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Diffstat (limited to 'arch/um/kernel/um_arch.c')
-rw-r--r--arch/um/kernel/um_arch.c67
1 files changed, 12 insertions, 55 deletions
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 9274eae6ae7b..07f798f4bcee 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -11,6 +11,7 @@
#include <linux/string.h>
#include <linux/utsname.h>
#include <linux/sched.h>
+#include <linux/kmsg_dump.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/sections.h>
@@ -66,12 +67,6 @@ static int show_cpuinfo(struct seq_file *m, void *v)
{
int index = 0;
-#ifdef CONFIG_SMP
- index = (struct cpuinfo_um *) v - cpu_data;
- if (!cpu_online(index))
- return 0;
-#endif
-
seq_printf(m, "processor\t: %d\n", index);
seq_printf(m, "vendor_id\t: User Mode Linux\n");
seq_printf(m, "model name\t: UML\n");
@@ -168,23 +163,6 @@ __uml_setup("debug", no_skas_debug_setup,
" this flag is not needed to run gdb on UML in skas mode\n\n"
);
-#ifdef CONFIG_SMP
-static int __init uml_ncpus_setup(char *line, int *add)
-{
- if (!sscanf(line, "%d", &ncpus)) {
- printf("Couldn't parse [%s]\n", line);
- return -1;
- }
-
- return 0;
-}
-
-__uml_setup("ncpus=", uml_ncpus_setup,
-"ncpus=<# of desired CPUs>\n"
-" This tells an SMP kernel how many virtual processors to start.\n\n"
-);
-#endif
-
static int __init Usage(char *line, int *add)
{
const char **p;
@@ -234,6 +212,7 @@ static void __init uml_postsetup(void)
static int panic_exit(struct notifier_block *self, unsigned long unused1,
void *unused2)
{
+ kmsg_dump(KMSG_DUMP_PANIC);
bust_spinlocks(1);
bust_spinlocks(0);
uml_exitcode = 1;
@@ -247,6 +226,16 @@ static struct notifier_block panic_exit_notifier = {
.priority = 0
};
+void uml_finishsetup(void)
+{
+ atomic_notifier_chain_register(&panic_notifier_list,
+ &panic_exit_notifier);
+
+ uml_postsetup();
+
+ new_thread_handler();
+}
+
/* Set during early boot */
unsigned long task_size;
EXPORT_SYMBOL(task_size);
@@ -268,7 +257,6 @@ int __init linux_main(int argc, char **argv)
unsigned long stack;
unsigned int i;
int add;
- char * mode;
for (i = 1; i < argc; i++) {
if ((i == 1) && (argv[i][0] == ' '))
@@ -291,15 +279,6 @@ int __init linux_main(int argc, char **argv)
/* OS sanity checks that need to happen before the kernel runs */
os_early_checks();
- can_do_skas();
-
- if (proc_mm && ptrace_faultinfo)
- mode = "SKAS3";
- else
- mode = "SKAS0";
-
- printf("UML running in %s mode\n", mode);
-
brk_start = (unsigned long) sbrk(0);
/*
@@ -334,11 +313,6 @@ int __init linux_main(int argc, char **argv)
if (physmem_size + iomem_size > max_physmem) {
highmem = physmem_size + iomem_size - max_physmem;
physmem_size -= highmem;
-#ifndef CONFIG_HIGHMEM
- highmem = 0;
- printf("CONFIG_HIGHMEM not enabled - physical memory shrunk "
- "to %Lu bytes\n", physmem_size);
-#endif
}
high_physmem = uml_physmem + physmem_size;
@@ -362,11 +336,6 @@ int __init linux_main(int argc, char **argv)
printf("Kernel virtual memory size shrunk to %lu bytes\n",
virtmem_size);
- atomic_notifier_chain_register(&panic_notifier_list,
- &panic_exit_notifier);
-
- uml_postsetup();
-
stack_protections((unsigned long) &init_thread_info);
os_flush_stdout();
@@ -390,15 +359,3 @@ void __init check_bugs(void)
void apply_alternatives(struct alt_instr *start, struct alt_instr *end)
{
}
-
-#ifdef CONFIG_SMP
-void alternatives_smp_module_add(struct module *mod, char *name,
- void *locks, void *locks_end,
- void *text, void *text_end)
-{
-}
-
-void alternatives_smp_module_del(struct module *mod)
-{
-}
-#endif