On Thu, Jun 06, 2019 at 03:11:10PM +0300, Denis Plotnikov wrote:
>
>
> On 06.06.2019 14:31, Roman Kagan wrote:
> > On Thu, Jun 06, 2019 at 11:36:45AM +0300, Denis Plotnikov wrote:
> >> This is done to prevent windows guest crashing while running
> >> PassMark
On Thu, Jun 06, 2019 at 11:36:45AM +0300, Denis Plotnikov wrote:
> This is done to prevent windows guest crashing while running
> PassMark benchmark which calls rdmsr(0xce) - MSR_PLATFORM_INFO
> from PassMark driver.
>
> The reason why the test driver does so is unclear, since
> MSR_PLATFORM_INFO
rg
Signed-off-by: Radim Krčmář
(cherry picked from commit c4d2188206bafa177ea58e9a25b952baa0bf7712)
VZ-Bug: #PSBM-93016
Signed-off-by: Roman Kagan
---
arch/x86/kvm/x86.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 957280a6eb
onrad Rzeszutek Wilk
Reviewed-by: Wanpeng Li
Signed-off-by: Radim Krčmář
(cherry picked from commit 9b8ae63798cb97e785a667ff27e43fa6220cb734)
Signed-off-by: Roman Kagan
VZ-Bug: #PSBM-89859
---
arch/x86/include/asm/kvm_host.h | 3 ++-
arch/x86/kvm/vmx.c | 2 +-
2 files changed, 3 i
On Mon, Aug 13, 2018 at 12:57:17PM +0300, Roman Kagan wrote:
> commit 63aff65573d73eb8dda4732ad4ef222dd35e4862 upstream.
>
> VPID for the nested vcpu is allocated at vmx_create_vcpu whenever nested
> vmx is turned on with the module parameter.
>
> However, it's only fr
eeing.
Fixes: 5c614b3583e7b6dab0c86356fa36c2bcbb8322a0
Cc: sta...@vger.kernel.org
Signed-off-by: Roman Kagan
Signed-off-by: Paolo Bonzini
Signed-off-by: Greg Kroah-Hartman
(cherry picked from commit 020a90f653dd02dbbae389da91f510d5f33984dc)
Signed-off-by: Roman Kagan
---
arch/x86/kvm/vmx.
st of supported ones.)
For details see (RHEL subscription required)
https://access.redhat.com/labs/psb/versions/kernel-3.10.0-862.el7/patches/x86-kvm-lapic-do-not-scan-IRR-when-delivering-an-interrupt?raw=true
Undo this breakage.
VZ-Bug: #PSBM-86431
Signed-off-by: Roman Kagan
---
arch/x86/kvm/la
kvm->srcu.
Reviewed-by: Roman Kagan
Signed-off-by: Paolo Bonzini
(cherry picked from commit 452a68d0ef341c4d544757e02154788227b2a08b)
Signed-off-by: Roman Kagan
---
arch/x86/kvm/hyperv.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/hyperv.c b/arch/x
Move kvm.arch.hyperv initialization and cleanup to separate functions.
For now only a mutex is inited in the former, and the latter is empty;
more stuff will go in there in a followup patch.
Signed-off-by: Roman Kagan
Reviewed-by: David Hildenbrand
Signed-off-by: Radim Krčmář
(cherry picked
-off-by: Paolo Bonzini
(cherry picked from commit d32ef547fdbbeb9c4351f9d3bc84dec998a3be8c)
Signed-off-by: Roman Kagan
---
arch/x86/kvm/hyperv.c | 15 +++
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index c6d95a97c44c..d31d37c8765a 100
From: Vitaly Kuznetsov
When a new vector is written to SINx we update vec_bitmap/auto_eoi_bitmap
but we forget to remove old vector from these masks (in case it is not
present in some other SINTx).
