提交 ae2587e4 编写于 作者: J Jeff Dike 提交者: Linus Torvalds

uml: style fixes pass 2

Formatting changes in the files which have been changed in the course
of removing CHOOSE_MODE.  These include:
	copyright updates
	header file trimming
	style fixes
	adding severity to printks

These changes should be entirely non-functional.
Signed-off-by: NJeff Dike <jdike@linux.intel.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 6aa802ce
/* /*
* Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org)
* Copyright (C) 2001 - 2003 Jeff Dike (jdike@addtoit.com) * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
#include "linux/kernel.h" #include "linux/console.h"
#include "linux/slab.h"
#include "linux/init.h"
#include "linux/notifier.h"
#include "linux/reboot.h"
#include "linux/utsname.h"
#include "linux/ctype.h" #include "linux/ctype.h"
#include "linux/interrupt.h" #include "linux/interrupt.h"
#include "linux/sysrq.h" #include "linux/list.h"
#include "linux/workqueue.h" #include "linux/mm.h"
#include "linux/module.h" #include "linux/module.h"
#include "linux/file.h" #include "linux/notifier.h"
#include "linux/fs.h" #include "linux/reboot.h"
#include "linux/namei.h"
#include "linux/proc_fs.h" #include "linux/proc_fs.h"
#include "linux/slab.h"
#include "linux/syscalls.h" #include "linux/syscalls.h"
#include "linux/list.h" #include "linux/utsname.h"
#include "linux/mm.h" #include "linux/workqueue.h"
#include "linux/console.h"
#include "asm/irq.h"
#include "asm/uaccess.h" #include "asm/uaccess.h"
#include "init.h"
#include "irq_kern.h"
#include "irq_user.h"
#include "kern_util.h" #include "kern_util.h"
#include "kern.h"
#include "mconsole.h" #include "mconsole.h"
#include "mconsole_kern.h" #include "mconsole_kern.h"
#include "irq_user.h"
#include "init.h"
#include "os.h" #include "os.h"
#include "irq_kern.h"
static int do_unlink_socket(struct notifier_block *notifier, static int do_unlink_socket(struct notifier_block *notifier,
unsigned long what, void *data) unsigned long what, void *data)
{ {
return(mconsole_unlink_socket()); return mconsole_unlink_socket();
} }
...@@ -58,10 +50,9 @@ static void mc_work_proc(struct work_struct *unused) ...@@ -58,10 +50,9 @@ static void mc_work_proc(struct work_struct *unused)
struct mconsole_entry *req; struct mconsole_entry *req;
unsigned long flags; unsigned long flags;
while(!list_empty(&mc_requests)){ while (!list_empty(&mc_requests)) {
local_irq_save(flags); local_irq_save(flags);
req = list_entry(mc_requests.next, struct mconsole_entry, req = list_entry(mc_requests.next, struct mconsole_entry, list);
list);
list_del(&req->list); list_del(&req->list);
local_irq_restore(flags); local_irq_restore(flags);
req->request.cmd->handler(&req->request); req->request.cmd->handler(&req->request);
...@@ -79,12 +70,12 @@ static irqreturn_t mconsole_interrupt(int irq, void *dev_id) ...@@ -79,12 +70,12 @@ static irqreturn_t mconsole_interrupt(int irq, void *dev_id)
static struct mc_request req; /* that's OK */ static struct mc_request req; /* that's OK */
fd = (long) dev_id; fd = (long) dev_id;
while (mconsole_get_request(fd, &req)){ while (mconsole_get_request(fd, &req)) {
if(req.cmd->context == MCONSOLE_INTR) if (req.cmd->context == MCONSOLE_INTR)
