Allocate the hypervisor callback IDT entry early in the boot sequence.
Signed-off-by: K. Y. Srinivasan
---
arch/x86/kernel/cpu/mshyperv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 3b3f713e15e5
need - to share the definitions across all Hyper-V drivers
including QEMU based drivers. Roman and I will coordinate our work.
K. Y. Srinivasan (18):
Drivers: hv: vmbus: Move the definition of
hv_x64_msr_hypercall_contents
Drivers: hv: vmbus: Move the definition of generate_guest_id
lloon: Disable hot add when CONFIG_MEMORY_HOTPLUG is
not set
Drivers: hv: balloon: Add logging for dynamic memory operations
Drivers: hv: vss: Improve log messages.
Drivers: hv: vss: Operation timeouts should match host expectation
Drivers: hv: balloon: Fix info request to show max page count
en removed from the per-cpu and the global lists.
Reported-by: Rolf Neugebauer
Signed-off-by: Dexuan Cui
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel.c |6 ++
drivers/hv/channel_mgmt.c | 32
include/linux/hyperv.h|3 +++
3 fi
Use the new APIs for eliminating a copy on the receive path. These new APIs also
help in minimizing the number of memory barriers we end up issuing (in the
ringbuffer code) since we can better control when we want to expose the ring
state to the host.
Signed-off-by: K. Y. Srinivasan
Reviewed-by
y the change, we don't
really know when these messages are delivered but we don't have a single
message buffer there.
Reported-by: Barry Davis
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv_fcopy.c | 14 ++
drivers/hv/h
can always trust the host to respond to
our request (and there is nothing we can do if it doesn't).
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel.c |7 +--
1 files changed, 1 insertions(+), 6 deletions(-)
diff --git a/drivers/hv/channel
Fix a race in the registration of user space daemons. Also get rid of
timeout in vmbus_open() as timing out here would make it impossible to
rollback correctly.
Vitaly Kuznetsov (2):
Drivers: hv: get rid of timeout in vmbus_open()
Drivers: hv: utils: fix a race on userspace daemons registratio
From: Vitaly Kuznetsov
We use messagecount only once in vmbus_establish_gpadl() to check if
it is safe to iterate through the submsglist. We can just initialize
the list header in all cases in create_gpadl_header() instead.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
From: Vitaly Kuznetsov
In some cases create_gpadl_header() allocates submessages but we never
free them.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel.c |6 +-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/hv/channel.c
ping vfree on all sorts of crashes to reduce the
amount of work which can cause consequent crashes. We don't really need to
free anything on crash.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv.c |8 +---
drivers/hv/hyperv_vmbus.h |2
Some miscellaneous fixes.
Vitaly Kuznetsov (3):
Drivers: hv: avoid vfree() on crash
Drivers: hv: get rid of redundant messagecount in
create_gpadl_header()
Drivers: hv: don't leak memory in vmbus_establish_gpadl()
drivers/hv/channel.c | 44 +--
a solution with our current
separation between kernel and userspace parts.
Other two modules (VSS and FCOPY) don't require such delay, leave them
untouched.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv_kvp.c | 31 +++
here host can hot-add regions
in a different order. We end up modifying the wrong HA region and crashing
later on pages online. Modify the check to make sure we found the region
we were searching for while iterating. Fix the same check in pfn_covered()
as well.
Signed-off-by: Vitaly Kuznetsov
From: Vitaly Kuznetsov
lsvmbus keeps its own copy of all VMBus UUIDs, add PCIe pass-through
device there to not report 'Unknown' for such devices.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
tools/hv/lsvmbus |1 +
1 files changed, 1 insertions(+), 0
d stale messages.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel_mgmt.c | 58 +---
drivers/hv/hyperv_vmbus.h | 16 +++-
drivers/hv/vmbus_drv.c|7 +++--
3 files changed, 61 insertions(+), 20 deletions(-)
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv_balloon.c |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 43af913..df35fb7 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv
Some miscellaneous fixes. All these patches are being resent.
