From: Stephen Hemminger
Minor changes to align hyper-v vmbus include files with current
linux kernel style.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hyperv_vmbus.h | 16
include/linux/hyperv.h| 12 ++--
2 files changed, 1
From: Stephen Hemminger
Don't initialize variables that are then set a few lines later.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 13 +
1 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b
From: K. Y. Srinivasan
Miscellaneous fixes.
Stephen Hemminger (10):
vmbus: only reschedule tasklet if time limit exceeded
vmbus: use rcu for per-cpu channel list
hyperv: fix warning about missing prototype
vmbus: remove useless return's
vmbus: remove unnecessary initialization
vmbus:
From: Stephen Hemminger
No need for empty return at end of void function
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv_balloon.c |2 --
drivers/hv/hv_fcopy.c|2 --
drivers/hv/hv_kvp.c |2 --
drivers/hv/hv_snapshot.c |2 --
drivers
From: Stephen Hemminger
The change to reschedule tasklet if more data arrives in ring buffer
can cause performance regression if host timing is such that the
next response happens in small window.
Go back to a modified version of the original looping behavior.
If the race occurs in a small time,
From: Stephen Hemminger
hv_ringbuffer_read cleanup.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c |6 ++
1 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 52d0556..8a
From: Stephen Hemminger
Compiling with warnings enabled finds missing prototype for
hv_do_hypercall.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/hv_init.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/hyperv/hv_init
From: Stephen Hemminger
Allow driver to get debug information about state of the ring.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hyperv_vmbus.h | 11 ---
drivers/hv/ring_buffer.c |1 +
include/linux/hyperv.h| 17 +
3 f
From: Stephen Hemminger
The per-cpu channel list is now referred to in the interrupt
routine. This is mostly safe since the host will not normally generate
an interrupt when channel is being deleted but if it did then there
would be a use after free problem.
To solve, this use RCU protection on
From: Stephen Hemminger
Several spelling errors in comments
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel.c | 10 +-
drivers/hv/hv_kvp.c | 10 +-
2 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/hv/channel.
From: Stephen Hemminger
This table is immutable and should be const.
Cleanup indentation and whitespace for this as well.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel_mgmt.c | 48 ++--
drivers/hv/hyperv_vmbus
From: Dexuan Cui
Without the patch, I always get a "BUG: spinlock bad magic" warning.
Fixes: 3716a49a81ba ("hv_utils: implement Hyper-V PTP source")
Signed-off-by: Dexuan Cui
Cc: Vitaly Kuznetsov
Cc: "K. Y. Srinivasan"
Cc: Haiyang Zhang
Cc: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
From: Stephen Hemminger
hv_ringbuffer_read cleanup.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c |6 ++
1 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 52d0556..8a
From: K. Y. Srinivasan
Miscellaneous cleanup.
Stephen Hemminger (9):
vmbus: only reschedule tasklet if time limit exceeded
hyperv: fix warning about missing prototype
vmbus: remove useless return's
vmbus: remove unnecessary initialization
vmbus: fix spelling errors
hyperv: remove unn
From: Stephen Hemminger
Don't initialize variables that are then set a few lines later.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 13 +
1 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b
From: Stephen Hemminger
Compiling with warnings enabled finds missing prototype for
hv_do_hypercall.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/hv_init.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/hyperv/hv_init
From: Stephen Hemminger
This table is immutable and should be const.
Cleanup indentation and whitespace for this as well.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel_mgmt.c | 48 ++--
drivers/hv/hyperv_vmbus
From: Stephen Hemminger
The change to reschedule tasklet if more data arrives in ring buffer
can cause performance regression if host timing is such that the
next response happens in small window.
Go back to a modified version of the original looping behavior.
If the race occurs in a small time,
From: Stephen Hemminger
Several spelling errors in comments
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel.c | 10 +-
drivers/hv/hv_kvp.c | 10 +-
2 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/hv/channel.
