[PATCH] x86_64: don't copy command line twice

... reducing the amount of changes Xen has to do.

Signed-Off-By: Jan Beulich <[e-mail]>

Signed-off-by: Andi Kleen <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/x86_64/kernel/setup.c

···
 	int len = 0;
 	int userdef = 0;
 
-	/* Save unparsed command line copy for /proc/cmdline */
-	memcpy(saved_command_line, COMMAND_LINE, COMMAND_LINE_SIZE);
-	saved_command_line[COMMAND_LINE_SIZE-1] = '\0';
-
 	for (;;) {
 		if (c != ' ') 
 			goto next_char;