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From: Haiyang Zhang <haiyangz at microsoft.com> Convert camel cased struct fields in hv.h to lower cases Signed-off-by: Haiyang Zhang <haiyangz at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com> --- drivers/staging/hv/hv.c | 95 +++++++++++++++++++++++--------------------- drivers/staging/hv/hv.h | 20 +++++----- drivers/staging/hv/vmbus.c |

From: Haiyang Zhang <haiyangz at microsoft.com> Convert camel cased struct fields in hv.h to lower cases Signed-off-by: Haiyang Zhang <haiyangz at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com> --- drivers/staging/hv/hv.c | 95 +++++++++++++++++++++++--------------------- drivers/staging/hv/hv.h | 20 +++++----- drivers/staging/hv/vmbus.c |

...fferMsg.MonitorId. * Save it here for easy access. */ - u8 MonitorGroup; - u8 MonitorBit; + u8 monitor_grp; + u8 monitor_bit; - u32 RingBufferGpadlHandle; + u32 ringbuffer_gpadlhandle; /* Allocated memory for ring buffer */ - void *RingBufferPages; - u32 RingBufferPageCount; - struct hv_ring_buffer_info Outbound; /* send to parent */ - struct hv_ring_buffer_info Inbound; /* receive from parent */ + void *ringbuffer_pages; + u32 ringbuffer_pagecount; + struct hv_ring_buffer_info outbound; /* send to parent */ + struct hv_ring_buffer_info inbound; /* receive from parent */ spinlock_t inbound_...

...fferMsg.MonitorId. * Save it here for easy access. */ - u8 MonitorGroup; - u8 MonitorBit; + u8 monitor_grp; + u8 monitor_bit; - u32 RingBufferGpadlHandle; + u32 ringbuffer_gpadlhandle; /* Allocated memory for ring buffer */ - void *RingBufferPages; - u32 RingBufferPageCount; - struct hv_ring_buffer_info Outbound; /* send to parent */ - struct hv_ring_buffer_info Inbound; /* receive from parent */ + void *ringbuffer_pages; + u32 ringbuffer_pagecount; + struct hv_ring_buffer_info outbound; /* send to parent */ + struct hv_ring_buffer_info inbound; /* receive from parent */ spinlock_t inbound_...

...| 41 ++++++------ drivers/hv/connection.c | 134 +++++--------------------------------- drivers/hv/hv.c | 124 +++++++++++++++-------------------- drivers/hv/hv_util.c | 3 +- drivers/hv/hyperv_vmbus.h | 80 ++++++++++++----------- drivers/hv/ring_buffer.c | 66 ++++++------------- drivers/hv/vmbus_drv.c | 115 ++++++++++++++++++++++++++------ drivers/net/hyperv/hyperv_net.h | 5 -- drivers/net/hyperv/netvsc.c | 104 ++++------------------------- drivers/net/hyperv/rndis_filter.c | 11 ---- drivers/uio/uio_hv_generic...

...| 41 ++++++------ drivers/hv/connection.c | 134 +++++--------------------------------- drivers/hv/hv.c | 124 +++++++++++++++-------------------- drivers/hv/hv_util.c | 3 +- drivers/hv/hyperv_vmbus.h | 80 ++++++++++++----------- drivers/hv/ring_buffer.c | 66 ++++++------------- drivers/hv/vmbus_drv.c | 115 ++++++++++++++++++++++++++------ drivers/net/hyperv/hyperv_net.h | 5 -- drivers/net/hyperv/netvsc.c | 104 ++++------------------------- drivers/net/hyperv/rndis_filter.c | 11 ---- drivers/uio/uio_hv_generic...

...| 2 +- drivers/staging/hv/logging.h | 3 + drivers/staging/hv/netvsc.c | 2 +- drivers/staging/hv/netvsc_drv.c | 2 +- drivers/staging/hv/osd.c | 194 ------------------------------------- drivers/staging/hv/osd.h | 62 ------------ drivers/staging/hv/ring_buffer.c | 1 - drivers/staging/hv/rndis_filter.c | 2 +- drivers/staging/hv/storvsc.c | 2 +- drivers/staging/hv/storvsc_drv.c | 2 +- drivers/staging/hv/vmbus_drv.c | 2 +- 20 files changed, 26 insertions(+), 272 deletions(-) delete mode 100644 drivers/staging/hv/osd.c delete...

...| 2 +- drivers/staging/hv/logging.h | 3 + drivers/staging/hv/netvsc.c | 2 +- drivers/staging/hv/netvsc_drv.c | 2 +- drivers/staging/hv/osd.c | 194 ------------------------------------- drivers/staging/hv/osd.h | 62 ------------ drivers/staging/hv/ring_buffer.c | 1 - drivers/staging/hv/rndis_filter.c | 2 +- drivers/staging/hv/storvsc.c | 2 +- drivers/staging/hv/storvsc_drv.c | 2 +- drivers/staging/hv/vmbus_drv.c | 2 +- 20 files changed, 26 insertions(+), 272 deletions(-) delete mode 100644 drivers/staging/hv/osd.c delete...