From: Stephen Hemminger
Minor changes to align hyper-v vmbus include files with current
linux kernel style.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hyperv_vmbus.h | 16
include/linux/hyperv.h| 12 ++--
2 files changed, 1
From: K. Y. Srinivasan
Fix a typo in the macro.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/include/uapi/asm/hyperv.h |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/include/uapi/asm/hyperv.h
b/arch/x86/include/uapi/asm/hyperv.h
index 3a20ccf..32ea7a3 10064
From: K. Y. Srinivasan
Enable autoeoi based on the hypervisor recommendations.
This is required to support vAPIC.
K. Y. Srinivasan (2):
Drivers: hv: Fix a typo
Drivers: hv: Base autoeoi enablement based on hypervisor hints
arch/x86/include/uapi/asm/hyperv.h |7 ++-
drivers/hv/hv.c
From: K. Y. Srinivasan
Some miscellaneous fixes.
K. Y. Srinivasan (2):
pci-hyperv: Fix a bug in specifying CPU affinity
pci-hyperv: Fix an atomic bug
drivers/pci/host/pci-hyperv.c | 13 +
1 files changed, 9 insertions(+), 4 deletions(-)
__
From: K. Y. Srinivasan
When we have 32 or more CPUs in the affinity mask, we should
use a special constant to specify that to the host. Fix this issue.
Signed-off-by: K. Y. Srinivasan
Cc:
---
drivers/pci/host/pci-hyperv.c | 11 ---
1 files changed, 8 insertions(+), 3 deletions(-)
d
From: K. Y. Srinivasan
When we have 32 or more CPUs in the affinity mask, we should
use a special constant to specify that to the host. Fix this issue.
Signed-off-by: K. Y. Srinivasan
Cc:
---
drivers/pci/host/pci-hyperv.c | 10 +++---
1 files changed, 7 insertions(+), 3 deletions(-)
di
From: K. Y. Srinivasan
The memory allocation here needs to be non-blocking.
Fix the issue.
Signed-off-by: K. Y. Srinivasan
Cc:
---
drivers/pci/host/pci-hyperv.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyper
From: K. Y. Srinivasan
Initialize the return value correctly.
Signed-off-by: K. Y. Srinivasan
---
drivers/net/hyperv/netvsc_drv.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index eb7ae79..f830bbb 1
From: K. Y. Srinivasan
Fix miscellaneous issues.
K. Y. Srinivasan (2):
netvsc: Fix a bug in sub-channel handling
netvsc: Properly initialize the return value
drivers/net/hyperv/netvsc_drv.c |2 +-
drivers/net/hyperv/rndis_filter.c |5 +
2 files changed, 6 insertions(+), 1 del
From: K. Y. Srinivasan
All netvsc channels are handled via NAPI. Setup the "read mode" correctly
for the netvsc sub-channels.
Signed-off-by: K. Y. Srinivasan
---
drivers/net/hyperv/rndis_filter.c |5 +
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/net/hyperv/rn
From: K. Y. Srinivasan
When auto EOI is not enabled; issue an explicit EOI for hyper-v
interrupts.
Fixes: 6c248aad81c8 ("Drivers: hv: Base autoeoi enablement based on hypervisor
hints")
Signed-off-by: K. Y. Srinivasan
---
arch/x86/kernel/cpu/mshyperv.c |3 +++
1 files changed, 3 insertio
From: "K. Y. Srinivasan"
Hyper-V supports MSR based APIC access; implement
the enlightenment.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/Makefile| 2 +-
arch/x86/hyperv/hv_apic.c | 98 +
arch/x86/hyperv/hv_init.c | 5 ++-
a
From: "K. Y. Srinivasan"
Hyper-V supports hypercalls to implement IPI; use them.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/hv_apic.c | 125 +
arch/x86/hyperv/hv_init.c | 17 +
arch/x86/include/asm/hyperv-tlfs.h | 9 +++
arc
From: "K. Y. Srinivasan"
Consolidate code for converting cpumask to vpset.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/hv_apic.c | 2 +-
arch/x86/hyperv/mmu.c | 45 +++---
arch/x86/include/asm/hyperv-tlfs.h | 2 +-
3 files changed
From: "K. Y. Srinivasan"
Implement APIC related enlightenments.
