From: Long Li <longli@microsoft.com>
Date: Tue, 11 Aug 2020 02:33:12 +0000 (-0700)
Subject: bus/vmbus: remove sending interrupts via INT bit
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9c9d1dd5164583988120a7bb9002c4e062f95e97;p=dpdk.git

bus/vmbus: remove sending interrupts via INT bit

netvsc is a high speed VMBus device that uses monitor bit to signal the
host. It's not necessary to send interrupts via INT bit.

Signed-off-by: Long Li <longli@microsoft.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
---

diff --git a/drivers/bus/vmbus/vmbus_channel.c b/drivers/bus/vmbus/vmbus_channel.c
index 4f5578e2c6..f67f1c438a 100644
--- a/drivers/bus/vmbus/vmbus_channel.c
+++ b/drivers/bus/vmbus/vmbus_channel.c
@@ -26,18 +26,6 @@ vmbus_sync_set_bit(volatile uint32_t *addr, uint32_t mask)
 	__sync_or_and_fetch(addr, mask);
 }
 
-static inline void
-vmbus_send_interrupt(const struct rte_vmbus_device *dev, uint32_t relid)
-{
-	uint32_t *int_addr;
-	uint32_t int_mask;
-
-	int_addr = dev->int_page + relid / 32;
-	int_mask = 1u << (relid % 32);
-
-	vmbus_sync_set_bit(int_addr, int_mask);
-}
-
 static inline void
 vmbus_set_monitor(const struct rte_vmbus_device *dev, uint32_t monitor_id)
 {
@@ -55,7 +43,6 @@ static void
 vmbus_set_event(const struct rte_vmbus_device *dev,
 		const struct vmbus_channel *chan)
 {
-	vmbus_send_interrupt(dev, chan->relid);
 	vmbus_set_monitor(dev, chan->monitor_id);
 }