add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/x86/mm/mem_encrypt_identity.c
..
..
@@ -586,7 +586,8 @@
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 	cmdline_ptr = (const char *)((u64)bp->hdr.cmd_line_ptr |
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 				     ((u64)bp->ext_cmd_line_ptr << 32));
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-	cmdline_find_option(cmdline_ptr, cmdline_arg, buffer, sizeof(buffer));
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+	if (cmdline_find_option(cmdline_ptr, cmdline_arg, buffer, sizeof(buffer)) < 0)
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+		return;
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 	if (!strncmp(buffer, cmdline_on, sizeof(buffer)))
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 		sme_me_mask = me_mask;