Signed-off-by: Vitaly Kuznetsov
Reviewed-by: Roman Kagan
Signed-off-by: Radim Krčmář
(cherry
From: Paolo Bonzini
Introduce a new mutex to avoid an AB-BA deadlock between kvm->lock and
vcpu->mutex. Protect accesses in kvm_hv_setup_tsc_page too, as suggested
by Roman.
Reported-by: Dmitry Vyukov
Reviewed-by: Roman Kagan
Signed-off-by: Paolo Bonzini
(cherry picked from
: hyperv: fix locking of struct kvm_hv fields
KVM: x86: cleanup the page tracking SRCU instance
Roman Kagan (2):
kvm: x86: factor out kvm.arch.hyperv (de)init
kvm: x86: hyperv: guest->host event signaling via eventfd
Vitaly Kuznetsov (2):
x86/kvm/hyper-v: remove stale entries from vec_bit
ted) IDR.
Signed-off-by: Roman Kagan
Reviewed-by: David Hildenbrand
[asm/hyperv.h changes approved by KY Srinivasan. - Radim]
Signed-off-by: Radim Krčmář
(cherry picked from commit faeb7833eee0d6afe0ecb6bdfa6042556c2c352e)
[rkagan: adjusted for vzkernel]
---
Documentation/virtual/kvm/api.txt |
, I checked and genuine Hyper-V doesn't #GP when we write 0x1
to SINTx. I checked with Microsoft and they confirmed that if either the
Masked bit (bit 16) or the Polling bit (bit 18) is set to 1, then they
ignore the value of Vector. Make KVM act accordingly.
Signed-off-by: Vitaly Kuznetsov
Revi
Signed-off-by: Paolo Bonzini
(cherry picked from commit 2beb6dad2e8f95d710159d5befb390e4f62ab5cf)
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/kvm_page_track.h | 1 +
arch/x86/kvm/page_track.c | 8
arch/x86/kvm/x86.c| 1 +
3 files changed, 10
On Wed, Feb 14, 2018 at 01:47:42PM +0300, Konstantin Khorenko wrote:
> Makes sense to release it as a ReadyKernel patch?
I don't see any point in it: this only helps VZ nested in ESXi or
Hyper-V, which is probably used only in evaluation or demo scenarios.
I'm pretty confident we have zero existin
On Tue, Feb 13, 2018 at 05:02:33PM +0300, Konstantin Khorenko wrote:
> Add a minimal kernel config:
> - localmodconfig done on a KVM VM
> - all options are set to "=y" where possible
What is it going to be use{d,ful} for?
Roman.
___
Devel mailing list
D
SBM-81462
Signed-off-by: Roman Kagan
---
arch/x86/kvm/vmx.c | 18 --
arch/x86/kvm/x86.c | 3 ++-
2 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index d94946a07de6..8ab2b3d42adc 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x
icked from commit 44ed8089e991a60d614abe0ee4b9057a28b364e4)
Signed-off-by: Roman Kagan
VZ-Bug: PSBM-79523
---
drivers/virtio/virtio_ring.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index d77a91f39d55..59
d from commit 7313c698050387a11c21afb0c6b4c61f21f7c042)
[rkagan: This is a missing part of the backport of async pagefault
machinery from mainstream; hopefully it fixes #PSBM-77171]
Signed-off-by: Roman Kagan
---
arch/x86/kvm/vmx.c | 52 ++--
1 file changed, 34 inse
is fully managed by
QEMU, so zeroing them is undesirable even when writing the MSRs from the
guest side.
To support this new scheme, introduce a new capability,
KVM_CAP_HYPERV_SYNIC2, which, when enabled, makes sure that the synic
pages aren't zeroed out in KVM.
Signed-off-by: Roman Kagan
S
r each vcpu.
