lguest: make hypercalls use the vcpu struct

this patch changes do_hcall() and do_async_hcall() interfaces (and obviously their
callers) to get a vcpu struct. Again, a vcpu services the hypercall, not the whole
guest

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 8 insertions, 8 deletions

diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h
index bfca2716ad11..a4ebd415fa27 100644
--- a/drivers/lguest/lg.h
+++ b/drivers/lguest/lg.h
@@ -43,6 +43,10 @@ struct lguest;
 struct lg_cpu {
         unsigned int id;
         struct lguest *lg;
+
+        /* If a hypercall was asked for, this points to the arguments. */
+        struct hcall_args *hcall;
+        u32 next_hcall;
 };
 
 /* The private info the thread maintains about the guest. */
@@ -65,13 +69,9 @@ struct lguest
         u32 cr2;
         int halted;
         int ts;
-        u32 next_hcall;
         u32 esp1;
         u8 ss1;
 
-        /* If a hypercall was asked for, this points to the arguments. */
-        struct hcall_args *hcall;
-
         /* Do we need to stop what we're doing and return to userspace? */
         int break_out;
         wait_queue_head_t break_wq;
@@ -178,9 +178,9 @@ void page_table_guest_data_init(struct lguest *lg);
 void lguest_arch_host_init(void);
 void lguest_arch_host_fini(void);
 void lguest_arch_run_guest(struct lg_cpu *cpu);
-void lguest_arch_handle_trap(struct lguest *lg);
-int lguest_arch_init_hypercalls(struct lguest *lg);
-int lguest_arch_do_hcall(struct lguest *lg, struct hcall_args *args);
+void lguest_arch_handle_trap(struct lg_cpu *cpu);
+int lguest_arch_init_hypercalls(struct lg_cpu *cpu);
+int lguest_arch_do_hcall(struct lg_cpu *cpu, struct hcall_args *args);
 void lguest_arch_setup_regs(struct lguest *lg, unsigned long start);
 
 /* <arch>/switcher.S: */
@@ -191,7 +191,7 @@ int lguest_device_init(void);
 void lguest_device_remove(void);
 
 /* hypercalls.c: */
-void do_hypercalls(struct lguest *lg);
+void do_hypercalls(struct lg_cpu *cpu);
 void write_timestamp(struct lguest *lg);
 
 /*L:035