The message processing function needs to execute on the same CPU where the interrupt was taken. tasklets cannot gurantee this; so, invoke the function directly.
Signed-off-by: K. Y. Srinivasan <[email protected]> Signed-off-by: Haiyang Zhang <[email protected]> --- drivers/staging/hv/vmbus_drv.c | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-) diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index bb25c5b..1d4e878 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@ -39,7 +39,6 @@ static struct acpi_device *hv_acpi_dev; -static struct tasklet_struct msg_dpc; static struct tasklet_struct event_dpc; unsigned int vmbus_loglevel = (ALL_MODULES << 16 | INFO_LVL); @@ -425,7 +424,7 @@ static irqreturn_t vmbus_isr(int irq, void *dev_id) /* Check if there are actual msgs to be process */ if (msg->header.message_type != HVMSG_NONE) { handled = true; - tasklet_schedule(&msg_dpc); + vmbus_on_msg_dpc(0); } page_addr = hv_context.synic_event_page[cpu]; @@ -465,7 +464,6 @@ static int vmbus_bus_init(int irq) } /* Initialize the bus context */ - tasklet_init(&msg_dpc, vmbus_on_msg_dpc, 0); tasklet_init(&event_dpc, vmbus_on_event, 0); /* Now, register the bus with LDM */ -- 1.7.4.1 _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
