++
include/uapi/linux/kvmi.h | 12 ++
virt/kvm/kvmi.c| 8
From: Mihai Donțu
For now, this command returns only the number of online vCPUs.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 18 ++
include/uapi/linux/kvmi.h | 5 +
virt/kvm/kvmi_msg.c| 14
From: Mihai Donțu
This command returns the memory type for a guest physical address.
Signed-off-by: Mihai Donțu
Co-developed-by: Nicușor Cîțu
Signed-off-by: Nicușor Cîțu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 32 ++
arch/x86
From: Mihai Donțu
A previous patch added emulation support for these instructions with a
register source and memory destination. This patch adds the variants
with a memory source and a register destination.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c
.
This is meant to prevent malicious changes to MSR-s
such as MSR_IA32_SYSENTER_EIP.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 73 +
arch/x86/include/asm/kvm_host.h| 4 +
arch/x86/include/asm/kvmi_host.h | 6 ++
arch
a certain operation (like creating a process).
Signed-off-by: Mihai Donțu
Co-developed-by: Nicușor Cîțu
Signed-off-by: Nicușor Cîțu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 36 +
arch/x86/kvm/kvmi.c| 20 +++
arch/x86/kvm/svm.c
From: Mihai Donțu
This extends the previous xorpd by creating a dedicated group, something
I should have done since the very beginning.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c | 22 +-
1 file changed, 21 insertions(+), 1
This function is need in order to intercept breakpoints and send
KVMI_EVENT_BREAKPOINT events to the introspection tool.
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/x86.c | 18 +-
include/linux/kvm_host.h | 2 ++
2 files changed, 15 insertions(+), 5 deletions(-)
diff
From: Mihai Donțu
This is needed in order to be able to support guest code that uses movq to
write into pages that are marked for write tracking.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c | 24 +++-
1 file changed, 15 insertions
It should complete the commit fd34a9518173 ("kvm: x86: consult the page
tracking from kvm_mmu_get_page() and __direct_map()")
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/mmu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 65
From: Mihai Donțu
This adds support for fst m64fp and fstp m64fp.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c | 23 ++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
-by: Adalbert Lazăr
---
arch/x86/include/asm/kvmi_host.h | 6 +++
arch/x86/kvm/kvmi.c | 25 +
arch/x86/kvm/svm.c | 33 ++---
arch/x86/kvm/vmx/vmx.c | 63 +++-
4 files changed, 88 insertions(+), 39 deletions
This command sets the subpage protection (SPP) write bitmap for an array
of guest physical addresses of 4KB bytes.
Co-developed-by: Yang Weijiang
Signed-off-by: Yang Weijiang
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 66
From: Nicușor Cîțu
This event is sent when the current instruction has been single stepped
as a result of a KVMI_EVENT_PF event to which the introspection tool
set the singlestep field and responded with CONTINUE.
Signed-off-by: Nicușor Cîțu
Signed-off-by: Adalbert Lazăr
---
Documentation
Weijiang
Message-Id: <20190717133751.12910-9-weijiang.y...@intel.com>
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/mmu.c | 24
1 file changed, 24 insertions(+)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d59108a3ebbf..24222e3add91 100644
--- a/arch/x
of interested will be suppressed (after some appropriate guest-side
handling) while the rest will be sent to the introspector via a VMCALL.
Signed-off-by: Nicușor Cîțu
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 38 +++
arch/x86
From: Mircea Cîrjaliu
This event is sent when a vCPU is ready to be introspected.
Signed-off-by: Mircea Cîrjaliu
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 23 +++
virt/kvm/kvmi.c| 47
From: Mihai Donțu
This is needed to filter #PF introspection events.
Signed-off-by: Mihai Donțu
Co-developed-by: Nicușor Cîțu
Signed-off-by: Nicușor Cîțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/include/asm/kvm_host.h | 4
arch/x86/kvm/mmu.c | 5 +
arch/x86/kvm
This is needed for the introspection subsystem to track the changes to
descriptor table registers.
CC: Joerg Roedel
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/x86.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 7aef002be551
This patch might be obsolete thanks to single-stepping.
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/x86.c | 9 +++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2c06de73a784..06f44ce8ed07 100644
--- a/arch/x86/kvm/x86.c
, writeback is completely disabled as the
operation is executed directly on guest memory, unless the architecture
does not advertise CMPXCHG16B in CPUID.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c | 117 ++---
arch/x86/kvm
ends a new job in
the same time.
