Jiri Slaby jsl...@suse.cz writes:
On 06/04/2014 07:48 AM, Greg KH wrote:
On Wed, May 14, 2014 at 03:11:22PM -0400, Konrad Rzeszutek Wilk wrote:
Hey Greg
This email is in regards to backporting two patches to stable that
fall under the 'performance' rule:
Vitaly Kuznetsov vkuzn...@redhat.com writes:
Jiri Slaby jsl...@suse.cz writes:
On 06/04/2014 07:48 AM, Greg KH wrote:
On Wed, May 14, 2014 at 03:11:22PM -0400, Konrad Rzeszutek Wilk wrote:
Hey Greg
This email is in regards to backporting two patches to stable that
fall under
Roger Pau Monné roger@citrix.com writes:
On 10/06/14 15:19, Vitaly Kuznetsov wrote:
Vitaly Kuznetsov vkuzn...@redhat.com writes:
Jiri Slaby jsl...@suse.cz writes:
On 06/04/2014 07:48 AM, Greg KH wrote:
On Wed, May 14, 2014 at 03:11:22PM -0400, Konrad Rzeszutek Wilk wrote:
Hey Greg
a difference
between our test environments.
You could also test Ubuntu Sancy guests with and without the patched kernels
provided by Joseph Salisbury on launchpad:
https://bugs.launchpad.net/bugs/1319003
Thanks,
Felipe
-Original Message-
From: Vitaly Kuznetsov [mailto:vkuzn
: 26b0
(XEN) cr3: 00013a263000 cr2:
(XEN) ds: es: fs: gs: ss: e02b cs: e033
...
However it is possible to proceed without NMI callback registered.
Change BUG() with warning in case of -EINVAL.
Signed-off-by: Vitaly Kuznetsov vkuzn
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Fri, Jun 13, 2014 at 01:26:28PM +0200, Vitaly Kuznetsov wrote:
some old Xen hypervisors (prior to 3.2) forbid DomUs to register
NMI callbacks. E.g. we have the following code in xen-3.1:
if ( (d-domain_id != 0) || (v-vcpu_id != 0
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
Hey Greg
This email is in regards to backporting two patches to stable that
fall under the 'performance' rule:
bfe11d6de1c416cea4f3f0f35f864162063ce3fa
fbe363c476afe8ec992d3baf682670a4bd1b6ce6
I've copied Jerry - the maintainer of
Vitaly Kuznetsov vkuzn...@redhat.com writes:
1) ramdisks (/dev/ram*) (persistent grants and indirect descriptors
disabled)
sorry, there was a typo. persistent grants and indirect descriptors are
enabled with ramdisks, otherwise such testing won't make any sense.
2) /tmp/img*.img on tmpfs
Roger Pau Monné roger@citrix.com writes:
On 20/05/14 11:54, Vitaly Kuznetsov wrote:
Vitaly Kuznetsov vkuzn...@redhat.com writes:
1) ramdisks (/dev/ram*) (persistent grants and indirect descriptors
disabled)
sorry, there was a typo. persistent grants and indirect descriptors
-Original Message-
From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
Sent: 20 May 2014 12:41
To: Roger Pau Monne
Cc: Konrad Rzeszutek Wilk; ax...@kernel.dk; Felipe Franciosi;
gre...@linuxfoundation.org; linux-kernel@vger.kernel.org;
sta...@vger.kernel.org; jerry.snitsel...@oracle.com
() when running under Xen 3.2
- never BUG() in xen_enable_nmi()
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
arch/x86/xen/enlighten.c | 9 +
arch/x86/xen/setup.c | 17 ++---
2 files changed, 19 insertions(+), 7 deletions(-)
diff --git a/arch/x86/xen/enlighten.c b
David Vrabel david.vra...@citrix.com writes:
On 07/07/14 21:33, Andrew Morton wrote:
On Mon, 7 Jul 2014 17:05:49 +0200 Vitaly Kuznetsov vkuzn...@redhat.com
wrote:
we have a special check in read_vmcore() handler to check if the page was
reported as ram or not by the hypervisor
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Mon, Jul 07, 2014 at 05:05:49PM +0200, Vitaly Kuznetsov wrote:
we have a special check in read_vmcore() handler to check if the page was
reported as ram or not by the hypervisor (pfn_is_ram()). However, when
vmcore is read with mmap
Vivek Goyal vgo...@redhat.com writes:
On Mon, Jul 07, 2014 at 05:05:49PM +0200, Vitaly Kuznetsov wrote:
we have a special check in read_vmcore() handler to check if the page was
reported as ram or not by the hypervisor (pfn_is_ram()).