K. Y. Srinivasan (5):
X86: Hyper-V: Enlighten APIC access
X86: Hyper-V: Enable IPI enlightenments
X86: Hyper-V: Enhanced IPI enlightenment
X86: Hyper-V: Consolidate code for converting cpumask to vpset
X86: Hyper-V: Consol
From: "K. Y. Srinivasan"
Consolidate the allocation of the hypercall input page.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/hv_init.c | 2 --
arch/x86/hyperv/mmu.c | 33 +
arch/x86/include/asm/mshyperv.h | 1 -
3 files changed, 9 inser
From: "K. Y. Srinivasan"
Support enhanced IPI enlightenments (to target more than 64 CPUs).
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/hv_apic.c | 49 --
arch/x86/include/asm/hyperv-tlfs.h | 1 +
arch/x86/include/asm/mshyperv.h| 39 +++
From: "K. Y. Srinivasan"
Implement APIC related enlightenments.
V2: Addressed comments from Thomas Gleixner
and Michael Kelley (EOSG) .
K. Y. Srinivasan (5):
X86: Hyper-V: Enlighten APIC access
X86: Hyper-V: Enable IPI enlightenments
X86: Hyper-V: Enhanced IPI enlightenment
X86: Hyper-
From: "K. Y. Srinivasan"
Consolidate code for converting cpumask to vpset.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/mmu.c | 43 ++-
1 file changed, 2 insertions(+), 41 deletions(-)
diff --git a/arch/x86/hyperv/mmu.c b/arch/x86/hyperv/mmu.c
in
From: "K. Y. Srinivasan"
Hyper-V supports MSR based APIC access; implement
the enlightenment.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/Makefile| 2 +-
arch/x86/hyperv/hv_apic.c | 101
arch/x86/hyperv/hv_init.c | 5 +-
From: "K. Y. Srinivasan"
Support enhanced IPI enlightenments (to target more than 64 CPUs).
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/hv_apic.c | 42 +-
arch/x86/hyperv/mmu.c | 2 +-
arch/x86/include/asm/hyperv-tlfs.h | 15 ++
From: "K. Y. Srinivasan"
Hyper-V supports hypercalls to implement IPI; use them.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/hv_apic.c | 118 +
arch/x86/hyperv/hv_init.c | 27 +
arch/x86/include/asm/hyperv-tlfs.h | 15
From: "K. Y. Srinivasan"
Consolidate the allocation of the hypercall input page.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/hyperv/hv_init.c | 2 --
arch/x86/hyperv/mmu.c | 30 ++
arch/x86/include/asm/mshyperv.h | 1 -
3 files changed, 6 insertio
From: Stephen Hemminger
In 4.9 kernel, the sysfs files for Hyper-V VMBus changed name but
the documentation files were not updated. The current sysfs file
names are /sys/bus/vmbus/devices//...
See commit 9a56e5d6a0ba ("Drivers: hv: make VMBus bus ids persistent")
and commit f6b2db084b65 ("vmbus:
From: Dexuan Cui
With VMBus protocol 5.0, we're able to better support new features, e.g.
running two or more VMBus drivers simultaneously in a single VM -- note:
we can't simply load the current VMBus driver twice, instead, a secondary
VMBus driver must be implemented.
This patch adds the suppo
From: "K. Y. Srinivasan"
Implement APIC related enlightenments.
V2: Addressed comments from Thomas Gleixner
and Michael Kelley (EOSG) .
V3: Address build issues reported by kbuild test robot
K. Y. Srinivasan (5):
X86: Hyper-V: Enlighten APIC access
X86: Hyper-V: Enable IPI enlightenments
From: "K. Y. Srinivasan"
Hyper-V supports hypercalls to implement IPI; use them.