Signed-off-by: Adalbert Lazăr
---
include/linux/swait.h | 11 ++
virt/kvm/kvmi.c | 80 +++
virt/kvm/kvmi_int.h | 2 ++
3 files changed, 93 insertions(+)
diff --git a/include/linux/swait.h b/include/linux/swa
: <20190717133751.12910-10-weijiang.y...@intel.com>
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/mmu.c | 22 ++
1 file changed, 22 insertions(+)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 24222e3add91..0b859b1797f6 100644
--- a/arch/x86/kvm/mmu.c
+++ b/ar
From: Mihai Donțu
These commands allows the introspection tool to read/write from/to the
guest memory.
Signed-off-by: Mihai Donțu
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 60
include/uapi/linux/kvmi.h
From: Mihai Donțu
This event is sent when the extended control register XCR0 is going to
be changed.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 25 +++
arch/x86/include/asm/kvmi_host.h | 5
arch/x86/kvm/kvmi.c
From: Mircea Cîrjaliu
This commit adds the missing KVMI_GET_MAP_TOKEN command and handle the
hypercalls used to map/unmap guest pages.
Suggested-by: Paolo Bonzini
Signed-off-by: Mircea Cîrjaliu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 39
arch/x86/kvm
From: Mihai Donțu
This is needed in order to be able to support guest code that uses movss to
write into pages that are marked for write tracking.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c | 8 ++--
1 file changed, 6 insertions(+), 2 deletions
-by: Adalbert Lazăr
---
arch/x86/include/asm/kvm_host.h | 2 +-
arch/x86/include/asm/kvmi_host.h | 6 ++
arch/x86/kvm/kvmi.c | 34 +++-
arch/x86/kvm/mmu.c | 11 +--
arch/x86/kvm/x86.c | 6 +++---
include/linux/kvmi.h
due to
a buggy VMEXIT handler.
Signed-off-by: Nicușor Cîțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/svm.c | 9 +++-
arch/x86/kvm/trace.h | 118 -
arch/x86/kvm/vmx/vmx.c | 8 ++-
arch/x86/kvm/x86.c | 12 +++--
4 files changed, 116
-off-by: Mircea Cîrjaliu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 28 +
arch/x86/kvm/x86.c | 33 ++
include/linux/kvm_host.h | 1 +
virt/kvm/kvmi.c| 25
-by: Zhang Yi
Co-developed-by: Yang Weijiang
Signed-off-by: Yang Weijiang
Message-Id: <20190717133751.12910-7-weijiang.y...@intel.com>
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/x86.c | 73
include/linux/kvm_host.h | 3 ++
include/uapi
From: Mihai Donțu
This command is used to get kvm_regs and kvm_sregs structures,
plus the list of struct kvm_msrs.
Signed-off-by: Mihai Donțu
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 43
arch/x86/include/uapi/asm
From: Mihai Donțu
This is needed in order to be able to support guest code that uses movsd to
write into pages that are marked for write tracking.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c | 32 +++-
1 file changed, 27
From: Mihai Donțu
This is needed in order to be able to support guest code that uses movd to
write into pages that are marked for write tracking.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c | 12 +++-
1 file changed, 11 insertions(+), 1
-off-by: Adalbert Lazăr
---
arch/x86/include/asm/kvm_host.h | 5 +++
arch/x86/include/asm/vmx.h | 2 ++
arch/x86/kvm/kvmi.c | 21
arch/x86/kvm/mmu.c | 5 +++
arch/x86/kvm/svm.c | 8 +
arch/x86/kvm/vmx/vmx.c | 13 ++--
arch
From: Mihai Donțu
This is used to add page access notifications as soon as a slot appears.
CC: Xiao Guangrong
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/include/asm/kvm_page_track.h | 5 -
arch/x86/kvm/page_track.c | 18 --
arch
is introspected,
not just because the introspection subsystem is present.
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/x86.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 965c4f0108eb..3975331230b9 100644
--- a/arch/x86/kvm/x86.c
From: Mihai Donțu
This adds support for xorpd xmm2/m128, xmm1.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/emulate.c | 19 ++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index
path", while the RETRY action as "re-enter guest".