I am wondering if this name pfn_is_ram() appropriate
of new offset
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
Reviewed-by: Andrew Jones drjo...@redhat.com
---
fs/proc/vmcore.c | 89
1 file changed, 84 insertions(+), 5 deletions(-)
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
-by: Vitaly Kuznetsov vkuzn...@redhat.com
Reviewed-by: Andrew Jones drjo...@redhat.com
---
fs/proc/vmcore.c | 82 +---
1 file changed, 79 insertions(+), 3 deletions(-)
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 382aa89..66dac43 100644
() for the zero page
- return remapped length instead of new offset
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
Reviewed-by: Andrew Jones drjo...@redhat.com
---
fs/proc/vmcore.c | 83 ++--
1 file changed, 80 insertions(+), 3 deletions
.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
fs/proc/vmcore.c | 68 +++-
1 file changed, 62 insertions(+), 6 deletions(-)
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 382aa89..2716e19 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc
Andrew Morton a...@linux-foundation.org writes:
On Mon, 7 Jul 2014 17:05:49 +0200 Vitaly Kuznetsov vkuzn...@redhat.com
wrote:
we have a special check in read_vmcore() handler to check if the page was
reported as ram or not by the hypervisor (pfn_is_ram()). However, when
vmcore is read
the
remap_oldmem_pfn() interface
- preserve formal parameters within the loop, make the loop conditions
easier to understand
- use my_zero_pfn() for the zero page
- return remapped length instead of new offset
Reviewed-by: Andrew Jones drjo...@redhat.com
Signed-off-by: Vitaly Kuznetsov vkuzn
HATAYAMA, Daisuke d.hatay...@jp.fujitsu.com writes:
(2014/07/14 18:16), Vitaly Kuznetsov wrote:
We have a special check in read_vmcore() handler to check if the page was
reported as ram or not by the hypervisor (pfn_is_ram()). However, when
vmcore is read with mmap() no such check
drjo...@redhat.com
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
fs/proc/vmcore.c | 83 ++--
1 file changed, 80 insertions(+), 3 deletions(-)
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 382aa89..fa45923 100644
--- a/fs/proc
. We're loosing existing PIRQ and I'm
also
not sure when __write_msi_msg() with new PIRQ will result in new mapping.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
arch/x86/pci/xen.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci
Vitaly Kuznetsov (3):
xen/pvhvm: Introduce xen_pvhvm_kexec_shutdown()
xen/pvhvm: Unmap all PIRQs on startup and shutdown
xen/pvhvm: Make MSI IRQs work after kexec
arch/x86/pci/xen.c | 3 +-
arch/x86/xen/enlighten.c | 83 +++-
arch/x86/xen
did not do]
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
arch/x86/xen/enlighten.c | 74
arch/x86/xen/suspend.c | 2 +-
arch/x86/xen/xen-ops.h | 2 +-
3 files changed, 58 insertions(+), 20 deletions(-)
diff --git a/arch/x86/xen
PVHVM guest requires special actions before kexec. Register specific
xen_pvhvm_kexec_shutdown() handler for machine_ops.shutdown().
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
arch/x86/xen/enlighten.c | 9 +
arch/x86/xen/smp.c | 9 +
arch/x86/xen/smp.h | 1
;
- shutdown-time unmapping is required to make Qemu-emulated NICs work after
kexec (event channel is being closed on shutdown but no PHYSDEVOP_unmap_pirq
is being performed).
