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[Xen-devel] [PATCH] x86_64 trap table fixup

To: Keir.Fraser@xxxxxxxxxxxx
Subject: [Xen-devel] [PATCH] x86_64 trap table fixup
From: Chris Wright <chrisw@xxxxxxxx>
Date: Sun, 3 Jul 2005 21:27:27 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: 2005年7月04日 04:26:24 +0000
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Recent header file cleanup (cset 2b6c1a8098078f7e53de7cf72227fddf01f0b2b6)
broke x86_64. The cleanup removed a padding field in trap_info_t, so the 
trap table set the address for each trap handler to zero.
Signed-off-by: Chris Wright <chrisw@xxxxxxxx>
---
diff -r f8acd354e129 linux-2.6.11-xen-sparse/arch/xen/x86_64/kernel/traps.c
--- a/linux-2.6.11-xen-sparse/arch/xen/x86_64/kernel/traps.c Sat Jul 2 
08:41:48 2005
+++ b/linux-2.6.11-xen-sparse/arch/xen/x86_64/kernel/traps.c Sun Jul 3 
23:18:10 2005
@@ -910,31 +910,31 @@
 
 
 static trap_info_t trap_table[] = {
- { 0, 0, (__KERNEL_CS|0x3), 0, (unsigned long)divide_error 
 },
- { 1, 0, (__KERNEL_CS|0x3), 0, (unsigned long)debug 
 },
- { 3, 3, (__KERNEL_CS|0x3), 0, (unsigned long)int3 
 },
- { 4, 3, (__KERNEL_CS|0x3), 0, (unsigned long)overflow 
 },
- { 5, 3, (__KERNEL_CS|0x3), 0, (unsigned long)bounds 
 },
- { 6, 0, (__KERNEL_CS|0x3), 0, (unsigned long)invalid_op 
 },
- { 7, 0, (__KERNEL_CS|0x3), 0, (unsigned long)device_not_available 
 },
- { 9, 0, (__KERNEL_CS|0x3), 0, (unsigned 
long)coprocessor_segment_overrun},
- { 10, 0, (__KERNEL_CS|0x3), 0, (unsigned long)invalid_TSS 
 },
- { 11, 0, (__KERNEL_CS|0x3), 0, (unsigned long)segment_not_present 
 },
- { 12, 0, (__KERNEL_CS|0x3), 0, (unsigned long)stack_segment 
 },
- { 13, 0, (__KERNEL_CS|0x3), 0, (unsigned long)general_protection 
 },
- { 14, 0, (__KERNEL_CS|0x3), 0, (unsigned long)page_fault 
 },
- { 15, 0, (__KERNEL_CS|0x3), 0, (unsigned long)spurious_interrupt_bug 
 },
- { 16, 0, (__KERNEL_CS|0x3), 0, (unsigned long)coprocessor_error 
 },
- { 17, 0, (__KERNEL_CS|0x3), 0, (unsigned long)alignment_check 
 },
+ { 0, 0, (__KERNEL_CS|0x3), (unsigned long)divide_error 
},
+ { 1, 0, (__KERNEL_CS|0x3), (unsigned long)debug 
},
+ { 3, 3, (__KERNEL_CS|0x3), (unsigned long)int3 
},
+ { 4, 3, (__KERNEL_CS|0x3), (unsigned long)overflow 
},
+ { 5, 3, (__KERNEL_CS|0x3), (unsigned long)bounds 
},
+ { 6, 0, (__KERNEL_CS|0x3), (unsigned long)invalid_op 
},
+ { 7, 0, (__KERNEL_CS|0x3), (unsigned long)device_not_available 
},
+ { 9, 0, (__KERNEL_CS|0x3), (unsigned 
long)coprocessor_segment_overrun},
+ { 10, 0, (__KERNEL_CS|0x3), (unsigned long)invalid_TSS 
},
+ { 11, 0, (__KERNEL_CS|0x3), (unsigned long)segment_not_present 
},
+ { 12, 0, (__KERNEL_CS|0x3), (unsigned long)stack_segment 
},
+ { 13, 0, (__KERNEL_CS|0x3), (unsigned long)general_protection 
},
+ { 14, 0, (__KERNEL_CS|0x3), (unsigned long)page_fault 
},
+ { 15, 0, (__KERNEL_CS|0x3), (unsigned long)spurious_interrupt_bug 
},
+ { 16, 0, (__KERNEL_CS|0x3), (unsigned long)coprocessor_error 
},
+ { 17, 0, (__KERNEL_CS|0x3), (unsigned long)alignment_check 
},
 #ifdef CONFIG_X86_MCE
- { 18, 0, (__KERNEL_CS|0x3), 0, (unsigned long)machine_check 
 },
-#endif
- { 19, 0, (__KERNEL_CS|0x3), 0, (unsigned long)simd_coprocessor_error 
 },
- { SYSCALL_VECTOR, 3, (__KERNEL_CS|0x3), 0, (unsigned long)system_call 
 },
+ { 18, 0, (__KERNEL_CS|0x3), (unsigned long)machine_check 
},
+#endif
+ { 19, 0, (__KERNEL_CS|0x3), (unsigned long)simd_coprocessor_error 
},
+ { SYSCALL_VECTOR, 3, (__KERNEL_CS|0x3), (unsigned long)system_call },
 #ifdef CONFIG_IA32_EMULATION
- { IA32_SYSCALL_VECTOR, 3, (__KERNEL_CS|0x3), 0, (unsigned 
long)ia32_syscall},
-#endif
- { 0, 0, 0, 0, 0 
 }
+ { IA32_SYSCALL_VECTOR, 3, (__KERNEL_CS|0x3), (unsigned 
long)ia32_syscall},
+#endif
+ { 0, 0, 0, 0 }
 };
 
 void __init trap_init(void)
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