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Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/kernel/um_arch.c51
-rw-r--r--arch/um/os-Linux/main.c11
-rw-r--r--arch/um/sys-i386/bugs.c54
-rw-r--r--arch/um/sys-x86_64/bugs.c34
4 files changed, 67 insertions, 83 deletions
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 89c6dba731f..299d75a41a7 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -63,8 +63,8 @@ struct cpuinfo_um boot_cpu_data = {
unsigned long thread_saved_pc(struct task_struct *task)
{
- return(os_process_pc(CHOOSE_MODE_PROC(thread_pid_tt, thread_pid_skas,
- task)));
+ return os_process_pc(CHOOSE_MODE_PROC(thread_pid_tt, thread_pid_skas,
+ task));
}
static int show_cpuinfo(struct seq_file *m, void *v)
@@ -86,7 +86,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
loops_per_jiffy/(500000/HZ),
(loops_per_jiffy/(5000/HZ)) % 100);
- return(0);
+ return 0;
}
static void *c_start(struct seq_file *m, loff_t *pos)
@@ -212,12 +212,12 @@ __uml_setup("debug", no_skas_debug_setup,
#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;
- }
+ if (!sscanf(line, "%d", &ncpus)) {
+ printf("Couldn't parse [%s]\n", line);
+ return -1;
+ }
- return 0;
+ return 0;
}
__uml_setup("ncpus=", uml_ncpus_setup,
@@ -234,7 +234,7 @@ static int force_tt = 0;
static int __init mode_tt_setup(char *line, int *add)
{
force_tt = 1;
- return(0);
+ return 0;
}
#else
@@ -245,7 +245,7 @@ static int __init mode_tt_setup(char *line, int *add)
static int __init mode_tt_setup(char *line, int *add)
{
printf("CONFIG_MODE_TT disabled - 'mode=tt' ignored\n");
- return(0);
+ return 0;
}
#else
@@ -256,7 +256,7 @@ static int __init mode_tt_setup(char *line, int *add)
static int __init mode_tt_setup(char *line, int *add)
{
printf("CONFIG_MODE_SKAS disabled - 'mode=tt' redundant\n");
- return(0);
+ return 0;
}
#endif
@@ -274,16 +274,15 @@ int mode_tt = DEFAULT_TT;
static int __init Usage(char *line, int *add)
{
- const char **p;
+ const char **p;
printf(usage_string, init_utsname()->release);
- p = &__uml_help_start;
- while (p < &__uml_help_end) {
- printf("%s", *p);
- p++;
- }
+ p = &__uml_help_start;
+ while (p < &__uml_help_end) {
+ printf("%s", *p);
+ p++;
+ }
exit(0);
-
return 0;
}
@@ -379,8 +378,8 @@ int __init linux_main(int argc, char **argv)
set_task_sizes_skas, &task_size);
/*
- * Setting up handlers to 'sig_info' struct
- */
+ * Setting up handlers to 'sig_info' struct
+ */
os_fill_handlinfo(handlinfo_kern);
brk_start = (unsigned long) sbrk(0);
@@ -407,7 +406,7 @@ int __init linux_main(int argc, char **argv)
argv1_begin = argv[1];
argv1_end = &argv[1][strlen(argv[1])];
#endif
-
+
highmem = 0;
iomem_size = (iomem_size + PAGE_SIZE - 1) & PAGE_MASK;
max_physmem = get_kmem_end() - uml_physmem - iomem_size - MIN_VMALLOC;
@@ -449,12 +448,12 @@ int __init linux_main(int argc, char **argv)
printf("Kernel virtual memory size shrunk to %lu bytes\n",
virtmem_size);
- uml_postsetup();
+ uml_postsetup();
task_protections((unsigned long) &init_thread_info);
os_flush_stdout();
- return(CHOOSE_MODE(start_uml_tt(), start_uml_skas()));
+ return CHOOSE_MODE(start_uml_tt(), start_uml_skas());
}
extern int uml_exitcode;
@@ -467,7 +466,7 @@ static int panic_exit(struct notifier_block *self, unsigned long unused1,
bust_spinlocks(0);
uml_exitcode = 1;
machine_halt();
- return(0);
+ return 0;
}
static struct notifier_block panic_exit_notifier = {
@@ -482,14 +481,14 @@ void __init setup_arch(char **cmdline_p)
&panic_exit_notifier);
paging_init();
strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
- *cmdline_p = command_line;
+ *cmdline_p = command_line;
setup_hostinfo();
}
void __init check_bugs(void)
{
arch_check_bugs();
- os_check_bugs();
+ os_check_bugs();
}
void apply_alternatives(struct alt_instr *start, struct alt_instr *end)
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index 7aa4c2a7a59..2c089c2c63b 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -218,7 +218,7 @@ int main(int argc, char **argv, char **envp)
ret = 1;
}
printf("\n");
- return(uml_exitcode);
+ return uml_exitcode;
}
#define CAN_KMALLOC() \
@@ -231,7 +231,7 @@ void *__wrap_malloc(int size)
void *ret;
if(!CAN_KMALLOC())
- return(__real_malloc(size));
+ return __real_malloc(size);
else if(size <= PAGE_SIZE) /* finding contiguos pages can be hard*/
ret = um_kmalloc(size);
else ret = um_vmalloc(size);
@@ -242,16 +242,17 @@ void *__wrap_malloc(int size)
if(ret == NULL)
errno = ENOMEM;
- return(ret);
+ return ret;
}
void *__wrap_calloc(int n, int size)
{
void *ptr = __wrap_malloc(n * size);
- if(ptr == NULL) return(NULL);
+ if(ptr == NULL)
+ return NULL;
memset(ptr, 0, n * size);
- return(ptr);
+ return ptr;
}
extern void __real_free(void *);
diff --git a/arch/um/sys-i386/bugs.c b/arch/um/sys-i386/bugs.c
index e524a087679..cae0af14903 100644
--- a/arch/um/sys-i386/bugs.c
+++ b/arch/um/sys-i386/bugs.c
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -32,21 +32,21 @@ static char token(int fd, char *buf, int len, char stop)
n = os_read_file(fd, ptr, sizeof(*ptr));
c = *ptr++;
if(n != sizeof(*ptr)){
- if(n == 0) return(0);
+ if(n == 0)
+ return 0;
printk("Reading /proc/cpuinfo failed, err = %d\n", -n);
if(n < 0)
- return(n);
- else
- return(-EIO);
+ return n;
+ else return -EIO;
}
} while((c != '\n') && (c != stop) && (ptr < end));
if(ptr == end){
printk("Failed to find '%c' in /proc/cpuinfo\n", stop);
- return(-1);
+ return -1;
}
*(ptr - 1) = '\0';
- return(c);
+ return c;
}
static int find_cpuinfo_line(int fd, char *key, char *scratch, int len)
@@ -58,25 +58,25 @@ static int find_cpuinfo_line(int fd, char *key, char *scratch, int len)
while(1){
c = token(fd, scratch, len - 1, ':');
if(c <= 0)
- return(0);
+ return 0;
else if(c != ':'){
printk("Failed to find ':' in /proc/cpuinfo\n");
- return(0);
+ return 0;
}
if(!strncmp(scratch, key, strlen(key)))
- return(1);
+ return 1;
do {
n = os_read_file(fd, &c, sizeof(c));
if(n != sizeof(c)){
printk("Failed to find newline in "
"/proc/cpuinfo, err = %d\n", -n);
- return(0);
+ return 0;
}
} while(c != '\n');
}
- return(0);
+ return 0;
}
static int check_cpu_flag(char *feature, int *have_it)
@@ -96,7 +96,8 @@ static int check_cpu_flag(char *feature, int *have_it)
goto out;
c = token(fd, buf, len - 1, ' ');
- if(c < 0) goto out;
+ if(c < 0)
+ goto out;
else if(c != ' '){
printk("Failed to find ' ' in /proc/cpuinfo\n");
goto out;
@@ -104,7 +105,8 @@ static int check_cpu_flag(char *feature, int *have_it)
while(1){
c = token(fd, buf, len - 1, ' ');
- if(c < 0) goto out;
+ if(c < 0)
+ goto out;
else if(c == '\n') break;
if(!strcmp(buf, feature)){
@@ -113,8 +115,10 @@ static int check_cpu_flag(char *feature, int *have_it)
}
}
out:
- if(*have_it == 0) printk("No\n");
- else if(*have_it == 1) printk("Yes\n");
+ if(*have_it == 0)
+ printk("No\n");
+ else if(*have_it == 1)
+ printk("Yes\n");
os_close_file(fd);
return 1;
}
@@ -166,12 +170,13 @@ int arch_handle_signal(int sig, union uml_pt_regs *regs)
/* This is testing for a cmov (0x0f 0x4x) instruction causing a
* SIGILL in init.