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
arch/x86/xen/smp.c | 1 +
drivers/xen/events
() for the zero page
- return remapped length instead of new offset
Reviewed-by: Andrew Jones drjo...@redhat.com
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
fs/proc/vmcore.c | 82 +---
1 file changed, 79 insertions(+), 3 deletions(-)
diff
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Tue, Jul 15, 2014 at 03:40:37PM +0200, Vitaly Kuznetsov wrote:
From: Olaf Hering o...@aepfle.de
This is a respin of 00e37bdb0113a98408de42db85be002f21dbffd3
(xen PVonHVM: move shared_info to MMIO before kexec).
Currently kexec
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Tue, Jul 15, 2014 at 03:40:38PM +0200, Vitaly Kuznetsov wrote:
PVHVM guest requires special actions before kexec. Register specific
xen_pvhvm_kexec_shutdown() handler for machine_ops.shutdown().
This looks close to what I had sent
David Vrabel david.vra...@citrix.com writes:
On 15/07/14 14:40, Vitaly Kuznetsov wrote:
When kexec is being run PIRQs from Qemu-emulated devices are still
mapped to old event channels and new kernel has no information about
that. Trying to map them twice results in the following in Xen's
David Vrabel david.vra...@citrix.com writes:
On 29/07/14 14:50, Vitaly Kuznetsov wrote:
David Vrabel david.vra...@citrix.com writes:
On 15/07/14 14:40, Vitaly Kuznetsov wrote:
When kexec is being run PIRQs from Qemu-emulated devices are still
mapped to old event channels and new kernel has
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Tue, Jul 15, 2014 at 03:40:40PM +0200, Vitaly Kuznetsov wrote:
When kexec was peformed MSI IRQs for passthrough-ed devices were already
mapped and we see non-zero pirq extracted from MSI msg. xen_irq_from_pirq()
fails as we have no IRQ
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Tue, Jul 15, 2014 at 03:40:39PM +0200, Vitaly Kuznetsov wrote:
When kexec is being run PIRQs from Qemu-emulated devices are still
mapped to old event channels and new kernel has no information about
that. Trying to map them twice results
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Wed, Jul 16, 2014 at 11:37:10AM +0200, Vitaly Kuznetsov wrote:
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Tue, Jul 15, 2014 at 03:40:39PM +0200, Vitaly Kuznetsov wrote:
When kexec is being run PIRQs from Qemu-emulated
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Wed, Jul 16, 2014 at 11:01:55AM +0200, Vitaly Kuznetsov wrote:
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Tue, Jul 15, 2014 at 03:40:40PM +0200, Vitaly Kuznetsov wrote:
When kexec was peformed MSI IRQs for passthrough-ed
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Wed, Jul 16, 2014 at 07:20:39PM +0200, Vitaly Kuznetsov wrote:
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Wed, Jul 16, 2014 at 11:01:55AM +0200, Vitaly Kuznetsov wrote:
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes
the
remap_oldmem_pfn() interface
- preserve formal parameters within the loop, make the loop conditions
easier to understand
- use my_zero_pfn() for the zero page
- return remapped length instead of new offset
Reviewed-by: Andrew Jones drjo...@redhat.com
Signed-off-by: Vitaly Kuznetsov vkuzn
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Tue, Jul 15, 2014 at 05:43:17PM +0200, Vitaly Kuznetsov wrote:
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Tue, Jul 15, 2014 at 03:40:37PM +0200, Vitaly Kuznetsov wrote:
From: Olaf Hering o...@aepfle.de
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Fri, Jul 18, 2014 at 01:05:46PM +0200, Vitaly Kuznetsov wrote:
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes:
On Tue, Jul 15, 2014 at 05:43:17PM +0200, Vitaly Kuznetsov wrote:
Konrad Rzeszutek Wilk konrad.w...@oracle.com writes
David Vrabel david.vra...@citrix.com writes:
On 15/07/14 14:40, Vitaly Kuznetsov wrote:
With this patch series I'm trying to address several issues with kexec on
pvhvm:
- shared_info issue (1st patch, just sending Olaf's work with Konrad's fix)
- create specific pvhvm shutdown handler
David Vrabel david.vra...@citrix.com writes:
On 01/08/14 13:21, Vitaly Kuznetsov wrote:
David Vrabel david.vra...@citrix.com writes:
On 15/07/14 14:40, Vitaly Kuznetsov wrote:
With this patch series I'm trying to address several issues with kexec on
pvhvm:
- shared_info issue (1st patch
the structure packed and add padding to match re reality. Tested both i586 and
x86_64
on Hyper-V Server 2012 R2.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
include/uapi/linux/hyperv.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/linux/hyperv.h b/include/uapi/linux
in foreground
for that. Some distros already carry distro-specific patch for hv tools
which switches off daemon().