Vitaly Kuznetsov (5):
Drivers: hv: kvp: fix IP Failover
Drivers: hv: vmbus: handle various crash scenarios
Drivers: hv: balloon: don't crash when memory is added in non-sorted
order
Drivers: hv: balloon: reset host_specified
here host can hot-add regions
in a different order. We end up modifying the wrong HA region and crashing
later on pages online. Modify the check to make sure we found the region
we were searching for while iterating. Fix the same check in pfn_covered()
as well.
Signed-off-by: Vitaly Kuznetsov
Intel SR-IOV cards present different ID when running on Hyper-V.
Add the device IDs presented while running on Hyper-V.
Signed-off-by: K. Y. Srinivasan
---
V5: No change from V1
drivers/net/ethernet/intel/ixgbevf/defines.h |5 +
1 files changed, 5 insertions(+), 0 deletions
On Hyper-V, the VF/PF communication is a via software mediated path
as opposed to the hardware mailbox. Make the necessary
adjustments to support Hyper-V.
Signed-off-by: K. Y. Srinivasan
---
V2: Addressed most of the comments from
Alexander Duyck
and Rustad, Mark
Make adjustments to the Intel 10G VF driver to support
running on Hyper-V hosts.
K. Y. Srinivasan (2):
ethernet: intel: Add the device ID's presented while running on
Hyper-V
intel: ixgbevf: Support Windows hosts (Hyper-V)
drivers/net/ethernet/intel/ixgbevf/defines.h |
Intel SR-IOV cards present different ID when running on Hyper-V.
Add the device IDs presented while running on Hyper-V.
Signed-off-by: K. Y. Srinivasan
---
V4: No change from V1
drivers/net/ethernet/intel/ixgbevf/defines.h |5 +
1 files changed, 5 insertions(+), 0 deletions
On Hyper-V, the VF/PF communication is a via software mediated path
as opposed to the hardware mailbox. Make the necessary
adjustments to support Hyper-V.
Signed-off-by: K. Y. Srinivasan
---
V2: Addressed most of the comments from
Alexander Duyck
and Rustad, Mark
Make adjustments to the Intel 10G VF driver to support
running on Hyper-V hosts.
K. Y. Srinivasan (2):
ethernet: intel: Add the device ID's presented while running on
Hyper-V
intel: ixgbevf: Support Windows hosts (Hyper-V)
drivers/net/ethernet/intel/ixgbevf/defines.h |
Intel SR-IOV cards present different ID when running on Hyper-V.
Add the device IDs presented while running on Hyper-V.
Signed-off-by: K. Y. Srinivasan
---
V2: No change from V1.
V3: No change from V2.
drivers/net/ethernet/intel/ixgbevf/defines.h |5 +
1 files changed
Make adjustments to the Intel 10G VF driver to support
running on Hyper-V hosts.
K. Y. Srinivasan (2):
ethernet: intel: Add the device ID's presented while running on
Hyper-V
intel: ixgbevf: Support Windows hosts (Hyper-V)
drivers/net/ethernet/intel/ixgbevf/defines.h |
On Hyper-V, the VF/PF communication is a via software mediated path
as opposed to the hardware mailbox. Make the necessary
adjustments to support Hyper-V.
Signed-off-by: K. Y. Srinivasan
V2: Addressed most of the comments from
Alexander Duyck
and Rustad, Mark D
Intel SR-IOV cards present different ID when running on Hyper-V.
Add the device IDs presented while running on Hyper-V.
Signed-off-by: K. Y. Srinivasan
---
V2: No change from V1.
drivers/net/ethernet/intel/ixgbevf/defines.h |5 +
1 files changed, 5 insertions(+), 0 deletions
Make adjustments to the Intel 10G VF driver to support
running on Hyper-V hosts.
K. Y. Srinivasan (2):
ethernet: intel: Add the device ID's presented while running on
Hyper-V
intel: ixgbevf: Support Windows hosts (Hyper-V)
drivers/net/ethernet/intel/ixgbevf/defines.h |
On Hyper-V, the VF/PF communication is a via software mediated path
as opposed to the hardware mailbox. Make the necessary
adjustments to support Hyper-V.