(*req.cmd->handler)(&req); (*req.cmd->handler)(&req);
else { else {
new = kmalloc(sizeof(*new), GFP_NOWAIT); new = kmalloc(sizeof(*new), GFP_NOWAIT);
if(new == NULL) if (new == NULL)
mconsole_reply(&req, "Out of memory", 1, 0); mconsole_reply(&req, "Out of memory", 1, 0);
else { else {
new->request = req; new->request = req;
...@@ -93,10 +84,10 @@ static irqreturn_t mconsole_interrupt(int irq, void *dev_id) ...@@ -93,10 +84,10 @@ static irqreturn_t mconsole_interrupt(int irq, void *dev_id)
} }
} }
} }
if(!list_empty(&mc_requests)) if (!list_empty(&mc_requests))
schedule_work(&mconsole_work); schedule_work(&mconsole_work);
reactivate_fd(fd, MCONSOLE_IRQ); reactivate_fd(fd, MCONSOLE_IRQ);
return(IRQ_HANDLED); return IRQ_HANDLED;
} }
void mconsole_version(struct mc_request *req) void mconsole_version(struct mc_request *req)
...@@ -104,8 +95,8 @@ void mconsole_version(struct mc_request *req) ...@@ -104,8 +95,8 @@ void mconsole_version(struct mc_request *req)
char version[256]; char version[256];
sprintf(version, "%s %s %s %s %s", utsname()->sysname, sprintf(version, "%s %s %s %s %s", utsname()->sysname,
utsname()->nodename, utsname()->release, utsname()->nodename, utsname()->release, utsname()->version,
utsname()->version, utsname()->machine); utsname()->machine);
mconsole_reply(req, version, 0, 0); mconsole_reply(req, version, 0, 0);
} }
...@@ -117,7 +108,7 @@ void mconsole_log(struct mc_request *req) ...@@ -117,7 +108,7 @@ void mconsole_log(struct mc_request *req)
ptr += strlen("log "); ptr += strlen("log ");
len = req->len - (ptr - req->request.data); len = req->len - (ptr - req->request.data);
printk("%.*s", len, ptr); printk(KERN_WARNING "%.*s", len, ptr);
mconsole_reply(req, "", 0, 0); mconsole_reply(req, "", 0, 0);
} }
...@@ -136,17 +127,17 @@ void mconsole_proc(struct mc_request *req) ...@@ -136,17 +127,17 @@ void mconsole_proc(struct mc_request *req)
char *ptr = req->request.data, *buf; char *ptr = req->request.data, *buf;
ptr += strlen("proc"); ptr += strlen("proc");
while(isspace(*ptr)) ptr++; while (isspace(*ptr)) ptr++;
proc = get_fs_type("proc"); proc = get_fs_type("proc");
if(proc == NULL){ if (proc == NULL) {
mconsole_reply(req, "procfs not registered", 1, 0); mconsole_reply(req, "procfs not registered", 1, 0);
goto out; goto out;
} }
super = (*proc->get_sb)(proc, 0, NULL, NULL); super = (*proc->get_sb)(proc, 0, NULL, NULL);
put_filesystem(proc); put_filesystem(proc);
if(super == NULL){ if (super == NULL) {
mconsole_reply(req, "Failed to get procfs superblock", 1, 0); mconsole_reply(req, "Failed to get procfs superblock", 1, 0);
goto out; goto out;
} }
...@@ -161,29 +152,29 @@ void mconsole_proc(struct mc_request *req) ...@@ -161,29 +152,29 @@ void mconsole_proc(struct mc_request *req)
* if commenting out these two calls + the below read cycle. To * if commenting out these two calls + the below read cycle. To
* make UML crash again, it was enough to readd either one.*/ * make UML crash again, it was enough to readd either one.*/
err = link_path_walk(ptr, &nd); err = link_path_walk(ptr, &nd);
if(err){ if (err) {
mconsole_reply(req, "Failed to look up file", 1, 0); mconsole_reply(req, "Failed to look up file", 1, 0);
goto out_kill; goto out_kill;
} }