Introduce -n/--no-daemon option for all 3 daemons in hv/tools. Parse options
with getopt() to make this part easily expandable.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
tools/hv
, reconnect works fine.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/block/xen-blkback/xenbus.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/block/xen-blkback/xenbus.c
b/drivers/block/xen-blkback/xenbus.c
index 3a8b810..54f4089 100644
--- a/drivers
issues.
This patch is based on the original patch by Laszlo Ersek and a comment by
Jeff Moyer.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/block/xen-blkfront.c | 14 --
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/block/xen-blkfront.c b
Dexuan Cui de...@microsoft.com writes:
Under high memory pressure and very high KVP R/W test pressure, the netlink
recvfrom() may transiently return ENOBUFS to the daemon -- we found this
during a 2-week stress test.
We'd better not terminate the daemon on this failure, because a typical KVP
Dexuan Cui de...@microsoft.com writes:
-Original Message-
From: Vitaly Kuznetsov
Sent: Wednesday, November 19, 2014 18:50 PM
To: Dexuan Cui
Cc: gre...@linuxfoundation.org; linux-kernel@vger.kernel.org; driverdev-
de...@linuxdriverproject.org; o...@aepfle.de; a...@canonical.com
Dexuan Cui de...@microsoft.com writes:
-Original Message-
From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
Sent: Wednesday, November 19, 2014 20:41 PM
To: Dexuan Cui
Cc: gre...@linuxfoundation.org; linux-kernel@vger.kernel.org; driverdev-
de...@linuxdriverproject.org; o
Dexuan Cui de...@microsoft.com writes:
-Original Message-
From: Vitaly Kuznetsov
--
Vitaly
OK, I can add this new check:
(I'll send out the v2 tomorrow in case people have new comments)
Thanks!
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
user will re-try the R/W and hopefully it will succeed next time.
We can also ignore the errors on sending.
Cc: Vitaly Kuznetsov vkuzn...@redhat.com
Cc: K. Y. Srinivasan k...@microsoft.com
Signed-off-by: Dexuan Cui de...@microsoft.com
---
v2: I also ignore the errors on sending, as Vitaly
Dexuan Cui de...@microsoft.com writes:
-Original Message-
From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
Sent: Saturday, November 8, 2014 1:09 AM
To: KY Srinivasan; Haiyang Zhang; Greg Kroah-Hartman
Cc: de...@linuxdriverproject.org; linux-kernel@vger.kernel.org; Dexuan Cui
of freeze was thrown away as
Dexuan's
Tools: hv: vssdaemon: ignore the EBUSY on multiple freezing the same
partition contains
the same change;
- Tools: hv: vssdaemon: consult with errno in case of failure only was
replaced with
Tools: hv: vssdaemon: report freeze errors.
Vitaly Kuznetsov (2
Instead of making a list of exceptions for readonly filesystems
in addition to iso9660 we already have it is better to skip freeze
operation for all readonly-mounted filesystems.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
tools/hv/hv_vss_daemon.c | 2 +-
1 file changed, 1 insertion
during freezing of '/' as it usually
results in SEGSEGV.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
tools/hv/hv_vss_daemon.c | 16
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c
index b720d8f..ee44f0d
. Srinivasan k...@microsoft.com
Signed-off-by: Dexuan Cui de...@microsoft.com
Reviewed-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/hv/hv_fcopy.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/drivers/hv/hv_fcopy.c b/drivers/hv/hv_fcopy.c
index 23b2ce2..177122a 100644
Boris Ostrovsky boris.ostrov...@oracle.com writes:
On 11/03/2014 07:22 AM, Laszlo Ersek wrote:
On 10/27/14 14:44, Vitaly Kuznetsov wrote:
Guard against issuing unsupported REQ_FUA and REQ_FLUSH was introduced
in d11e61583 and was factored out into blkif_request_flush_valid() in
0f1ca65ee
on resume). Suspend still works.
