57 	struct mc_buffer *b = &__get_cpu_var(mc_buffer);  in xen_mc_flush()  local
69 	trace_xen_mc_flush(b->mcidx, b->argidx, b->cbidx);  in xen_mc_flush()
71 	switch (b->mcidx) {  in xen_mc_flush()
74 		BUG_ON(b->argidx != 0);  in xen_mc_flush()
80 		mc = &b->entries[0];  in xen_mc_flush()
90 		memcpy(b->debug, b->entries,  in xen_mc_flush()
91 		       b->mcidx * sizeof(struct multicall_entry));  in xen_mc_flush()
94 		if (HYPERVISOR_multicall(b->entries, b->mcidx) != 0)  in xen_mc_flush()
96 		for (i = 0; i < b->mcidx; i++)  in xen_mc_flush()
97 			if (b->entries[i].result < 0)  in xen_mc_flush()
105 			for (i = 0; i < b->mcidx; i++) {  in xen_mc_flush()
107 				       i+1, b->mcidx,  in xen_mc_flush()
108 				       b->debug[i].op,  in xen_mc_flush()
109 				       b->debug[i].args[0],  in xen_mc_flush()
110 				       b->entries[i].result,  in xen_mc_flush()
111 				       b->caller[i]);  in xen_mc_flush()
117 	b->mcidx = 0;  in xen_mc_flush()
118 	b->argidx = 0;  in xen_mc_flush()
120 	for (i = 0; i < b->cbidx; i++) {  in xen_mc_flush()
121 		struct callback *cb = &b->callbacks[i];  in xen_mc_flush()
125 	b->cbidx = 0;  in xen_mc_flush()
134 	struct mc_buffer *b = &__get_cpu_var(mc_buffer);  in __xen_mc_entry()  local
136 	unsigned argidx = roundup(b->argidx, sizeof(u64));  in __xen_mc_entry()
141 	BUG_ON(b->argidx >= MC_ARGS);  in __xen_mc_entry()
143 	if (unlikely(b->mcidx == MC_BATCH ||  in __xen_mc_entry()
145 		trace_xen_mc_flush_reason((b->mcidx == MC_BATCH) ?  in __xen_mc_entry()
148 		argidx = roundup(b->argidx, sizeof(u64));  in __xen_mc_entry()
151 	ret.mc = &b->entries[b->mcidx];  in __xen_mc_entry()
153 	b->caller[b->mcidx] = __builtin_return_address(0);  in __xen_mc_entry()
155 	b->mcidx++;  in __xen_mc_entry()
156 	ret.args = &b->args[argidx];  in __xen_mc_entry()
157 	b->argidx = argidx + args;  in __xen_mc_entry()
159 	BUG_ON(b->argidx >= MC_ARGS);  in __xen_mc_entry()
165 	struct mc_buffer *b = &__get_cpu_var(mc_buffer);  in xen_mc_extend_args()  local
169 	BUG_ON(b->argidx >= MC_ARGS);  in xen_mc_extend_args()
171 	if (unlikely(b->mcidx == 0 ||  in xen_mc_extend_args()
172 		     b->entries[b->mcidx - 1].op != op)) {  in xen_mc_extend_args()
177 	if (unlikely((b->argidx + size) >= MC_ARGS)) {  in xen_mc_extend_args()
182 	ret.mc = &b->entries[b->mcidx - 1];  in xen_mc_extend_args()
183 	ret.args = &b->args[b->argidx];  in xen_mc_extend_args()
184 	b->argidx += size;  in xen_mc_extend_args()
186 	BUG_ON(b->argidx >= MC_ARGS);  in xen_mc_extend_args()
195 	struct mc_buffer *b = &__get_cpu_var(mc_buffer);  in xen_mc_callback()  local
198 	if (b->cbidx == MC_BATCH) {  in xen_mc_callback()
205 	cb = &b->callbacks[b->cbidx++];  in xen_mc_callback()