file = dentry_open(nd.dentry, nd.mnt, O_RDONLY); file = dentry_open(nd.dentry, nd.mnt, O_RDONLY);
if(IS_ERR(file)){ if (IS_ERR(file)) {
mconsole_reply(req, "Failed to open file", 1, 0); mconsole_reply(req, "Failed to open file", 1, 0);
goto out_kill; goto out_kill;
} }
/*END*/ /*END*/
buf = kmalloc(PAGE_SIZE, GFP_KERNEL); buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
if(buf == NULL){ if (buf == NULL) {
mconsole_reply(req, "Failed to allocate buffer", 1, 0); mconsole_reply(req, "Failed to allocate buffer", 1, 0);
goto out_fput; goto out_fput;
} }
if((file->f_op != NULL) && (file->f_op->read != NULL)){ if ((file->f_op != NULL) && (file->f_op->read != NULL)) {
do { do {
n = (*file->f_op->read)(file, buf, PAGE_SIZE - 1, n = (*file->f_op->read)(file, buf, PAGE_SIZE - 1,
&file->f_pos); &file->f_pos);
if(n >= 0){ if (n >= 0) {
buf[n] = '\0'; buf[n] = '\0';
mconsole_reply(req, buf, 0, (n > 0)); mconsole_reply(req, buf, 0, (n > 0));
} }
...@@ -192,7 +183,7 @@ void mconsole_proc(struct mc_request *req) ...@@ -192,7 +183,7 @@ void mconsole_proc(struct mc_request *req)
1, 0); 1, 0);
goto out_free; goto out_free;
} }
} while(n > 0); } while (n > 0);
} }
else mconsole_reply(req, "", 0, 0); else mconsole_reply(req, "", 0, 0);
...@@ -216,18 +207,19 @@ void mconsole_proc(struct mc_request *req) ...@@ -216,18 +207,19 @@ void mconsole_proc(struct mc_request *req)
char *ptr = req->request.data; char *ptr = req->request.data;
ptr += strlen("proc"); ptr += strlen("proc");
while(isspace(*ptr)) ptr++; while (isspace(*ptr))
ptr++;
snprintf(path, sizeof(path), "/proc/%s", ptr); snprintf(path, sizeof(path), "/proc/%s", ptr);
fd = sys_open(path, 0, 0); fd = sys_open(path, 0, 0);
if (fd < 0) { if (fd < 0) {
mconsole_reply(req, "Failed to open file", 1, 0); mconsole_reply(req, "Failed to open file", 1, 0);
printk("open %s: %d\n",path,fd); printk(KERN_ERR "open %s: %d\n",path,fd);
goto out; goto out;
} }
buf = kmalloc(PAGE_SIZE, GFP_KERNEL); buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
if(buf == NULL){ if (buf == NULL) {
mconsole_reply(req, "Failed to allocate buffer", 1, 0); mconsole_reply(req, "Failed to allocate buffer", 1, 0);
goto out_close; goto out_close;
} }
...@@ -238,7 +230,7 @@ void mconsole_proc(struct mc_request *req) ...@@ -238,7 +230,7 @@ void mconsole_proc(struct mc_request *req)
mconsole_reply(req, "Read of file failed", 1, 0); mconsole_reply(req, "Read of file failed", 1, 0);
goto out_free; goto out_free;
} }
/*Begin the file content on his own line.*/ /* Begin the file content on his own line. */
if (first_chunk) { if (first_chunk) {
mconsole_reply(req, "\n", 0, 1); mconsole_reply(req, "\n", 0, 1);
first_chunk = 0; first_chunk = 0;
...@@ -350,12 +342,12 @@ static struct mc_device *mconsole_find_dev(char *name) ...@@ -350,12 +342,12 @@ static struct mc_device *mconsole_find_dev(char *name)
struct list_head *ele; struct list_head *ele;
struct mc_device *dev; struct mc_device *dev;
list_for_each(ele, &mconsole_devices){ list_for_each(ele, &mconsole_devices) {
dev = list_entry(ele, struct mc_device, list); dev = list_entry(ele, struct mc_device, list);
if(!strncmp(name, dev->name, strlen(dev->name))) if (!strncmp(name, dev->name, strlen(dev->name)))
return(dev); return dev;