Signed-off-by: K. Y. Srinivasan
Reviewed-by: Michael Kelley
---
arch/x86/hyperv/hv_apic.c | 117 +
arch/x86/hyperv/hv_init.c | 27 +++
arch/x86/include/asm/hyper
From: "K. Y. Srinivasan"
Consolidate code for converting cpumask to vpset.
Signed-off-by: K. Y. Srinivasan
Reviewed-by: Michael Kelley
---
arch/x86/hyperv/mmu.c | 43 ++-
1 file changed, 2 insertions(+), 41 deletions(-)
diff --git a/arch/x86/hyperv/mmu
From: "K. Y. Srinivasan"
Support enhanced IPI enlightenments (to target more than 64 CPUs).
Signed-off-by: K. Y. Srinivasan
Reviewed-by: Michael Kelley
---
arch/x86/hyperv/hv_apic.c | 42 +-
arch/x86/hyperv/mmu.c | 2 +-
arch/x86/include/asm/
From: "K. Y. Srinivasan"
Hyper-V supports MSR based APIC access; implement
the enlightenment.
Signed-off-by: K. Y. Srinivasan
Reviewed-by: Michael Kelley
---
arch/x86/hyperv/Makefile| 2 +-
arch/x86/hyperv/hv_apic.c | 104
arch/x86/hyperv/hv_in
From: "K. Y. Srinivasan"
Consolidate the allocation of the hypercall input page.
Signed-off-by: K. Y. Srinivasan
Reviewed-by: Michael Kelley
---
arch/x86/hyperv/hv_init.c | 2 --
arch/x86/hyperv/mmu.c | 30 ++
arch/x86/include/asm/mshyperv.h | 1 -
From: "K. Y. Srinivasan"
Some miscellaneous fixes/improvements.
Arjan van de Ven (1):
use the new async probing feature for the hyperv drivers
Dexuan Cui (1):
Drivers: hv: vmbus: Fix the offer_in_progress in vmbus_process_offer()
Michael Kelley (4):
x86/hyperv: Add interrupt handler ann
From: Dexuan Cui
I didn't really hit a real bug, but just happened to spot the bug:
we have decreased the counter at the beginning of vmbus_process_offer(),
so we mustn't decrease it again.
Fixes: 6f3d791f3006 ("Drivers: hv: vmbus: Fix rescind handling issues")
Signed-off-by: Dexuan Cui
Cc: sta
From: Michael Kelley
Add comments describing intricacies of Hyper-V ring buffer
signaling code. This information is not in Hyper-V public
documents, so include here to capture the knowledge for
future coders.
There are no code changes in this commit.
Signed-off-by: Michael Kelley
Signed-off-b
From: Olaf Hering
Python3 changed the way how 'print' works.
Adjust the code to a syntax that is understood by python2 and python3.
Signed-off-by: Olaf Hering
Acked-by: Dexuan Cui
Signed-off-by: K. Y. Srinivasan
---
tools/hv/lsvmbus | 12 ++--
1 file changed, 6 insertions(+), 6 delet
From: Michael Kelley
In architecture independent code for manipulating Hyper-V synthetic timers
and synthetic interrupts, pass in an ordinal number identifying the timer
or interrupt, rather than an actual MSR register address. Then in
x86/x64 specific code, map the ordinal number to the appropr
From: Arjan van de Ven
Recent kernels support asynchronous probing; most hyperv drivers
can be probed async easily so set the required flag for this.
Signed-off-by: Arjan van de Ven
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hid/hid-hyperv.c | 3
From: Vitaly Kuznetsov
Commit ea81fdf0981d ("Tools: hv: vss: Skip freezing filesystems backed by
loop") added skip for filesystems backed by loop device. However, it seems
the detection of such cases is incomplete.
