[Xen-changelog] Fix int3 handling in cdb. They're harmless.

[BitKeeper Bot <riel@xxxxxxxxxxx>]

ChangeSet 1.1415, 2005/05/02 17:01:00+01:00, kaf24@xxxxxxxxxxxxxxxxxxxx

        Fix int3 handling in cdb. They're harmless.
        Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>



 debugger.h |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletion(-)


diff -Nru a/xen/include/asm-x86/debugger.h b/xen/include/asm-x86/debugger.h
--- a/xen/include/asm-x86/debugger.h    2005-05-02 13:03:04 -04:00
+++ b/xen/include/asm-x86/debugger.h    2005-05-02 13:03:04 -04:00
@@ -42,7 +42,14 @@
 
 extern int __trap_to_cdb(struct cpu_user_regs *r);
 #define debugger_trap_entry(_v, _r) (0)
-#define debugger_trap_fatal(_v, _r) __trap_to_cdb(_r)
+
+static inline int debugger_trap_fatal(
+    unsigned int vector, struct cpu_user_regs *regs)
+{
+    (void)__trap_to_cdb(regs);
+    return (vector == TRAP_int3); /* int3 is harmless */
+}
+
 /* Int3 is a trivial way to gather cpu_user_regs context. */
 #define debugger_trap_immediate() __asm__ __volatile__ ( "int3" );
 

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