} }
return(NULL); return NULL;
} }
#define UNPLUGGED_PER_PAGE \ #define UNPLUGGED_PER_PAGE \
...@@ -377,15 +369,15 @@ static int mem_config(char *str, char **error_out) ...@@ -377,15 +369,15 @@ static int mem_config(char *str, char **error_out)
int err = -EINVAL, i, add; int err = -EINVAL, i, add;
char *ret; char *ret;
if(str[0] != '='){ if (str[0] != '=') {
*error_out = "Expected '=' after 'mem'"; *error_out = "Expected '=' after 'mem'";
goto out; goto out;
} }
str++; str++;
if(str[0] == '-') if (str[0] == '-')
add = 0; add = 0;
else if(str[0] == '+'){ else if (str[0] == '+') {
add = 1; add = 1;
} }
else { else {
...@@ -395,7 +387,7 @@ static int mem_config(char *str, char **error_out) ...@@ -395,7 +387,7 @@ static int mem_config(char *str, char **error_out)
str++; str++;
diff = memparse(str, &ret); diff = memparse(str, &ret);
if(*ret != '\0'){ if (*ret != '\0') {
*error_out = "Failed to parse memory increment"; *error_out = "Failed to parse memory increment";
goto out; goto out;
} }
...@@ -403,17 +395,17 @@ static int mem_config(char *str, char **error_out) ...@@ -403,17 +395,17 @@ static int mem_config(char *str, char **error_out)
diff /= PAGE_SIZE; diff /= PAGE_SIZE;
down(&plug_mem_mutex); down(&plug_mem_mutex);
for(i = 0; i < diff; i++){ for (i = 0; i < diff; i++) {
struct unplugged_pages *unplugged; struct unplugged_pages *unplugged;
void *addr; void *addr;
if(add){ if (add) {
if(list_empty(&unplugged_pages)) if (list_empty(&unplugged_pages))
break; break;
unplugged = list_entry(unplugged_pages.next, unplugged = list_entry(unplugged_pages.next,
struct unplugged_pages, list); struct unplugged_pages, list);
if(unplug_index > 0) if (unplug_index > 0)
addr = unplugged->pages[--unplug_index]; addr = unplugged->pages[--unplug_index];
else { else {
list_del(&unplugged->list); list_del(&unplugged->list);
...@@ -428,11 +420,11 @@ static int mem_config(char *str, char **error_out) ...@@ -428,11 +420,11 @@ static int mem_config(char *str, char **error_out)
struct page *page; struct page *page;
page = alloc_page(GFP_ATOMIC); page = alloc_page(GFP_ATOMIC);
if(page == NULL) if (page == NULL)
break; break;
unplugged = page_address(page); unplugged = page_address(page);
if(unplug_index == UNPLUGGED_PER_PAGE){ if (unplug_index == UNPLUGGED_PER_PAGE) {
list_add(&unplugged->list, &unplugged_pages); list_add(&unplugged->list, &unplugged_pages);
unplug_index = 0; unplug_index = 0;
} }
...@@ -444,9 +436,9 @@ static int mem_config(char *str, char **error_out) ...@@ -444,9 +436,9 @@ static int mem_config(char *str, char **error_out)
struct unplugged_pages, struct unplugged_pages,
list); list);
err = os_drop_memory(addr, PAGE_SIZE); err = os_drop_memory(addr, PAGE_SIZE);
if(err){ if (err) {
printk("Failed to release memory - " printk(KERN_ERR "Failed to release "
"errno = %d\n", err); "memory - errno = %d\n", err);
*error_out = "Failed to release memory"; *error_out = "Failed to release memory";
goto out_unlock; goto out_unlock;
} }
...@@ -500,10 +492,10 @@ static struct mc_device mem_mc = { ...@@ -500,10 +492,10 @@ static struct mc_device mem_mc = {
static int __init mem_mc_init(void) static int __init mem_mc_init(void)
{ {
if(can_drop_memory()) if (can_drop_memory())
