Hyper-V requires that events be processed before processing messages. Make the necessary code adjustments.
Signed-off-by: K. Y. Srinivasan <[email protected]> Signed-off-by: Haiyang Zhang <[email protected]> --- drivers/staging/hv/vmbus_drv.c | 18 +++++++++--------- 1 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index 1d4e878..536466b 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@ -418,15 +418,6 @@ static irqreturn_t vmbus_isr(int irq, void *dev_id) union hv_synic_event_flags *event; bool handled = false; - page_addr = hv_context.synic_message_page[cpu]; - msg = (struct hv_message *)page_addr + VMBUS_MESSAGE_SINT; - - /* Check if there are actual msgs to be process */ - if (msg->header.message_type != HVMSG_NONE) { - handled = true; - vmbus_on_msg_dpc(0); - } - page_addr = hv_context.synic_event_page[cpu]; event = (union hv_synic_event_flags *)page_addr + VMBUS_MESSAGE_SINT; @@ -436,6 +427,15 @@ static irqreturn_t vmbus_isr(int irq, void *dev_id) tasklet_schedule(&event_dpc); } + page_addr = hv_context.synic_message_page[cpu]; + msg = (struct hv_message *)page_addr + VMBUS_MESSAGE_SINT; + + /* Check if there are actual msgs to be process */ + if (msg->header.message_type != HVMSG_NONE) { + handled = true; + vmbus_on_msg_dpc(0); + } + if (handled) return IRQ_HANDLED; else -- 1.7.4.1 _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