It was found that with 'devicemapper' storage driver docker creates the
following
From: Michael Kelley
The Hyper-V feature and hint flags in hyperv-tlfs.h are all defined
with the string "X64" in the name. Some of these flags are indeed
x86/x64 specific, but others are not. For the ones that are used
in architecture independent Hyper-V driver code, or will be used in
the upc
From: Michael Kelley
Add standard interrupt handler annotations to
hyperv_vector_handler(). This does not fix any observed
bug, but avoids potential removal of the code by link
time optimization and makes it consistent with
hv_stimer0_vector_handler in the same source file.
Suggested-by: Thomas
From: K. Y. Srinivasan
Prior to opening the channel we should have all the state setup to handle
interrupts. The current code does not do that; fix the bug. This bug
can result in faults in the interrupt path.
Signed-off-by: K. Y. Srinivasan
---
drivers/net/hyperv/netvsc.c | 27 ++
From: K. Y. Srinivasan
We will not be able to send packets over a channel that has been
rescinded. Make necessary adjustments so we can properly cleanup
even when the channel is rescinded. This issue can be trigerred
in the NIC hot-remove path.
Signed-off-by: K. Y. Srinivasan
---
drivers/net/h
From: K. Y. Srinivasan
We will not be able to send packets over a channel that has been
rescinded. Make necessary adjustments so we can properly cleanup
even when the channel is rescinded. This issue can be trigerred
in the NIC hot-remove path.
Signed-off-by: K. Y. Srinivasan
---
drivers/net/h
From: K. Y. Srinivasan
Miscellaneous fixes to vmbus and util drivers.
Alex Ng (1):
Tools: hv: vss: Thaw the filesystem and continue if freeze call has
timed out
K. Y. Srinivasan (3):
Drivers: hv: vmbus: Fix error code returned by vmbus_post_msg()
Drivers: hv: util: Make hv_poll_channe
From: Long Li
The host may send multiple negotiation packets
(due to timeout) before the KVP user-mode daemon
is connected. KVP user-mode daemon is connected.
We need to defer processing those packets
until the daemon is negotiated and connected.
It's okay for guest to respond
to all negotiation
From: K. Y. Srinivasan
Fix the rescind handling. This patch addresses the following rescind
scenario that is currently not handled correctly:
If a rescind were to be received while the offer is still being
peocessed, we will be blocked indefinitely since the rescind message
is handled on the sam
From: Vitaly Kuznetsov
Paths can be up to PATH_MAX long and PATH_MAX is usually greater than 256.
While on it, simplify path reconstruction to a simple snprintf(), define
and reuse KVP_NET_DIR.
Suggested-by: Tomas Hozza
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
tool
From: K. Y. Srinivasan
ENOBUFS is a more approrpiate error code to be returned
when the hypervisor cannot post the message because of
insufficient buffers. Make the adjustment.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/connection.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(
From: Alex Ng
If a FREEZE operation takes too long, the driver may time out and move on
to another operation. The daemon is unaware of this and attempts to
notify the driver that the FREEZE succeeded. This results in an error from
the driver and the daemon leaves the filesystem in frozen state.
From: K. Y. Srinivasan
The current code unconditionally sends an IPI. If we are running on the
correct CPU and are in interrupt level, we don't need an IPI.
Make this adjustment.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hyperv_vmbus.h |4
1 files changed, 4 insertions(+), 0 dele
From: K. Y. Srinivasan
Some miscellaneous fixes.
Andy Shevchenko (1):
vmbus: Reuse uuid_le_to_bin() helper
K. Y. Srinivasan (2):
Drivers: hv: vmbus: Get the current time from the current clocksource
drivers: hv: vmbus: Increase the time between retries in
vmbus_post_msg()
Michael Kel
From: Michael Kelley
Extend the disabling of preemption to include the hypercall so that
another thread can't get the CPU and corrupt the per-cpu page used
for hypercall arguments.