mconsole_register_dev(&mem_mc); mconsole_register_dev(&mem_mc);
else printk("Can't release memory to the host - memory hotplug won't " else printk(KERN_ERR "Can't release memory to the host - memory "
"be supported\n"); "hotplug won't be supported\n");
return 0; return 0;
} }
...@@ -518,7 +510,7 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int, ...@@ -518,7 +510,7 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int,
char default_buf[CONFIG_BUF_SIZE], *error, *buf; char default_buf[CONFIG_BUF_SIZE], *error, *buf;
int n, size; int n, size;
if(get_config == NULL){ if (get_config == NULL) {
mconsole_reply(req, "No get_config routine defined", 1, 0); mconsole_reply(req, "No get_config routine defined", 1, 0);
return; return;
} }
...@@ -527,30 +519,30 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int, ...@@ -527,30 +519,30 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int,
size = ARRAY_SIZE(default_buf); size = ARRAY_SIZE(default_buf);
buf = default_buf; buf = default_buf;
while(1){ while (1) {
n = (*get_config)(name, buf, size, &error); n = (*get_config)(name, buf, size, &error);
if(error != NULL){ if (error != NULL) {
mconsole_reply(req, error, 1, 0); mconsole_reply(req, error, 1, 0);
goto out; goto out;
} }
if(n <= size){ if (n <= size) {
mconsole_reply(req, buf, 0, 0); mconsole_reply(req, buf, 0, 0);
goto out; goto out;
} }
if(buf != default_buf) if (buf != default_buf)
kfree(buf); kfree(buf);
size = n; size = n;
buf = kmalloc(size, GFP_KERNEL); buf = kmalloc(size, GFP_KERNEL);
if(buf == NULL){ if (buf == NULL) {
mconsole_reply(req, "Failed to allocate buffer", 1, 0); mconsole_reply(req, "Failed to allocate buffer", 1, 0);
return; return;
} }
} }
out: out:
if(buf != default_buf) if (buf != default_buf)
kfree(buf); kfree(buf);
} }
...@@ -561,19 +553,20 @@ void mconsole_config(struct mc_request *req) ...@@ -561,19 +553,20 @@ void mconsole_config(struct mc_request *req)
int err; int err;
ptr += strlen("config"); ptr += strlen("config");
while(isspace(*ptr)) ptr++; while (isspace(*ptr))
ptr++;
dev = mconsole_find_dev(ptr); dev = mconsole_find_dev(ptr);
if(dev == NULL){ if (dev == NULL) {
mconsole_reply(req, "Bad configuration option", 1, 0); mconsole_reply(req, "Bad configuration option", 1, 0);
return; return;
} }
name = &ptr[strlen(dev->name)]; name = &ptr[strlen(dev->name)];
ptr = name; ptr = name;
while((*ptr != '=') && (*ptr != '\0')) while ((*ptr != '=') && (*ptr != '\0'))
ptr++; ptr++;
if(*ptr == '='){ if (*ptr == '=') {
err = (*dev->config)(name, &error_string); err = (*dev->config)(name, &error_string);
mconsole_reply(req, error_string, err, 0); mconsole_reply(req, error_string, err, 0);
} }
...@@ -588,9 +581,9 @@ void mconsole_remove(struct mc_request *req) ...@@ -588,9 +581,9 @@ void mconsole_remove(struct mc_request *req)
int err, start, end, n; int err, start, end, n;
ptr += strlen("remove"); ptr += strlen("remove");
while(isspace(*ptr)) ptr++; while (isspace(*ptr)) ptr++;
dev = mconsole_find_dev(ptr); dev = mconsole_find_dev(ptr);
if(dev == NULL){ if (dev == NULL) {
mconsole_reply(req, "Bad remove option", 1, 0); mconsole_reply(req, "Bad remove option", 1, 0);
return; return;
} }
