modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/arch/ia64/kernel/ftrace.c
..
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@@ -108,7 +108,7 @@
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 		goto skip_check;
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 	/* read the text we want to modify */
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-	if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE))
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+	if (copy_from_kernel_nofault(replaced, (void *)ip, MCOUNT_INSN_SIZE))
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 		return -EFAULT;
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 	/* Make sure it is what we expect it to be */
..
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@@ -117,7 +117,7 @@
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 skip_check:
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 	/* replace the text with the new text */
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-	if (probe_kernel_write(((void *)ip), new_code, MCOUNT_INSN_SIZE))
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+	if (copy_to_kernel_nofault(((void *)ip), new_code, MCOUNT_INSN_SIZE))
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 		return -EPERM;
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 	flush_icache_range(ip, ip + MCOUNT_INSN_SIZE);
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..
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@@ -129,7 +129,7 @@
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 	unsigned char __attribute__((aligned(8))) replaced[MCOUNT_INSN_SIZE];
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 	unsigned long ip = rec->ip;
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-	if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE))
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+	if (copy_from_kernel_nofault(replaced, (void *)ip, MCOUNT_INSN_SIZE))
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 		return -EFAULT;
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 	if (rec->flags & FTRACE_FL_CONVERTED) {
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 		struct ftrace_call_insn *call_insn, *tmp_call;