Cc: #4.11
Signed-off-by: Michael Kelley
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv.c |7 ++-
1 f
From: Vitaly Kuznetsov
Turns out that our implementation of .getcrosststamp() never actually
worked. Hyper-V is sending time samples every 5 seconds and this is
too much for get_device_system_crosststamp() as it's interpolation
algorithm (which nobody is currently using in kernel, btw) accounts
f
From: K. Y. Srinivasan
The current code uses the MSR based mechanism to get the current tick.
Use the current clock source as that might be more optimal.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/include/asm/mshyperv.h |1 -
drivers/hv/hv.c |2 +-
2 files changed, 1
From: Vitaly Kuznetsov
It was found that ICTIMESYNCFLAG_SYNC packets are handled incorrectly
on WS2012R2, e.g. after the guest is paused and resumed its time is set
to something different from host's time. The problem is that we call
adj_guesttime() with reftime=0 for these old hosts and we don't
From: K. Y. Srinivasan
Commit c0bb03924f1a ("Drivers: hv: vmbus: Raise retry/wait limits in
vmbus_post_msg()") increased the retry/wait limits of vmbus_post_msg()
to address the new DoS protection policies in WS2016.
Increase the time between retries to make the
code more robust.
Signed-off-by:
From: Andy Shevchenko
Instead of open coded variant use generic helper to convert UUID strings
to binary format.
Signed-off-by: Andy Shevchenko
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/vmbus_drv.c | 51 +--
1 files changed, 10 insertions(+),
From: K. Y. Srinivasan
Fixes to handle CPU online/offline. Also included is a new uio
driver for Hyper-V.
Alex Fluter (1):
Tools: hv: kvp: configurable external scripts path
Haiyang Zhang (2):
hyperv: Add a function to detect hv_device
hyperv: Fix spelling of HV_UNKOWN
K. Y. Srinivasan (
From: Vitaly Kuznetsov
"kernel BUG at drivers/hv/channel_mgmt.c:350!" is observed when hv_vmbus
module is unloaded. BUG_ON() was introduced in commit 85d9aa705184
("Drivers: hv: vmbus: add an API vmbus_hvsock_device_unregister()") as
vmbus_free_channels() codepath was apparently forgotten.
Fixes
From: Vitaly Kuznetsov
To get prepared to CPU offlining support we need co change the way how we
unbind clockevent devices. As one CPU may go online/offline multiple times
we need to bind it in hv_synic_init() and unbind it in hv_synic_cleanup().
There is an additional corner case: when we unload
From: Vitaly Kuznetsov
Initializing hv_context.percpu_list in hv_synic_alloc() helps to prevent a
crash in percpu_channel_enq() when not all CPUs were online during
initialization and it naturally belongs there.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv
From: Haiyang Zhang
Changed it to HV_UNKNOWN
Signed-off-by: Haiyang Zhang
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel_mgmt.c |6 +++---
include/linux/hyperv.h|2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/cha
From: Haiyang Zhang
Signed-off-by: Haiyang Zhang
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/vmbus_drv.c |6 ++
include/linux/hyperv.h |2 ++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 0276d2e..1730ac0 100
From: Vitaly Kuznetsov
It may happen that not all CPUs are online when we do hv_synic_alloc() and
in case more CPUs come online later we may try accessing these allocated
structures.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv.c |4 ++--
1 files chang
From: Alex Fluter
error when running hypervkvpd:
$ sudo ./hv_kvp_daemon -n
sh: hv_get_dns_info: command not found
sh: hv_get_dhcp_info: command not found
sh: hv_get_dns_info: command not found
sh: hv_get_dhcp_info: command not found
The external scripts are not installed in system path,
adding
From: Vitaly Kuznetsov
To make it possible to online/offline CPUs switch to cpuhp infrastructure
for doing hv_synic_init()/hv_synic_cleanup().