...@@ -599,11 +592,11 @@ void mconsole_remove(struct mc_request *req) ...@@ -599,11 +592,11 @@ void mconsole_remove(struct mc_request *req)
err = 1; err = 1;
n = (*dev->id)(&ptr, &start, &end); n = (*dev->id)(&ptr, &start, &end);
if(n < 0){ if (n < 0) {
err_msg = "Couldn't parse device number"; err_msg = "Couldn't parse device number";
goto out; goto out;
} }
else if((n < start) || (n > end)){ else if ((n < start) || (n > end)) {
sprintf(error, "Invalid device number - must be between " sprintf(error, "Invalid device number - must be between "
"%d and %d", start, end); "%d and %d", start, end);
err_msg = error; err_msg = error;
...@@ -612,16 +605,16 @@ void mconsole_remove(struct mc_request *req) ...@@ -612,16 +605,16 @@ void mconsole_remove(struct mc_request *req)
err_msg = NULL; err_msg = NULL;
err = (*dev->remove)(n, &err_msg); err = (*dev->remove)(n, &err_msg);
switch(err){ switch(err) {
case 0: case 0:
err_msg = ""; err_msg = "";
break; break;
case -ENODEV: case -ENODEV:
if(err_msg == NULL) if (err_msg == NULL)
err_msg = "Device doesn't exist"; err_msg = "Device doesn't exist";
break; break;
case -EBUSY: case -EBUSY:
if(err_msg == NULL) if (err_msg == NULL)
err_msg = "Device is currently open"; err_msg = "Device is currently open";
break; break;
default: default:
...@@ -647,19 +640,19 @@ static void console_write(struct console *console, const char *string, ...@@ -647,19 +640,19 @@ static void console_write(struct console *console, const char *string,
struct list_head *ele; struct list_head *ele;
int n; int n;
if(list_empty(&clients)) if (list_empty(&clients))
return; return;
while(1){ while (1) {
n = min((size_t) len, ARRAY_SIZE(console_buf) - console_index); n = min((size_t) len, ARRAY_SIZE(console_buf) - console_index);
strncpy(&console_buf[console_index], string, n); strncpy(&console_buf[console_index], string, n);
console_index += n; console_index += n;
string += n; string += n;
len -= n; len -= n;
if(len == 0) if (len == 0)
return; return;
list_for_each(ele, &clients){ list_for_each(ele, &clients) {
struct mconsole_output *entry; struct mconsole_output *entry;
entry = list_entry(ele, struct mconsole_output, list); entry = list_entry(ele, struct mconsole_output, list);
...@@ -717,12 +710,13 @@ void mconsole_sysrq(struct mc_request *req) ...@@ -717,12 +710,13 @@ void mconsole_sysrq(struct mc_request *req)
char *ptr = req->request.data; char *ptr = req->request.data;
ptr += strlen("sysrq"); ptr += strlen("sysrq");
while(isspace(*ptr)) ptr++; while (isspace(*ptr)) ptr++;
/* With 'b', the system will shut down without a chance to reply, /*
* With 'b', the system will shut down without a chance to reply,
* so in this case, we reply first. * so in this case, we reply first.
*/ */
if(*ptr == 'b') if (*ptr == 'b')
mconsole_reply(req, "", 0, 0); mconsole_reply(req, "", 0, 0);
with_console(req, sysrq_proc, ptr); with_console(req, sysrq_proc, ptr);
...@@ -742,7 +736,8 @@ static void stack_proc(void *arg) ...@@ -742,7 +736,8 @@ static void stack_proc(void *arg)
switch_to(from, to, from); switch_to(from, to, from);
} }
/* Mconsole stack trace /*
* Mconsole stack trace
* Added by Allan Graves, Jeff Dike * Added by Allan Graves, Jeff Dike
* Dumps a stacks registers to the linux console. * Dumps a stacks registers to the linux console.