Signed-off-by: K. Y. Srinivasan
---
V2: Addressed most of the comments from
Alexander Duyck
and Rustad, Mark
Make adjustments to the Intel 10G VF driver to support
running on Hyper-V hosts.
K. Y. Srinivasan (2):
ethernet: intel: Add the device ID's presented while running on
Hyper-V
intel: ixgbevf: Support Windows hosts (Hyper-V)
drivers/net/ethernet/intel/ixgbevf/defines.h |
Greg,
Some time back I had sent a buch of patches for
Hyper-V drivers. Are they still in the queue or should I resend
them.
Regards,
K. Y
___
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/dri
On Hyper-V, the VF/PF communication is a via software mediated path
as opposed to the hardware mailbox. Make the necessary
adjustments to support Hyper-V.
Signed-off-by: K. Y. Srinivasan
---
drivers/net/ethernet/intel/ixgbevf/ixgbevf.h | 11 ++
drivers/net/ethernet/intel/ixgbevf
Intel SR-IOV cards present different ID when running on Hyper-V.
Add the device IDs presented while running on Hyper-V.
Signed-off-by: K. Y. Srinivasan
---
drivers/net/ethernet/intel/ixgbevf/defines.h |5 +
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/net
Make adjustments to the Intel 10G VF driver to support
running on Hyper-V hosts.
K. Y. Srinivasan (2):
ethernet: intel: Add the device ID's presented while running on
Hyper-V
intel: ixgbevf: Support Windows hosts (Hyper-V)
drivers/net/ethernet/intel/ixgbevf/defines.h |
VF interface (if VF is up).
This patch implements the necessary support in netvsc to support Linux
VF drivers.
Signed-off-by: K. Y. Srinivasan
Reviewed-by: Haiyang Zhang
---
drivers/net/hyperv/hyperv_net.h | 14 ++
drivers/net/hyperv/netvsc.c | 29
drivers/net/hyperv/netvsc_drv.c
VF interface (if VF is up).
This patch implements the necessary support in netvsc to support Linux
VF drivers.
Signed-off-by: K. Y. Srinivasan
---
drivers/net/hyperv/hyperv_net.h | 14 ++
drivers/net/hyperv/netvsc.c | 29
drivers/net/hyperv/netvsc_drv.c | 309
Introduce separate functions for estimating how much can be read from
and written to the ring buffer.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 25 -
include/linux/hyperv.h | 27 +++
2 files changed, 31 insertions(+), 21
Use the virt_xx barriers that have been defined for use in virtual machines.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 14 +++---
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 6ea1b55
a solution with our current
separation between kernel and userspace parts.
Other two modules (VSS and FCOPY) don't require such delay, leave them
untouched.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv_kvp.c | 31 +++
nd we won't be able to read stale messages.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel_mgmt.c | 58 +---
drivers/hv/hyperv_vmbus.h | 16 +++-
drivers/hv/vmbus_drv.c|7 +++--
3 files
In preparation for implementing APIs for in-place consumption of VMBUS
packets, movve some ring buffer functionality into hyperv.h
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 55 --
include/linux/hyperv.h | 54
In preparation for moving some ring buffer functionality out of the
vmbus driver, export the API for signaling the host.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/connection.c |1 +
drivers/hv/hyperv_vmbus.h |2 --
include/linux/hyperv.h|1 +
3 files changed, 2 insertions
packets.
We also optimize host signaling by having a separate API to signal
the end of in-place consumption. With netvsc using these APIs,
on an iperf run on average I see about 20X reduction in checks to
signal the host.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c |1 +
include
Use the READ_ONCE macro to access variabes that can change asynchronously.
This is the recommended mechanism for dealing with "unsafe" compiler
optimizations.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c |6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
Cleanup the ringbuffer code and implement APIs for "in place" consumption.