Tested with WS2008R2 and WS2012R2.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/hv/vmbus_drv.c | 19 +++
1 file changed, 19 insertions(+)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 4d6b269..9a82249 100644
Dexuan Cui de...@microsoft.com writes:
-Original Message-
From: devel [mailto:driverdev-devel-boun...@linuxdriverproject.org] On
Behalf Of Greg Kroah-Hartman
Sent: Thursday, November 27, 2014 11:03 AM
To: Vitaly Kuznetsov
Cc: de...@linuxdriverproject.org; Haiyang Zhang; linux-
ker
schedule_delayed_work().
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/hv/hv_snapshot.c | 20 ++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c
index 34f14fd..21e51be 100644
--- a/drivers/hv/hv_snapshot.c
+++ b
discussing. In theory
freeze/thaw
ioctls should be fast. In case someone thinks 10 seconds is not enough we can
easily
increase it as we cover the most common failure scenario (when the daemon was
stopped)
with the second patch of this series.
Vitaly Kuznetsov (2):
Drivers: hv: vss: Introduce
userspace daemon gets
disconnected so we won't receive new requests. But I'm not sure it is
possible.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/hv/hv_kvp.c | 9 -
drivers/hv/hv_snapshot.c | 8 +++-
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git
freeze/thaw requests at the same time they will collide with vss
daemon. This issue can be addressed by introducing a freeze/thaw transaction
and keeping track of what was actually frozen
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
tools/hv/hv_vss_daemon.c | 6 ++
1 file changed, 6
This patch series addresses the following issues:
- Wrong error reporting for multiple filesystems case.
- Skip all readonly-mounted filesystems instead of skipping iso9660.
- Thaw all filesystems after an unsuccessful freeze attempt.
Vitaly Kuznetsov (3):
Tools: hv: vssdaemon: consult
Hyper-V VSS: VSS: freeze of /: Operation not supported
We should also log errors with LOG_ERR instead of LOG_INFO.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
tools/hv/hv_vss_daemon.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/tools/hv/hv_vss_daemon.c b
Instead of making a list of exceptions for readonly filesystems
in addition to iso9660 we already have it is better to skip freeze
operation for all readonly-mounted filesystems.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
tools/hv/hv_vss_daemon.c | 2 +-
1 file changed, 1 insertion
Boris Ostrovsky boris.ostrov...@oracle.com writes:
On 12/01/2014 08:01 AM, Vitaly Kuznetsov wrote:
Guard against issuing unsupported REQ_FUA and REQ_FLUSH was introduced
in d11e61583 and was factored out into blkif_request_flush_valid() in
0f1ca65ee. However:
1) This check in incomplete
-device_obj)' check
in vmbus_process_rescind_offer() and pr_debug() in vmbus_device_unregister() the
device can disappear. Fix the issue by taking an additional reference to the
device before proceeding to vmbus_device_unregister().
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/hv
KY Srinivasan k...@microsoft.com writes:
-Original Message-
From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
Sent: Wednesday, October 22, 2014 9:07 AM
To: KY Srinivasan; Haiyang Zhang; de...@linuxdriverproject.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] tools: hv
or
fcopy_transaction.fcopy_msg will be used immediately.
Cc: Jason Wang jasow...@redhat.com
Cc: Vitaly Kuznetsov vkuzn...@redhat.com
Cc: K. Y. Srinivasan k...@microsoft.com
Signed-off-by: Dexuan Cui de...@microsoft.com
---
v2: I removed the FCP prefix as Greg
on resume). Suspend still works.
Tested with WS2008R2 and WS2012R2.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
Changes since v1:
- introduce hv_cpu_hotplug_quirk() function to not spread #ifdefs [Greg KH]
- add pr_notice() message hv_vmbus: CPU offlining is not supported by
hypervisor
issues.
This patch is based on the original patch by Laszlo Ersek and a comment by
Jeff Moyer.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
Reviewed-by: Laszlo Ersek ler...@redhat.com
---
drivers/block/xen-blkfront.c | 14 --
1 file changed, 8 insertions(+), 6 deletions(-)
diff
flush_op is unambiguously defined by feature_flush:
REQ_FUA | REQ_FLUSH - BLKIF_OP_WRITE_BARRIER
REQ_FLUSH - BLKIF_OP_FLUSH_DISKCACHE
0 - 0
and thus can be removed. This is just a cleanup.
