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[Xen-ia64-devel] [PATCH] [IA64] Fix serial console freeze issue

To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-ia64-devel] [PATCH] [IA64] Fix serial console freeze issue
From: "KUWAMURA Shin'ya" <kuwa@xxxxxxxxxxxxxx>
Date: Mon, 31 Aug 2009 17:21:46 +0900 (JST)
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Hi,

20110:6e83b0ec2d70 is incomplete. irq_to_vector() is still required,
otherwise the serial console freezes without sync_console.

I confirmed that dom0 booted up without sync_console.

Signed-off-by: KUWAMURA Shin'ya <kuwa@xxxxxxxxxxxxxx>
-- 
  KUWAMURA Shin'ya
# HG changeset patch
# User KUWAMURA Shin'ya <kuwa@xxxxxxxxxxxxxx>
# Date 1251706346 -32400
# Node ID 014b085c7e0945ceb0adb4ad7a41412b23ef1d62
# Parent  e8004f6c254a5778b50babd527e74208981640b9
[IA64] Fix serial console freeze issue

20110:6e83b0ec2d70 is incomplete. irq_to_vector() is still required,
otherwise the serial console freezes without sync_console.

Signed-off-by: KUWAMURA Shin'ya <kuwa@xxxxxxxxxxxxxx>

diff -r e8004f6c254a -r 014b085c7e09 xen/include/xen/irq.h
--- a/xen/include/xen/irq.h     Thu Aug 27 11:25:34 2009 +0100
+++ b/xen/include/xen/irq.h     Mon Aug 31 17:12:26 2009 +0900
@@ -82,14 +82,17 @@
 extern irq_desc_t irq_desc[NR_VECTORS];
 
 #define setup_irq(irq, action) \
-    setup_irq_vector(irq, action)
+    setup_irq_vector(irq_to_vector(irq), action)
 
 #define release_irq(irq) \
-    release_irq_vector(irq)
+    release_irq_vector(irq_to_vector(irq))
 
 #define request_irq(irq, handler, irqflags, devname, devid) \
-    request_irq_vector(irq, handler, irqflags, devname, devid)
+    request_irq_vector(irq_to_vector(irq), handler, irqflags, devname, devid)
 
+static inline unsigned int irq_to_vector(int);
+extern int setup_irq_vector(unsigned int, struct irqaction *);
+extern void release_irq_vector(unsigned int);
 extern int request_irq_vector(unsigned int vector,
                void (*handler)(int, void *, struct cpu_user_regs *),
                unsigned long irqflags, const char * devname, void *dev_id);
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