This patchset also includes some other miscellaneous fixes.
K. Y. Srinivasan (6):
Drivers: hv: vmbus: Introduce functions for estimating room in the
ring buffer
Drivers: hv: vmbus: Use READ_ONCE() to read
a full memory barrier before making the signaling descision
to correctly deal with potential reordering of the write (read index)
followed by the read of pending_sz.
Signed-off-by: K. Y. Srinivasan
Tested-by: Dexuan Cui
Cc:
---
drivers/hv/ring_buffer.c | 26 --
1 files
From: Jake Oshins
A patch later in this series allocates child nodes
in this resource tree. For that to work, this tree
needs to be sorted in ascending order.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
Greg, please apply this to the 4.6 tree.
drivers/hv
From: Jake Oshins
This patch modifies all the callers of vmbus_mmio_allocate()
to call vmbus_mmio_free() instead of release_mem_region().
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
Greg, please apply this to the 4.6 tree.
drivers/pci/host/pci-hyperv.c | 14
this belongs in the pnp layer, rather
than in this driver. Rafael Wysocki, the maintainter of the
pnp layer, has previously asked that we not modify the pnp layer
as it is considered deprecated. This patch is thus essentially
a workaround.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivas
From: Jake Oshins
Simplify the logic that picks MMIO ranges by pulling out the
logic related to trying to lay frame buffer claim on top of where
the firmware placed the frame buffer.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
Greg, please apply this to the 4.6 tree
meantime. Recording this now allows
that to be guaranteed.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
Greg, please apply this to the 4.6 tree.
drivers/hv/vmbus_drv.c | 37 -
1 files changed, 36 insertions(+), 1 deletions(-)
diff
-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
Greg, please apply this to the 4.6 tree.
drivers/hv/vmbus_drv.c | 15 +++
include/linux/hyperv.h |2 +-
2 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
tree which can happen on multiple threads.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
Greg, please apply this to the 4.6 tree.
drivers/hv/vmbus_drv.c | 16
1 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv
Greg, please apply this set to 4.6 tree.
Hyper-V VMs expose paravirtual drivers through a mechanism called
VMBus, which is managed by hv_vmbus.ko. For each parvirtual service
instance, this driver exposes a new child device. Some of these child
devices need memory address space, into which Hyper
Use the READ_ONCE macro to access variabes that can change asynchronously.
This is the recommended mechanism for dealing with "unsafe" compiler
optimizations.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c |6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
packets.
We also optimize host signaling by having a separate API to signal
the end of in-place consumption. With netvsc using these APIs,
on an iperf run on average I see about 20X reduction in checks to
signal the host.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c |1 +
include
Introduce separate functions for estimating how much can be read from
and written to the ring buffer.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 25 -
include/linux/hyperv.h | 27 +++
2 files changed, 31 insertions(+), 21
In preparation for implementing APIs for in-place consumption of VMBUS
packets, movve some ring buffer functionality into hyperv.h
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 55 --
include/linux/hyperv.h | 54
Cleanup and fix a bug in the ring buffer code. Also implement
APIs for in place consumption of received packets.
K. Y. Srinivasan (6):
Drivers: hv: vmbus: Introduce functions for estimating room in the
ring buffer
Drivers: hv: vmbus: Use READ_ONCE() to read variables that are
volatile
In preparation for moving some ring buffer functionality out of the
vmbus driver, export the API for signaling the host.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/connection.c |1 +
drivers/hv/hyperv_vmbus.h |2 --
include/linux/hyperv.h|1 +
3 files changed, 2 insertions
Use the virt_xx barriers that have been defined for use in virtual machines.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 14 +++---
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 6ea1b55
a full memory barrier before making the signaling descision
to correctly deal with potential reordering of the write (read index)
followed by the read of pending_sz.
Signed-off-by: K. Y. Srinivasan
Tested-by: Dexuan Cui
Cc:
---
drivers/hv/ring_buffer.c | 26 --
1 files
a full memory barrier before making the signaling descision
to correctly deal with potential reordering of the write (read index)
followed by the read of pending_sz.
