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| author | K. Y. Srinivasan <kys@microsoft.com> | 2012-12-01 15:46:51 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-17 20:39:15 +0100 |
| commit | 9acd6442c6839d404c1f47dc0f3ff3e0fb13e44c (patch) | |
| tree | 101f284e3e24b1226df0f29707a715b1dda9d9b5 /drivers | |
| parent | Drivers: hv: Add code to distribute channel interrupt load (diff) | |
| download | linux-9acd6442c6839d404c1f47dc0f3ff3e0fb13e44c.tar.xz linux-9acd6442c6839d404c1f47dc0f3ff3e0fb13e44c.zip | |
Drivers: hv: Get rid of the unused global signaling state
Now that we have implemented a per-connection signaling mechanism, get rid
of the global signaling state. For hosts that don't support per-connection
signaling handle, we have moved the global state to be a per-channel state.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hv/hv.c | 24 | ||||
| -rw-r--r-- | drivers/hv/hyperv_vmbus.h | 8 |
2 files changed, 0 insertions, 32 deletions
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index 76304a622140..e989c6fd1f8f 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -34,8 +34,6 @@ struct hv_context hv_context = { .synic_initialized = false, .hypercall_page = NULL, - .signal_event_param = NULL, - .signal_event_buffer = NULL, }; /* @@ -170,24 +168,6 @@ int hv_init(void) hv_context.hypercall_page = virtaddr; - /* Setup the global signal event param for the signal event hypercall */ - hv_context.signal_event_buffer = - kmalloc(sizeof(struct hv_input_signal_event_buffer), - GFP_KERNEL); - if (!hv_context.signal_event_buffer) - goto cleanup; - - hv_context.signal_event_param = - (struct hv_input_signal_event *) - (ALIGN((unsigned long) - hv_context.signal_event_buffer, - HV_HYPERCALL_PARAM_ALIGN)); - hv_context.signal_event_param->connectionid.asu32 = 0; - hv_context.signal_event_param->connectionid.u.id = - VMBUS_EVENT_CONNECTION_ID; - hv_context.signal_event_param->flag_number = 0; - hv_context.signal_event_param->rsvdz = 0; - return 0; cleanup: @@ -215,10 +195,6 @@ void hv_cleanup(void) /* Reset our OS id */ wrmsrl(HV_X64_MSR_GUEST_OS_ID, 0); - kfree(hv_context.signal_event_buffer); - hv_context.signal_event_buffer = NULL; - hv_context.signal_event_param = NULL; - if (hv_context.hypercall_page) { hypercall_msr.as_uint64 = 0; wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64); diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index 6bbc197cbdfa..9135a6fcf3bd 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -492,14 +492,6 @@ struct hv_context { bool synic_initialized; - /* - * This is used as an input param to HvCallSignalEvent hypercall. The - * input param is immutable in our usage and must be dynamic mem (vs - * stack or global). */ - struct hv_input_signal_event_buffer *signal_event_buffer; - /* 8-bytes aligned of the buffer above */ - struct hv_input_signal_event *signal_event_param; - void *synic_message_page[NR_CPUS]; void *synic_event_page[NR_CPUS]; /* |