* Usage stack <pid>. * Usage stack <pid>.
...@@ -754,17 +749,21 @@ void mconsole_stack(struct mc_request *req) ...@@ -754,17 +749,21 @@ void mconsole_stack(struct mc_request *req)
struct task_struct *from = NULL; struct task_struct *from = NULL;
struct task_struct *to = NULL; struct task_struct *to = NULL;
/* Would be nice: /*
* Would be nice:
* 1) Send showregs output to mconsole. * 1) Send showregs output to mconsole.
* 2) Add a way to stack dump all pids. * 2) Add a way to stack dump all pids.
*/ */
ptr += strlen("stack"); ptr += strlen("stack");
while(isspace(*ptr)) ptr++; while (isspace(*ptr))
ptr++;
/* Should really check for multiple pids or reject bad args here */ /*
* Should really check for multiple pids or reject bad args here
*/
/* What do the arguments in mconsole_reply mean? */ /* What do the arguments in mconsole_reply mean? */
if(sscanf(ptr, "%d", &pid_requested) == 0){ if (sscanf(ptr, "%d", &pid_requested) == 0) {
mconsole_reply(req, "Please specify a pid", 1, 0); mconsole_reply(req, "Please specify a pid", 1, 0);
return; return;
} }
...@@ -772,14 +771,15 @@ void mconsole_stack(struct mc_request *req) ...@@ -772,14 +771,15 @@ void mconsole_stack(struct mc_request *req)
from = current; from = current;
to = find_task_by_pid(pid_requested); to = find_task_by_pid(pid_requested);
if((to == NULL) || (pid_requested == 0)) { if ((to == NULL) || (pid_requested == 0)) {
mconsole_reply(req, "Couldn't find that pid", 1, 0); mconsole_reply(req, "Couldn't find that pid", 1, 0);
return; return;
} }
with_console(req, stack_proc, to); with_console(req, stack_proc, to);
} }
/* Changed by mconsole_setup, which is __setup, and called before SMP is /*
* Changed by mconsole_setup, which is __setup, and called before SMP is
* active. * active.
*/ */
static char *notify_socket = NULL; static char *notify_socket = NULL;
...@@ -791,13 +791,14 @@ static int __init mconsole_init(void) ...@@ -791,13 +791,14 @@ static int __init mconsole_init(void)
int err; int err;
char file[256]; char file[256];
if(umid_file_name("mconsole", file, sizeof(file))) return(-1); if (umid_file_name("mconsole", file, sizeof(file)))
return -1;
snprintf(mconsole_socket_name, sizeof(file), "%s", file); snprintf(mconsole_socket_name, sizeof(file), "%s", file);
sock = os_create_unix_socket(file, sizeof(file), 1); sock = os_create_unix_socket(file, sizeof(file), 1);
if (sock < 0){ if (sock < 0) {
printk("Failed to initialize management console\n"); printk(KERN_ERR "Failed to initialize management console\n");
return(1); return 1;
} }
register_reboot_notifier(&reboot_notifier); register_reboot_notifier(&reboot_notifier);
...@@ -805,14 +806,14 @@ static int __init mconsole_init(void) ...@@ -805,14 +806,14 @@ static int __init mconsole_init(void)
err = um_request_irq(MCONSOLE_IRQ, sock, IRQ_READ, mconsole_interrupt, err = um_request_irq(MCONSOLE_IRQ, sock, IRQ_READ, mconsole_interrupt,
IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
"mconsole", (void *)sock); "mconsole", (void *)sock);
if (err){ if (err) {
printk("Failed to get IRQ for management console\n"); printk(KERN_ERR "Failed to get IRQ for management console\n");