Further cleanup of the hv drivers: 1) Continue to cleanup our drivers to conform to the Linux Driver Model. 2) Fix some long standing bugs with regards to unloading and reloading the drivers - block, net and stor. 3) VMBUS is an ACPI enumerated device; make VMBUS an ACPI bus driver. 4) Get rid of channel polling code; instead the channel receive paths will be purely interrupt

Further cleanup of the hv drivers: 1) Continue to cleanup our drivers to conform to the Linux Driver Model. 2) Fix some long standing bugs with regards to unloading and reloading the drivers - block, net and stor. 3) VMBUS is an ACPI enumerated device; make VMBUS an ACPI bus driver. 4) Get rid of channel polling code; instead the channel receive paths will be purely interrupt

This patch set removes all un-needed DPRINT and printk calls and replaces the remaining ones with the correct pr_, dev_ and netdev_ calls from hv_vmbus, hv_netvsc, hv_timesource and hv_utils. Several DPRINTS are remaining that will be cleaned up in my next set of patches. They deal with printing out certain debugging that will be implemented slightly differently. The remaining hv_storvsc and

This patch set removes all un-needed DPRINT and printk calls and replaces the remaining ones with the correct pr_, dev_ and netdev_ calls from hv_vmbus, hv_netvsc, hv_timesource and hv_utils. Several DPRINTS are remaining that will be cleaned up in my next set of patches. They deal with printing out certain debugging that will be implemented slightly differently. The remaining hv_storvsc and

...ME instructions > > include/linux/kernel.h | 2 +- > include/linux/tracepoint.h | 4 ++-- > kernel/trace/Kconfig | 20 +++++++++---------- > kernel/trace/kprobe_event_gen_test.c | 2 +- > kernel/trace/ring_buffer.c | 2 +- > kernel/trace/synth_event_gen_test.c | 2 +- > kernel/trace/trace.c | 2 +- > samples/user_events/example.c | 4 ++-- > scripts/leaking_addresses.pl | 1 + > scripts/tracing/draw_fu...

Further cleanup of the hv drivers. 1) Cleanup reference counting. 2) Handle all block devices using the storvsc driver. I have modified the implementation here based on Christoph's feedback on my earlier implementation. 3) Fix bugs. 4) Accomodate some host side scsi emulation bugs. 5) In case of scsi errors off-line the device. This patch-set further reduces the size of

Further cleanup of the hv drivers. 1) Cleanup reference counting. 2) Handle all block devices using the storvsc driver. I have modified the implementation here based on Christoph's feedback on my earlier implementation. 3) Fix bugs. 4) Accomodate some host side scsi emulation bugs. 5) In case of scsi errors off-line the device. This patch-set further reduces the size of

Since commit aed8c164ca5199 ("Drivers: hv: ring_buffer: count on wrap around mappings") it is no longer necessary to handle ring wrapping by having a special receive buffer. Signed-off-by: Stephen Hemminger <sthemmin at microsoft.com> --- drivers/net/hyperv/hyperv_net.h | 5 --- drivers/net/hyperv/netvsc.c | 83 ++++++-------------...

...on.org > Cc: devel at linuxdriverproject.org; virtualization at lists.linux-foundation.org; > Stephen Hemminger <sthemmin at microsoft.com> > Subject: [PATCH 05/14] netvsc: remove no longer needed receive staging > buffers > > Since commit aed8c164ca5199 ("Drivers: hv: ring_buffer: count on wrap > around mappings") it is no longer necessary to handle ring wrapping > by having a special receive buffer. > > Signed-off-by: Stephen Hemminger <sthemmin at microsoft.com> > --- > drivers/net/hyperv/hyperv_net.h | 5 --- > drivers/net/hyperv/netv...

...on.org > Cc: devel at linuxdriverproject.org; virtualization at lists.linux-foundation.org; > Stephen Hemminger <sthemmin at microsoft.com> > Subject: [PATCH 05/14] netvsc: remove no longer needed receive staging > buffers > > Since commit aed8c164ca5199 ("Drivers: hv: ring_buffer: count on wrap > around mappings") it is no longer necessary to handle ring wrapping > by having a special receive buffer. > > Signed-off-by: Stephen Hemminger <sthemmin at microsoft.com> > --- > drivers/net/hyperv/hyperv_net.h | 5 --- > drivers/net/hyperv/netv...

...ret = bb->vm_ops->page_mkwrite(vma, vmf); diff --git a/kernel/events/core.c b/kernel/events/core.c index 0f85778..abbaee4 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3466,6 +3466,7 @@ static int perf_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) struct ring_buffer *rb; int ret = VM_FAULT_SIGBUS; + file_update_time(vma->vm_file); if (vmf->flags & FAULT_FLAG_MKWRITE) { if (vmf->pgoff == 0) ret = 0; diff --git a/mm/memory.c b/mm/memory.c index a56e3ba..8e4686f 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2619,10 +2619,6 @@ reuse:...

On Fri, Nov 25, 2016 at 04:21:39PM +0100, Dmitry Vyukov wrote: > > READ/WRITE_ONCE imply atomicity. Even if their names don't spell it (a > function name doesn't have to spell all of its guarantees). Most of > the uses of READ/WRITE_ONCE will be broken if they are not atomic. In practice, this is certainly the assumption made by many/most users of the *_ONCE() accessors.