Signed-off-by: Christoffer Dall
Reviewed-by: Eric Auger
(cherry picked from commit 497d72d80a789501501cccabdad6b145f9e31371)
Signed-off-by: Roman Kagan
---
include/linux/kvm_host.h | 11 +++
1 file changed, 11 insertions(+)
diff --git a/include/linux/kvm_host.h b/include
.
v1 -> v2:
- replace incremental patch with a revert and a fresh backport
- pull in an intermediate upstream patch to minimize conflicts
Roman Kagan (3):
Revert "kvm/x86: clear hyperv synic pages only when guest modifies
MSRs"
kvm: x86: hyperv: add KVM_CAP_HYPERV_SYNIC2
kvm
ommit db27a7a37aa0b1f8b373f8b0fb72a2ccaafb85b7)
Signed-off-by: Roman Kagan
---
include/linux/kvm_host.h | 11 +++
1 file changed, 11 insertions(+)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ccc33ac4eccc..de3cc6d91e2f 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_h
gt; v2:
- replace incremental patch with a revert and a fresh backport
- pull in an intermediate upstream patch to minimize conflicts
Christoffer Dall (1):
KVM: Add kvm_vcpu_get_idx to get vcpu index in kvm->vcpus
David Hildenbrand (1):
KVM: Provide function for VCPU lookup by id
Roman
This reverts commit d385b9f5e7a4c225b1463655484daeebb1ca79dd.
It will be replaced by a backported mainstream commit with different
behavior.
Signed-off-by: Roman Kagan
---
arch/x86/kvm/hyperv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/hyperv.c b/arch
ere unsupported, to avoid spamming error logs.
Signed-off-by: Roman Kagan
Signed-off-by: Radim Krčmář
(cherry picked from commit d3457c877b14aaee8c52923eedf05a3b78af0476)
Signed-off-by: Roman Kagan
---
Documentation/virtual/kvm/api.txt | 9 +++
arch/x86/include/asm/kvm_host.h | 1
On Thu, Oct 12, 2017 at 12:30:18PM +0300, Konstantin Khorenko wrote:
> arch/x86/kvm/hyperv.c: In function 'kvm_hv_vcpu_postcreate':
> arch/x86/kvm/hyperv.c:708:2: error: implicit declaration of function
> 'kvm_vcpu_get_idx' [-Werror=implicit-function-declaration]
> hv_vcpu->vp_index = kvm_vcpu_g
This reverts commit d385b9f5e7a4c225b1463655484daeebb1ca79dd.
It will be replaced by a backported mainstream commit with different
behavior.
Signed-off-by: Roman Kagan
---
arch/x86/kvm/hyperv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/hyperv.c b/arch
is fully managed by
QEMU, so zeroing them is undesirable even when writing the MSRs from the
guest side.
To support this new scheme, introduce a new capability,
KVM_CAP_HYPERV_SYNIC2, which, when enabled, makes sure that the synic
pages aren't zeroed out in KVM.
Signed-off-by: Roman Kagan
S
ere unsupported, to avoid spamming error logs.
Signed-off-by: Roman Kagan
Signed-off-by: Radim Krčmář
(cherry picked from commit d3457c877b14aaee8c52923eedf05a3b78af0476)
---
Documentation/virtual/kvm/api.txt | 9 +++
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kvm/hyperv.h
-by: Wanpeng Li
Signed-off-by: Paolo Bonzini
(cherry picked from commit 546d87e5c903a7f3ee7b9f998949a94729fbc65b)
Signed-off-by: Roman Kagan
---
arch/x86/kvm/x86.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 478faf18d1cb..16a8aa071a48 100644
an intermediate upstream patch to minimize conflicts
Roman Kagan (3):
Revert "kvm/x86: clear hyperv synic pages only when guest modifies
MSRs"
kvm: x86: hyperv: add KVM_CAP_HYPERV_SYNIC2
kvm: x86: hyperv: make VP_INDEX managed by userspace
Wanpeng Li (1):
KVM: x86: fix
ere unsupported, to avoid spamming error logs.
Signed-off-by: Roman Kagan
Signed-off-by: Radim Krčmář
(cherry picked from commit d3457c877b14aaee8c52923eedf05a3b78af0476)
---
Documentation/virtual/kvm/api.txt | 9 +++
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kvm/hyperv.h
is fully managed by
QEMU, so zeroing them is undesirable even when writing the MSRs from the
guest side.