Signed-off-by: K. Y. Srinivasan
Tested-by: Dexuan Cui
Cc:
---
drivers/hv/ring_buffer.c | 20
1 files
a solution with our current
separation between kernel and userspace parts.
Other two modules (VSS and FCOPY) don't require such delay, leave them
untouched.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv_kvp.c | 31 +++
tree which can happen on multiple threads.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/vmbus_drv.c | 16
1 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 44e95a4..60553c1 100644
this belongs in the pnp layer, rather
than in this driver. Rafael Wysocki, the maintainter of the
pnp layer, has previously asked that we not modify the pnp layer
as it is considered deprecated. This patch is thus essentially
a workaround.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Sriniva
From: Jake Oshins
This patch modifies all the callers of vmbus_mmio_allocate()
to call vmbus_mmio_free() instead of release_mem_region().
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
drivers/pci/host/pci-hyperv.c | 14 +++---
drivers/video/fbdev/hyperv_fb.c
From: Jake Oshins
A patch later in this series allocates child nodes
in this resource tree. For that to work, this tree
needs to be sorted in ascending order.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/vmbus_drv.c |3 +--
1 files changed, 1 insertions
-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/vmbus_drv.c | 15 +++
include/linux/hyperv.h |2 +-
2 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 64713ff..44e95a4 100644
--- a/drivers/hv
Cleanup and mmio management. Also included is a patch
to fix an issue in KVP.
Jake Oshins (5):
hv: Make a function to free mmio regions through vmbus
hv: Lock access to hyperv_mmio resource tree
hv: Use new vmbus_mmio_free() from client drivers.
hv: Reverse order of resources in hyperv_mmi
Use the virt_xx barriers that have been defined for use in virtual machines.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 14 +++---
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 67dc245
Use the READ_ONCE macro to access variabes that can change asynchronously.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c |7 ---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 902375b..2919395
packets.
We also optimize host signaling by having a separate API to signal
the end of in-place consumption. With netvsc using these APIs,
on an iperf run on average I see about 20X reduction in checks to
signal the host.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c |1 +
include
Introduce separate functions for estimating how much can be read from
and written to the ring buffer.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 24
include/linux/hyperv.h | 27 +++
2 files changed, 31 insertions(+), 20
In preparation for implementing APIs for in-place consumption of VMBUS
packets, movve some ring buffer functionality into hyperv.h
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 42 --
include/linux/hyperv.h | 42
In preparation for moving some ring buffer functionality out of the
vmbus driver, export the API for signaling the host.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/connection.c |1 +
drivers/hv/hyperv_vmbus.h |2 --
include/linux/hyperv.h|1 +
3 files changed, 2 insertions
Cleanup and fix a bug in the ring buffer code. Also implement
APIs for in place consumption of received packets.
K. Y. Srinivasan (7):
Drivers: hv: vmbus: Introduce functions for estimating room in the
ring buffer
Drivers: hv: vmbus: Use READ_ONCE() to read variables that are
volatile
We need to issue a full memory barrier prior making a signalling decision.
Signed-off-by: K. Y. Srinivasan
Cc: sta...@vger.kernel.org
---
drivers/hv/ring_buffer.c |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index
Introduce separate functions for estimating how much can be read from
and written to the ring buffer.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 24
include/linux/hyperv.h | 27 +++
2 files changed, 31 insertions(+), 20
Implement copy-free read APIs.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 55 ++
include/linux/hyperv.h |6 +
2 files changed, 61 insertions(+), 0 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv
Cleanup the Hyper-V ring buffer code. Also Implement APIs for
supporting copy-free operations on the read side.
K. Y. Srinivasan (5):
Drivers: hv: vmbus: Introduce functions for estimating room in the
ring buffer
Drivers: hv: vmbus: Use READ_ONCE() to read variables that are
volatile
Use the READ_ONCE macro to access variabes that can change asynchronously.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c |7 ---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 902375b..2919395
We need to issue a full memory barrier prior making a signalling decision.