*/
- if((sig != SIGILL) || (TASK_PID(get_current()) != 1)) return(0);
+ if((sig != SIGILL) || (TASK_PID(get_current()) != 1))
+ return 0;
if (copy_from_user_proc(tmp, (void *) UPT_IP(regs), 2))
panic("SIGILL in init, could not read instructions!\n");
if((tmp[0] != 0x0f) || ((tmp[1] & 0xf0) != 0x40))
- return(0);
+ return 0;
if(host_has_cmov == 0)
panic("SIGILL caused by cmov, which this processor doesn't "
@@ -185,16 +190,5 @@ int arch_handle_signal(int sig, union uml_pt_regs *regs)
"implements it, boot a filesystem compiled for older "
"processors");
else panic("Bad value for host_has_cmov (%d)", host_has_cmov);
- return(0);
+ return 0;
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/sys-x86_64/bugs.c b/arch/um/sys-x86_64/bugs.c
index 73ca62312fd..9fa5392e312 100644
--- a/arch/um/sys-x86_64/bugs.c
+++ b/arch/um/sys-x86_64/bugs.c
@@ -21,7 +21,7 @@ void arch_check_bugs(void)
int arch_handle_signal(int sig, union uml_pt_regs *regs)
{
- return(0);
+ return 0;
}
#define MAXTOKEN 64
@@ -41,21 +41,21 @@ static char token(int fd, char *buf, int len, char stop)
n = os_read_file(fd, ptr, sizeof(*ptr));
c = *ptr++;
if(n != sizeof(*ptr)){
- if(n == 0) return(0);
+ if(n == 0)
+ return 0;
printk("Reading /proc/cpuinfo failed, err = %d\n", -n);
if(n < 0)
- return(n);
- else
- return(-EIO);
+ return n;
+ else return -EIO;
}
} while((c != '\n') && (c != stop) && (ptr < end));
if(ptr == end){
printk("Failed to find '%c' in /proc/cpuinfo\n", stop);
- return(-1);
+ return -1;
}
*(ptr - 1) = '\0';
- return(c);
+ return c;
}
static int find_cpuinfo_line(int fd, char *key, char *scratch, int len)
@@ -67,33 +67,23 @@ static int find_cpuinfo_line(int fd, char *key, char *scratch, int len)
while(1){
c = token(fd, scratch, len - 1, ':');
if(c <= 0)
- return(0);
+ return 0;
else if(c != ':'){
printk("Failed to find ':' in /proc/cpuinfo\n");
- return(0);
+ return 0;
}
if(!strncmp(scratch, key, strlen(key)))
- return(1);
+ return 1;
do {
n = os_read_file(fd, &c, sizeof(c));
if(n != sizeof(c)){
printk("Failed to find newline in "
"/proc/cpuinfo, err = %d\n", -n);
- return(0);
+ return 0;
}
} while(c != '\n');
}
- return(0);
+ return 0;
}
-
-/* Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 17:05:42 +0000