The patch was suggested by Boris Ostrovsky.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
Dexuan Cui de...@microsoft.com writes:
Currently IPv6-only-injection doesn't work because the daemon doesn't parse
any IPv6 information at all once it finds the dhcp_enabled flag is true.
But according to the Hyper-v host team, the flag is only for IPv4.
In the case the host only injects 1
flush_op is unambiguously defined by feature_flush:
REQ_FUA | REQ_FLUSH - BLKIF_OP_WRITE_BARRIER
REQ_FLUSH - BLKIF_OP_FLUSH_DISKCACHE
0 - 0
and thus can be removed. This is just a cleanup.
The patch was suggested by Boris Ostrovsky.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
()
Vitaly Kuznetsov (5):
Tools: hv: add mising fcopyd to the Makefile
Tools: hv: remove unused bytes_written from kvp_update_file()
Tools: hv: address compiler warnings for hv_kvp_daemon.c
Tools: hv: address compiler warnings for hv_fcopy_daemon.c
Tools: hv: do not add redundant
’ set but not used
[-Wunused-but-set-variable]
Remove bytes_written completely.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
tools/hv/hv_kvp_daemon.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index
We don't need to add additional '/' to smsg-path_name as snprintf(%s/%s)
does the right thing. Without the patch we get doubled '//' in the log message.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
tools/hv/hv_fcopy_daemon.c | 6 --
1 file changed, 6 deletions(-)
diff --git
fcopyd in missing in the Makefile, add it there.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
tools/hv/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/hv/Makefile b/tools/hv/Makefile
index bd22f78..99ffe61 100644
--- a/tools/hv/Makefile
+++ b
This patch addresses two types of compiler warnings:
... warning: comparison between signed and unsigned integer expressions
[-Wsign-compare]
and
... warning: pointer targets in passing argument N of ‘kvp_...’ differ in
signedness [-Wpointer-sign]
Signed-off-by: Vitaly Kuznetsov vkuzn
This patch addresses two types of compiler warnings:
... warning: unused variable ‘fd’ [-Wunused-variable]
and
... warning: format ‘%s’ expects argument of type ‘char *’, but argument 5 has
type ‘__u16 *’ [-Wformat=]
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
tools/hv
Dexuan Cui de...@microsoft.com writes:
Thanks,
-- Dexuan
-Original Message-
From: Dexuan Cui
Sent: Wednesday, December 10, 2014 15:34 PM
To: 'Vitaly Kuznetsov'
Cc: gre...@linuxfoundation.org; linux-kernel@vger.kernel.org; driverdev-
de...@linuxdriverproject.org; o...@aepfle.de
Dexuan Cui de...@microsoft.com writes:
-Original Message-
From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
Sent: Tuesday, December 9, 2014 23:48 PM
To: KY Srinivasan
Cc: Haiyang Zhang; de...@linuxdriverproject.org; linux-
ker...@vger.kernel.org; Dexuan Cui
Subject: [PATCH 0/5
Dexuan Cui de...@microsoft.com writes:
-Original Message-
From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
Sent: Tuesday, December 9, 2014 21:06 PM
To: Dexuan Cui
Cc: gre...@linuxfoundation.org; linux-kernel@vger.kernel.org; driverdev-
de...@linuxdriverproject.org; o...@aepfle.de
for IPv4 according to Hyper-V host team), but we still need
to
proceed to parse the IPv6 information.
Cc: Vitaly Kuznetsov vkuzn...@redhat.com
Cc: K. Y. Srinivasan k...@microsoft.com
Signed-off-by: Dexuan Cui de...@microsoft.com
---
v2: removed the distro-specific logic as Vitaly suggested
Vitaly Kuznetsov vkuzn...@redhat.com writes:
It is possible (since 93e5bd06a953: Drivers: hv: Make the vmbus driver
unloadable) to unload hv_vmbus driver if no other devices are connected.