Note: KVMI_EVENT_UNHOOK, a VM event, doesn't have/need a reply.
Suggested-by: Paolo Bonzini
Signed-off-by: Mihai Donțu
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 10 ++
From: Mihai Donțu
This is needed because the emulator calls the page tracking code
irrespective of the current VMEXIT reason or available information.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/include/asm/kvm_host.h | 2 +-
arch/x86/include/asm
șor Cîțu
Signed-off-by: Nicușor Cîțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/include/asm/kvm_host.h | 1 +
virt/kvm/kvmi.c | 102 +++-
virt/kvm/kvmi_int.h | 9 +++
3 files changed, 111 insertions(+), 1 deletion(-)
diff --git a/
own_ for X=KVMI_EVENT_CREATE_VCPU.
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 39 ++
include/uapi/linux/kvmi.h | 7 ++
virt/kvm/kvmi.c| 11 +
virt/kvm/kvmi_int.h| 3 +++
virt/kvm/kvmi_msg.c
From: Yang Weijiang
Co-developed-by: yi.z.zh...@linux.intel.com
Signed-off-by: yi.z.zh...@linux.intel.com
Co-developed-by: Yang Weijiang
Signed-off-by: Yang Weijiang
Message-Id: <20190717133751.12910-2-weijiang.y...@intel.com>
Signed-off-by: Adalbert Lazăr
---
Documentation/virtu
Weijiang
Signed-off-by: Yang Weijiang
Message-Id: <20190717133751.12910-3-weijiang.y...@intel.com>
Signed-off-by: Adalbert Lazăr
---
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/vmx.h | 1 +
arch/x86/kernel/cpu/intel.c| 4
arch/x86/kvm/vmx/capabili
From: Mihai Donțu
Using the KVMI_CONTROL_CR command, the introspection tool subscribes to
KVMI_EVENT_CR events that will be sent when CR{0,3,4} is going to
be changed.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 70
runs, points to the indicated page into the
introspected guest. I have not included here the use of the mapping
token described in the KVMI documentation.
Signed-off-by: Mircea Cîrjaliu
Signed-off-by: Adalbert Lazăr
---
include/linux/page-flags.h |9 +-
include/linux/remote_mapping.h
).
Signed-off-by: Mihai Donțu
Co-developed-by: Nicușor Cîțu
Signed-off-by: Nicușor Cîțu
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 8 ++
include/uapi/linux/kvm_para.h | 4 +-
include/uapi/linux/kvmi.h | 6 ++
virt
This will allow us to use the subpage protection feature.
Signed-off-by: Adalbert Lazăr
---
virt/kvm/kvmi.c | 46 +
virt/kvm/kvmi_int.h | 1 +
2 files changed, 39 insertions(+), 8 deletions(-)
diff --git a/virt/kvm/kvmi.c b/virt/kvm/kvmi.c
index
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
arch/x86/kvm/x86.c | 23 ---
1 file changed, 20 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 04b1d2916a0a..965c4f0108eb 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86
Lazăr
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 63 ++
arch/x86/kvm/kvmi.c| 38 ++-
arch/x86/kvm/x86.c | 7 +-
include/linux/kvmi.h | 4 ++
include/uapi/linux/kvmi.h | 18 +
virt/kvm
-by: Marian Rotariu
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
arch/x86/include/asm/kvmi_host.h | 12 ++
arch/x86/kvm/kvmi.c | 45 +
include/uapi/linux/kvmi.h| 4 +
virt/kvm/kvmi.c | 293 ++-
virt/kvm
allowed
(those querying the introspection capabilities).
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/api.txt | 56 +++-
include/uapi/linux/kvm.h | 6 +++
virt/kvm/kvm_main.c | 6 +++
virt/kvm/kvmi.c | 85
ff-by: Mihai Donțu
Co-developed-by: Adalbert Lazăr
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 56 +
arch/x86/include/uapi/asm/kvmi.h | 29 +++
arch/x86/kvm/Makefile | 2 +-
arch/x86/kvm/kvmi.c| 92
to mention that the KVMI_EVENT_PF
events are sent only for EPT violation caused by these restrictions.
So, we might drop this command.
Signed-off-by: Mihai Donțu
Signed-off-by: Adalbert Lazăr
---
Documentation/virtual/kvm/kvmi.rst | 54 ++
arch/x86/kvm/kvmi.c
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