To support this new scheme, introduce a new capability,
KVM_CAP_HYPERV_SYNIC2, which, when enabled, makes sure that the synic
pages aren't zeroed out in KVM.
Signed-off-by: Roman Kagan
S
ld just be dropped, and this series be reworked as a
pure backport. Let me know if you want it this way.
The series is against branch 37.
Roman Kagan (2):
kvm: x86: hyperv: add KVM_CAP_HYPERV_SYNIC2
kvm: x86: hyperv: make VP_INDEX managed by userspace
Documentation/virtual/kvm/ap
On Fri, Sep 29, 2017 at 11:25:20AM +0300, Denis Kirjanov wrote:
> >> > > _Some_ of them related to the fact that during the faults RSP points
> >> > > to userspace and it leads to double-fault scenario.
> >> >
> >> > The postmortem you quote doesn't support that.
> >>
> >>
> >> I'll post a relevant
On Fri, Sep 29, 2017 at 12:02:37AM +0300, Denis Kirjanov wrote:
> On Thursday, September 28, 2017, Roman Kagan wrote:
> > On Thu, Sep 28, 2017 at 05:55:51PM +0300, Denis Kirjanov wrote:
> > > Hi, we're seeing double faults in async_page_fault.
> >
> > async_p
On Thu, Sep 28, 2017 at 05:55:51PM +0300, Denis Kirjanov wrote:
> Hi, we're seeing double faults in async_page_fault.
async_page_fault is the #PF handler in KVM guests. It filters out
specially crafted #PF's from the host; the rest fall through to the
regular #PF handler. So most likely you're s
nsertions(+), 59 deletions(-)
Briefly skimmed through the series, and it looks OK to me.
Reviewed-by: Roman Kagan
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On Thu, Sep 07, 2017 at 04:41:11PM +0300, Konstantin Khorenko wrote:
> 1. Feature
>
> Optimization for zero-filled pages written by VMs
> https://jira.sw.ru/browse/PSBM-64658
>
> 2. Description
>
> Any page before being written to the physical swap is checked if it is filled
> by zeroes and mapp
he slot is busy, the
processing will be restarted upon notification from the guest that the
slot is released.
Signed-off-by: Roman Kagan
Signed-off-by: Radim Krčmář
(cherry picked from commit f1ff89ec4447c4e39d275a1ca3de43eed2a92745)
---
v1 -> v2:
- actual cherry-pick from mainline ker
have the master
commit id once (if) it's merged.
Roman.
>
> --
> Best regards,
>
> Konstantin Khorenko,
> Virtuozzo Linux Kernel Team
>
> On 07/19/2017 08:31 PM, Roman Kagan wrote:
> > If the SynIC timer message delivery fails due to SINT message slot being
&g
e processing is
resumed so the timer will be started then.
Signed-off-by: Roman Kagan
---
arch/x86/kvm/hyperv.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index c8efdce3e702..ab9501c2f32c 100644
--- a/arch/x86/kvm/hype
n the SynIC message page and went to sleep, to never be
woken up again.
