diff options
Diffstat (limited to 'drivers/hv/hv.c')
| -rw-r--r-- | drivers/hv/hv.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index e989c6fd1f8f..363532add4c7 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -27,6 +27,7 @@ #include <linux/vmalloc.h> #include <linux/hyperv.h> #include <linux/version.h> +#include <linux/interrupt.h> #include <asm/hyperv.h> #include "hyperv_vmbus.h" @@ -137,6 +138,8 @@ int hv_init(void) sizeof(void *) * NR_CPUS); memset(hv_context.vp_index, 0, sizeof(int) * NR_CPUS); + memset(hv_context.event_dpc, 0, + sizeof(void *) * NR_CPUS); max_leaf = query_hypervisor_info(); @@ -285,6 +288,15 @@ void hv_synic_init(void *irqarg) /* Check the version */ rdmsrl(HV_X64_MSR_SVERSION, version); + hv_context.event_dpc[cpu] = (struct tasklet_struct *) + kmalloc(sizeof(struct tasklet_struct), + GFP_ATOMIC); + if (hv_context.event_dpc[cpu] == NULL) { + pr_err("Unable to allocate event dpc\n"); + goto cleanup; + } + tasklet_init(hv_context.event_dpc[cpu], vmbus_on_event, cpu); + hv_context.synic_message_page[cpu] = (void *)get_zeroed_page(GFP_ATOMIC); |