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[Xen-devel] [PATCH ARM v5 12/20] mini-os: added arch_unbind_ports



This allows closing any ports opened by the arch-specific code.
ARM will use it for the debug port.

Signed-off-by: Thomas Leonard <talex5@xxxxxxxxx>
---
 extras/mini-os/arch/x86/events.c | 4 ++++
 extras/mini-os/events.c          | 1 +
 extras/mini-os/include/events.h  | 4 ++++
 3 files changed, 9 insertions(+)

diff --git a/extras/mini-os/arch/x86/events.c b/extras/mini-os/arch/x86/events.c
index e420a98..5198cf3 100644
--- a/extras/mini-os/arch/x86/events.c
+++ b/extras/mini-os/arch/x86/events.c
@@ -23,6 +23,10 @@ void arch_init_events(void)
 #endif
 }
 
+void arch_unbind_ports(void)
+{
+}
+
 void arch_fini_events(void)
 {
 #if defined(__x86_64__)
diff --git a/extras/mini-os/events.c b/extras/mini-os/events.c
index d07dbfb..2a23042 100644
--- a/extras/mini-os/events.c
+++ b/extras/mini-os/events.c
@@ -179,6 +179,7 @@ void init_events(void)
 void fini_events(void)
 {
     /* Dealloc all events */
+    arch_unbind_ports();
     unbind_all_ports();
     arch_fini_events();
 }
diff --git a/extras/mini-os/include/events.h b/extras/mini-os/include/events.h
index 0452d21..89b5997 100644
--- a/extras/mini-os/include/events.h
+++ b/extras/mini-os/include/events.h
@@ -26,6 +26,10 @@ typedef void (*evtchn_handler_t)(evtchn_port_t, struct 
pt_regs *, void *);
 
 /* prototypes */
 void arch_init_events(void);
+
+/* Called by fini_events to close any ports opened by arch-specific code. */
+void arch_unbind_ports(void);
+
 void arch_fini_events(void);
 
 int do_event(evtchn_port_t port, struct pt_regs *regs);
-- 
2.0.0


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