Signed-off-by: Roman Kagan
---
arch/x86/kvm/irq_comm.c | 11 ---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c
index c2d61d8..2bfb9a6 100644
--- a/arc
t;
> Fixes https://jira.sw.ru/browse/PSBM-58415
>
> Signed-off-by: Denis Plotnikov
Reviewed-by: Roman Kagan
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On Sat, Dec 03, 2016 at 11:22:26AM +0300, Dmitry Monakhov wrote:
>
> Pavel Tikhomirov writes:
>
> > https://jira.sw.ru/browse/PSBM-55105
> >
> > In bug we crashed in zero_fill_bio when trying to zero memset bio_vec:
> >
> > struct bio_vec {
> > bv_page = 0xea0004437500,
> > bv_len = 4294
d-off-by: Roman Kagan
Signed-off-by: Radim Krčmář
(cherry picked from commit 80e2a7bb8d7050d2ea6d8961c526a65d30d5eb08)
Fixes: PSBM-54491
Signed-off-by: Roman Kagan
---
The patch has been merged into kvm/queue but not yet pull-requested to
Linus
arch/x86/kvm/mmu.c | 2 +-
arch/x86/kvm/x86.c | 3 +
From: Denis Plotnikov
The set of patches:
1. adds tsc_scaling functionality for VMX
2. generalizes a number of functions responsible for tsc writing and
reading
3. fix VM pause/resume issue #PSBM-54338 by switching to using
of cached tsc_offset
Haozhong Zhang (12):
KVM: x86: Collect info
Bonzini
(cherry-picked from commit 35181e86df97e4223f4a28fb33e2bcf3b73de141)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/kvm_host.h | 2 ++
arch/x86/kvm/svm.c | 48 -
arch/x86/kvm/x86.c | 40
From: Luiz Capitulino
The TSC offset can now be read directly from struct kvm_arch_vcpu.
Signed-off-by: Luiz Capitulino
Signed-off-by: Paolo Bonzini
(cherry-picked from commit 3e3f50262eb441d0fd1de4dce06739e9c0fe7c61)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86
OCK
which, after commit 108b249c453d ("KVM: x86: introduce get_kvmclock_ns",
2016-09-01) called read_l1_tsc while the VMCS was not loaded.
It thus returned bogus values on Intel CPUs.
Fixes: 108b249c453dd7132599ab6dc7e435a7036c193f
Reported-by: Roman Kagan
Reviewed-by: Radim Krčmář
Si
ff-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kvm/x86.c | 10 --
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 830d1cd..1166dc5 100644
Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/kvm/vmx.c | 9 +
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 265bc0e..9f3c26a 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2176,15 +2176,16 @@ static void
adjust_tsc_offset_guest().
Signed-off-by: Haozhong Zhang
Signed-off-by: Paolo Bonzini
(cherry-picked from commit 58ea6767874e791a6c4f5c96c7d9155de4b1af28)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/kvm_host.h | 13 +
arch/x86/kvm/svm.c
Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kvm/svm.c | 27 +--
arch/x86/kvm/x86.c | 18 --
3 files changed, 30 insertions(+), 16 deletions(-)
diff --git a/arch/x86/include/asm
d52e1)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/kvm/x86.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3913a62..7fcb155 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1780,7 +1
From: Haozhong Zhang
This patch enhances dump_vmcs() to dump the value of TSC multiplier
field in VMCS.
Signed-off-by: Haozhong Zhang
Signed-off-by: Paolo Bonzini
(cherry-picked from commit 8cfe9866960581303f244780945c5d12ecc4e5bc)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
commit ff2c3a1803775cc72dc6f624b59554956396b0ee)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/kvm/vmx.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ab8a678..265bc0e 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86
-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/vmx.h | 4 +++-
arch/x86/kvm/vmx.c | 17 -
2 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index 8530b93..ebe7cf9d 100644
--- a
commit 4ba76538dd52dd9b18b464e509cb8f3ed4ed993f)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kvm/lapic.c| 4 ++--
arch/x86/kvm/svm.c | 3 +--
arch/x86/kvm/x86.c | 11 ---
4 files changed
.
Signed-off-by: Haozhong Zhang
Signed-off-by: Paolo Bonzini
(cherry-picked from commit bc9b961b357ea8129d75613b7af4fdf57ced9b9f)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/kvm_host.h | 4
arch/x86/kvm/svm.c | 3 +++
arch/x86/kvm/x86.c
07c1419a32bbba08cf1efb6d1ecaf24f174fa4c3)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/kvm_host.h | 1 -
arch/x86/kvm/svm.c | 10 --
arch/x86/kvm/vmx.c | 6 --
arch/x86/kvm/x86.c | 15 ---
4 files
From: Paolo Bonzini
These include module parameters and variables that are set by
kvm_x86_ops->hardware_setup.