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv.c | 15 +++
drivers/hv/hyperv_vmbus.h |4
From: Stephen Hemminger
This patch adds sysfs interface to dynamically bind new UUID values
to existing VMBus device. This is useful for generic UIO driver to
act similar to uio_pci_generic.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/vmbus_drv.c | 174 +++
From: Vitaly Kuznetsov
DoS protection conditions were altered in WS2016 and now it's easy to get
-EAGAIN returned from vmbus_post_msg() (e.g. when we try changing MTU on a
netvsc device in a loop). All vmbus_post_msg() callers don't retry the
operation and we usually end up with a non-functional
From: Stephen Hemminger
This is a new driver to enable userspace networking on VMBus.
It is based largely on the similar driver that already exists
for PCI, and earlier work done by Brocade to support DPDK.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
MAINTAINERS
From: Vitaly Kuznetsov
Since commit e513229b4c38 ("Drivers: hv: vmbus: prevent cpu offlining on
newer hypervisors") cpu offlining was disabled. It is still true that we
can't offline CPUs which have VMBus channels bound to them but we may have
'free' CPUs (e.v. we booted with maxcpus= parameter a
From: Vitaly Kuznetsov
It may happen that secondary CPUs are still alive and resetting
hv_context.tsc_page will cause a consequent crash in read_hv_clock_tsc()
as we don't check for it being not NULL there. It is safe as we're not
freeing this page anyways.
Signed-off-by: Vitaly Kuznetsov
Signe
From: K. Y. Srinivasan
After the channel is rescinded, the host does not read from the rescinded
channel.
Fail writes to a channel that has already been rescinded
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c |3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --g
From: K. Y. Srinivasan
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel_mgmt.c | 11 +++
include/linux/hyperv.h|7 ---
2 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index f9c5827..d83c1ac 100644
From: K. Y. Srinivasan
Fixes to handle CPU online/offline. Also included is a new uio
driver for Hyper-V.
V2: Updated commit logs (Greg KH)
Re-implemented the API to detect if it is a vmbus device
Alex Fluter (1):
Tools: hv: kvp: configurable external scripts path
Haiyang
From: Stephen Hemminger
This patch adds sysfs interface to dynamically bind new UUID values
to existing VMBus device. This is useful for generic UIO driver to
act similar to uio_pci_generic.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/vmbus_drv.c | 174 +++
From: Haiyang Zhang
Changed it to HV_UNKNOWN
Signed-off-by: Haiyang Zhang
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel_mgmt.c |6 +++---
include/linux/hyperv.h|2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/cha
From: Vitaly Kuznetsov
It may happen that not all CPUs are online when we do hv_synic_alloc() and
in case more CPUs come online later we may try accessing these allocated
structures.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv.c |4 ++--
1 files chang
From: Stephen Hemminger
This is a new driver to enable userspace networking on VMBus.
It is based largely on the similar driver that already exists
for PCI, and earlier work done by Brocade to support DPDK.
Signed-off-by: Stephen Hemminger
Signed-off-by: K. Y. Srinivasan
---
MAINTAINERS
From: Vitaly Kuznetsov
Since commit e513229b4c38 ("Drivers: hv: vmbus: prevent cpu offlining on
newer hypervisors") cpu offlining was disabled. It is still true that we
can't offline CPUs which have VMBus channels bound to them but we may have
'free' CPUs (e.v. we booted with maxcpus= parameter a
From: Vitaly Kuznetsov
It may happen that secondary CPUs are still alive and resetting
hv_context.tsc_page will cause a consequent crash in read_hv_clock_tsc()
as we don't check for it being not NULL there. It is safe as we're not
freeing this page anyways.
Signed-off-by: Vitaly Kuznetsov
Signe
From: Vitaly Kuznetsov
DoS protection conditions were altered in WS2016 and now it's easy to get
-EAGAIN returned from vmbus_post_msg() (e.g. when we try changing MTU on a
netvsc device in a loop). All vmbus_post_msg() callers don't retry the
operation and we usually end up with a non-functional
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