---

yaml
---
r: 54307
b: refs/heads/master
c: 1d1497e
h: refs/heads/master
i:
  54305: 682e7e9
  54303: eb75cd3
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 377fad3acbb7e94ab9942a74e0d9ede8eeb2f039
+refs/heads/master: 1d1497e1f9ffe2f7198c916abd112226a7a503f2

trunk/arch/um/kernel/um_arch.c

@@ -44,7 +44,7 @@
 
 #define DEFAULT_COMMAND_LINE "root=98:0"
 
-/* Changed in linux_main and setup_arch, which run before SMP is started */
+/* Changed in add_arg and setup_arch, which run before SMP is started */
 static char __initdata command_line[COMMAND_LINE_SIZE] = { 0 };
 
 static void __init add_arg(char *arg)
@@ -58,7 +58,12 @@ static void __init add_arg(char *arg)
 	strcat(command_line, arg);
 }
 
-struct cpuinfo_um boot_cpu_data = { 
+/*
+ * These fields are initialized at boot time and not changed.
+ * XXX This structure is used only in the non-SMP case.  Maybe this
+ * should be moved to smp.c.
+ */
+struct cpuinfo_um boot_cpu_data = {
 	.loops_per_jiffy	= 0,
 	.ipi_pipe		= { -1, -1 }
 };
@@ -119,14 +124,12 @@ const struct seq_operations cpuinfo_op = {
 /* Set in linux_main */
 unsigned long host_task_size;
 unsigned long task_size;
-
-unsigned long uml_start;
-
-/* Set in early boot */
 unsigned long uml_physmem;
-unsigned long uml_reserved;
+unsigned long uml_reserved; /* Also modified in mem_init */
 unsigned long start_vm;
 unsigned long end_vm;
+
+/* Set in uml_ncpus_setup */
 int ncpus = 1;
 
 #ifdef CONFIG_CMDLINE_ON_HOST
@@ -140,6 +143,8 @@ static char *argv1_end = NULL;
 
 /* Set in early boot */
 static int have_root __initdata = 0;
+
+/* Set in uml_mem_setup and modified in linux_main */
 long long physmem_size = 32 * 1024 * 1024;
 
 void set_cmdline(char *cmd)
@@ -378,7 +383,6 @@ int __init linux_main(int argc, char **argv)
 
 	printf("UML running in %s mode\n", mode);
 
-	uml_start = (unsigned long) &__binary_start;
 	host_task_size = CHOOSE_MODE_PROC(set_task_sizes_tt,
 					  set_task_sizes_skas, &task_size);
 
@@ -400,7 +404,7 @@ int __init linux_main(int argc, char **argv)
 		physmem_size += UML_ROUND_UP(brk_start) - UML_ROUND_UP(&_end);
 	}
 
-	uml_physmem = uml_start & PAGE_MASK;
+	uml_physmem = (unsigned long) &__binary_start & PAGE_MASK;
 
 	/* Reserve up to 4M after the current brk */
 	uml_reserved = ROUND_4M(brk_start) + (1 << 22);