Signed-off-by: Paolo Bonzini
(cherry-picked from commit 893590c73426585dfd9f33358b19f18d9395fb2f)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/include/
381d585c80e34988269bd7901ad910981e900be1)
Signed-off-by: Denis Plotnikov
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/kvm_host.h | 1 -
arch/x86/kvm/svm.c | 36
arch/x86/kvm/vmx.c | 17 ---
arch/x86/kvm/x86.c | 46
a7036c193f
Cc: Paolo Bonzini
Upstream-Message-ID: <1477933936-3681-1-git-send-email-rka...@virtuozzo.com>
Signed-off-by: Roman Kagan
---
arch/x86/kvm/hyperv.c | 16 +++-
arch/x86/kvm/x86.c| 21 -
arch/x86/kvm/x86.h| 2 +-
3 files changed, 16 i
The commit 108b249c453dd7132599ab6dc7e435a7036c193f introducing
get_kvmclock_ns was ported with a few omissions; this patch completes
the process.
Signed-off-by: Roman Kagan
---
arch/x86/kvm/x86.c | 4 ++--
arch/x86/kvm/x86.h | 9 -
2 files changed, 2 insertions(+), 11 deletions
These two patches address #PSBM-54338, by making VMCS access only from
vCPU context.
Roman Kagan (2):
KVM:x86: remnants of get_kvmclock_ns port
KVM:x86: avoid VMCS access from non-vCPU context
---
NOTE: the bug is present in the mainline kernel. The patch has been
posted; please don&#
cation of continuous
> big skbs fails there.
>
> Restore the default behaviour to fix the problem.
>
> https://jira.sw.ru/browse/PSBM-52390
>
> Reported-by: Roman Kagan
> Signed-off-by: Kirill Tkhai
Reviewed-by: Roman Kagan
_
.
Cc: sta...@vger.kernel.org # 4.1+
Fixes: 172b2386ed16a9143d9a456aae5ec87275c61489
Reviewed-by: Xiao Guangrong
Signed-off-by: Paolo Bonzini
(cherry picked from commit 70e4da7a8ff62f2775337b705f45c804bb450454)
Signed-off-by: Roman Kagan
---
arch/x86/kvm/x86.c | 8
1 file changed, 4 insertions(+), 4
Message-Id: <1427933438-12782-4-git-send-email-na...@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini
(cherry picked from commit ae561edeb421fbc24f97df7af8607c14009c16b2)
Signed-off-by: Roman Kagan
---
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kvm/x86.c | 14 ++
A couple of mainstream backports to fix debug register updates on vcpu
transitions to/from guest.
Supposed to fix, in particular, occasional misses of hardware
breakpoints (https://jira.sw.ru/browse/PSBM-50488).
Nadav Amit (1):
KVM: x86: DR0-DR3 are not clear on reset
Paolo Bonzini (1):
KVM:
> arch/x86/include/uapi/asm/hyperv.h | 4 ++-
> arch/x86/kvm/hyperv.c | 50
> +++---
> arch/x86/kvm/svm.c | 3 +--
> arch/x86/kvm/vmx.c | 2 +-
> drivers/hv/hyperv_vmbus.h | 6 -
> include/u
zini
> Signed-off-by: Pavel Butsykin
Reviewed-by: Roman Kagan
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rivers/hv/hyperv_vmbus.h | 92 +
> include/linux/hyperv.h | 1 +
> include/linux/kvm_host.h | 29 ++
> include/uapi/linux/kvm.h | 24 ++
> kernel/sched/cputime.c | 2 +
> virt/kvm/eventfd.c | 42 +-
>
On Wed, Dec 12, 2007 at 12:27:01PM +0100, Enrico Weigelt wrote:
> No I'd like to request an feature for catching the console.
> IMHO, it's enough to have an option to vzctl start, which tells
> it to not to detach and bring the VE's console to the current tty.
Unfortunately this is much trickier t
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