D6382.id.diff
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D6382.id.diff
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	Index: head/sys/dev/hyperv/vmbus/hv_connection.c
	===================================================================
	--- head/sys/dev/hyperv/vmbus/hv_connection.c
	+++ head/sys/dev/hyperv/vmbus/hv_connection.c
	@@ -33,6 +33,7 @@
	#include <sys/lock.h>
	#include <sys/mutex.h>
	#include <machine/bus.h>
	+#include <machine/atomic.h>
	#include <vm/vm.h>
	#include <vm/vm_param.h>
	#include <vm/pmap.h>
	@@ -313,7 +314,7 @@
	/*
	* receive size is 1/2 page and divide that by 4 bytes
	*/
	- if (synch_test_and_clear_bit(0, &event->flags32[0])) {
	+ if (atomic_testandclear_int(&event->flags32[0], 0)) {
	recv_interrupt_page =
	hv_vmbus_g_connection.recv_interrupt_page;
	} else {
	@@ -337,8 +338,8 @@
	continue;

	for (bit = 0; bit < HV_CHANNEL_DWORD_LEN; bit++) {
	- if (synch_test_and_clear_bit(bit,
	- (uint32_t *)&recv_interrupt_page[dword])) {
	+ if (atomic_testandclear_int(
	+ &recv_interrupt_page[dword], bit)) {
	struct hv_vmbus_channel *channel;

	rel_id = (dword << 5) + bit;