Signed-off-by: K. Y. Srinivasan
Cc: sta...@vger.kernel.org
---
drivers/hv/ring_buffer.c |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index
Use the virt_xx barriers that have been defined for use in virtual machines.
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/ring_buffer.c | 14 +++---
1 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 67dc245
The default user scan function associated with FC (fc_user_scan)
is not suitable for FC hosts on Hyper-V since we don't have
an rport associated with FC host on Hyper-V . Set it to NULL so we can
support manual scan of FC targets on Hyper-V.
Signed-off-by: K. Y. Srinivasan
Tested-by: Lo
-by: K. Y. Srinivasan
Tested-by: Dexuan Cui
Cc:
---
drivers/hv/ring_buffer.c |7 +++
1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 5613e2b..085003a 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv
a solution with our current
separation between kernel and userspace parts.
Other two modules (VSS and FCOPY) don't require such delay, leave them
untouched.
Signed-off-by: Vitaly Kuznetsov
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/hv_kvp.c | 30 ++
tree which can happen on multiple threads.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/vmbus_drv.c | 16
1 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 44e95a4..60553c1 100644
this belongs in the pnp layer, rather
than in this driver. Rafael Wysocki, the maintainter of the
pnp layer, has previously asked that we not modify the pnp layer
as it is considered deprecated. This patch is thus essentially
a workaround.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Sriniva
Fix mmio management for vmbus devices. Also included is a patch
to fix an issue in KVP.
Jake Oshins (5):
hv: Make a function to free mmio regions through vmbus
hv: Lock access to hyperv_mmio resource tree
hv: Use new vmbus_mmio_free() from client drivers.
hv: Reverse order of resources in
-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/vmbus_drv.c | 15 +++
include/linux/hyperv.h |2 +-
2 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 64713ff..44e95a4 100644
--- a/drivers/hv
From: Jake Oshins
A patch later in this series allocates child nodes
in this resource tree. For that to work, this tree
needs to be sorted in ascending order.
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/vmbus_drv.c |3 +--
1 files changed, 1 insertions
From: Jake Oshins
This patch modifies all the callers of vmbus_mmio_allocate()
to call vmbus_mmio_free() instead of release_mem_region().
Signed-off-by: Jake Oshins
Signed-off-by: K. Y. Srinivasan
---
drivers/video/fbdev/hyperv_fb.c |4 ++--
1 files changed, 2 insertions(+), 2 deletions
: In function `storvsc_drv_exit':
>> storvsc_drv.c:(.exit.text+0x123c): undefined reference to
>> `fc_release_transport'
With this commit, the storvsc driver depends on FC atttributes. Make this
dependency explicit.
Signed-off-by: K. Y. Srinivasan
Reported-by: Fengguang Wu
---
: In function `storvsc_drv_exit':
>> storvsc_drv.c:(.exit.text+0x123c): undefined reference to
>> `fc_release_transport'
With this commit, the storvsc driver depends on FC atttributes. Make this
dependency explicit.
Signed-off-by: K. Y. Srinivasan
Reported-by: Fengguang Wu
---
dr
Signed-off-by: Vitaly Kuznetsov
Reviewed-by: Radim Kr.má
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/channel_mgmt.c |4 ++--
drivers/hv/connection.c |2 +-
drivers/hv/hyperv_vmbus.h |2 +-
drivers/hv/vmbus_drv.c|4 ++--
4 files changed, 6 insertions(+), 6 deletions
by: K. Y. Srinivasan
---
drivers/hv/connection.c | 10 +-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 3b6dc00..d02f137 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -88,8 +88,16 @@ stati
From: Alex Ng
If util transport fails to initialize for any reason, the list of transport
handlers may become corrupted due to freeing the transport handler without
removing it from the list. Fix this by cleaning it up from the list.
Signed-off-by: Alex Ng
Signed-off-by: K. Y. Srinivasan
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