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@@ -488,20 +488,21 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
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* ignore such a protection.
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*/
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asm volatile(
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- "1: " _ASM_MOV " (%[parent_old]), %[old]\n"
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- "2: " _ASM_MOV " %[return_hooker], (%[parent_replaced])\n"
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+ "1: " _ASM_MOV " (%[parent]), %[old]\n"
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+ "2: " _ASM_MOV " %[return_hooker], (%[parent])\n"
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" movl $0, %[faulted]\n"
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+ "3:\n"
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".section .fixup, \"ax\"\n"
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- "3: movl $1, %[faulted]\n"
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+ "4: movl $1, %[faulted]\n"
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+ " jmp 3b\n"
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".previous\n"
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- _ASM_EXTABLE(1b, 3b)
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- _ASM_EXTABLE(2b, 3b)
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+ _ASM_EXTABLE(1b, 4b)
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+ _ASM_EXTABLE(2b, 4b)
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- : [parent_replaced] "=r" (parent), [old] "=r" (old),
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- [faulted] "=r" (faulted)
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- : [parent_old] "0" (parent), [return_hooker] "r" (return_hooker)
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+ : [old] "=r" (old), [faulted] "=r" (faulted)
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+ : [parent] "r" (parent), [return_hooker] "r" (return_hooker)
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: "memory"
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);
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