1aec169673d7: x86: Hyperv: Cleanup the irq mess fixed doulble interrupt
gate setup. However, if we try
Jason Wang jasow...@redhat.com writes:
On Wed, Feb 4, 2015 at 1:00 AM, Vitaly Kuznetsov vkuzn...@redhat.com
wrote:
free_channel() function frees the channel unconditionally so we need
to make
sure nobody has any link to it. This is not trivial and there are
several
examples of races we
Dexuan Cui de...@microsoft.com writes:
-Original Message-
From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
Sent: Wednesday, February 4, 2015 1:01 AM
To: KY Srinivasan; de...@linuxdriverproject.org
Cc: Haiyang Zhang; linux-kernel@vger.kernel.org; Dexuan Cui; Jason Wang
Subject
Dexuan Cui de...@microsoft.com writes:
-Original Message-
From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
Sent: Thursday, January 29, 2015 21:31 PM
To: Dexuan Cui
Cc: gre...@linuxfoundation.org; linux-kernel@vger.kernel.org; driverdev-
de...@linuxdriverproject.org; o
vmbus_get_outgoing_channel()
search holding primary-lock as child channels are not being freed unless
they're
removed from parent's list.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/hv/channel_mgmt.c | 10 +++---
drivers/scsi/storvsc_drv.c | 2 ++
2 files changed, 9 insertions
jasow...@redhat.com
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/net/hyperv/netvsc.c | 10 --
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 9f49c01..d9b13a1 100644
--- a/drivers/net/hyperv
of
free_channel().
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/hv/channel_mgmt.c | 45 ++---
drivers/hv/connection.c | 7 +--
drivers/hv/hyperv_vmbus.h | 4
include/linux/hyperv.h| 13 +
4 files changed, 60
., Haiyang, I'm not sending this series to netdev@ and linux-scsi@ as it is
supposed to be applied as a whole, please resend these patches with your
sign-offs when (and if) we're done with reviews. Thanks!
Vitaly Kuznetsov (4):
Drivers: hv: vmbus: implement get/put usage workflow for vmbus
channels
list_del in
vmbus_process_rescind_offer()
hitting an uninitialized list.
Reported-by: Dexuan Cui de...@microsoft.com
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
---
drivers/hv/channel_mgmt.c | 20 ++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers
KY Srinivasan k...@microsoft.com writes:
-Original Message-
From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com]
Sent: Tuesday, February 3, 2015 9:01 AM
To: KY Srinivasan; de...@linuxdriverproject.org
Cc: Haiyang Zhang; linux-kernel@vger.kernel.org; Dexuan Cui; Jason Wang
Subject
that contains all
those ranges. Without this change, only some of the memory-mapped
I/O space will be available for child devices, and only in some
virtual BIOS configurations (Generation 2 VMs).
This patch has been updated with feedback from Vitaly Kuznetsov.
Cleanup is now driven by the acpi remove
Dan Carpenter dan.carpen...@oracle.com writes:
On Mon, Jan 19, 2015 at 05:56:11PM +0100, Vitaly Kuznetsov wrote:
vmbus_device_create() result is not being checked in vmbus_process_offer()
and
it can fail if kzalloc() fails. Add the check and do minor cleanup to avoid
additional duplication
vmbus_device_create() result is not being checked in vmbus_process_offer() and
it can fail if kzalloc() fails. Add the check and do minor cleanup to avoid
additional duplication of free_channel(); return; block.
Reported-by: Jason Wang jasow...@redhat.com
Signed-off-by: Vitaly Kuznetsov vkuzn
sc_lock spinlock in struct vmbus_channel is being used to not only protect the
sc_list field, e.g. vmbus_open() function uses it to implement test-and-set
access to the state field. Rename it to the more generic 'lock' and add the
description.
Signed-off-by: Vitaly Kuznetsov vkuzn...@redhat.com
for
rescind and work fields. [K. Y. Srinivasan]
Vitaly Kuznetsov (3):
Drivers: hv: check vmbus_device_create() return value in
vmbus_process_offer()
Drivers: hv: rename sc_lock to the more generic lock
Drivers: hv: vmbus: serialize Offer and Rescind offer
drivers/hv/channel.c | 6
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