return(1); return 1;
} }
if(notify_socket != NULL){ if (notify_socket != NULL) {
notify_socket = kstrdup(notify_socket, GFP_KERNEL); notify_socket = kstrdup(notify_socket, GFP_KERNEL);
if(notify_socket != NULL) if (notify_socket != NULL)
mconsole_notify(notify_socket, MCONSOLE_SOCKET, mconsole_notify(notify_socket, MCONSOLE_SOCKET,
mconsole_socket_name, mconsole_socket_name,
strlen(mconsole_socket_name) + 1); strlen(mconsole_socket_name) + 1);
...@@ -820,9 +821,9 @@ static int __init mconsole_init(void) ...@@ -820,9 +821,9 @@ static int __init mconsole_init(void)
"string\n"); "string\n");
} }
printk("mconsole (version %d) initialized on %s\n", printk(KERN_INFO "mconsole (version %d) initialized on %s\n",
MCONSOLE_VERSION, mconsole_socket_name); MCONSOLE_VERSION, mconsole_socket_name);
return(0); return 0;
} }
__initcall(mconsole_init); __initcall(mconsole_init);
...@@ -833,10 +834,10 @@ static int write_proc_mconsole(struct file *file, const char __user *buffer, ...@@ -833,10 +834,10 @@ static int write_proc_mconsole(struct file *file, const char __user *buffer,
char *buf; char *buf;
buf = kmalloc(count + 1, GFP_KERNEL); buf = kmalloc(count + 1, GFP_KERNEL);
if(buf == NULL) if (buf == NULL)
return(-ENOMEM); return -ENOMEM;
if(copy_from_user(buf, buffer, count)){ if (copy_from_user(buf, buffer, count)) {
count = -EFAULT; count = -EFAULT;
goto out; goto out;
} }
...@@ -846,24 +847,26 @@ static int write_proc_mconsole(struct file *file, const char __user *buffer, ...@@ -846,24 +847,26 @@ static int write_proc_mconsole(struct file *file, const char __user *buffer,
mconsole_notify(notify_socket, MCONSOLE_USER_NOTIFY, buf, count); mconsole_notify(notify_socket, MCONSOLE_USER_NOTIFY, buf, count);
out: out:
kfree(buf); kfree(buf);
return(count); return count;
} }
static int create_proc_mconsole(void) static int create_proc_mconsole(void)
{ {
struct proc_dir_entry *ent; struct proc_dir_entry *ent;
if(notify_socket == NULL) return(0); if (notify_socket == NULL)
return 0;
ent = create_proc_entry("mconsole", S_IFREG | 0200, NULL); ent = create_proc_entry("mconsole", S_IFREG | 0200, NULL);
if(ent == NULL){ if (ent == NULL) {
printk(KERN_INFO "create_proc_mconsole : create_proc_entry failed\n"); printk(KERN_INFO "create_proc_mconsole : create_proc_entry "
return(0); "failed\n");
return 0;
} }
ent->read_proc = NULL; ent->read_proc = NULL;
ent->write_proc = write_proc_mconsole; ent->write_proc = write_proc_mconsole;
return(0); return 0;
} }
static DEFINE_SPINLOCK(notify_spinlock); static DEFINE_SPINLOCK(notify_spinlock);
...@@ -884,12 +887,12 @@ __initcall(create_proc_mconsole); ...@@ -884,12 +887,12 @@ __initcall(create_proc_mconsole);
static int mconsole_setup(char *str) static int mconsole_setup(char *str)
{ {
if(!strncmp(str, NOTIFY, strlen(NOTIFY))){ if (!strncmp(str, NOTIFY, strlen(NOTIFY))) {
str += strlen(NOTIFY); str += strlen(NOTIFY);
notify_socket = str; notify_socket = str;
} }
else printk(KERN_ERR "mconsole_setup : Unknown option - '%s'\n", str); else printk(KERN_ERR "mconsole_setup : Unknown option - '%s'\n", str);
return(1); return 1;
} }
__setup("mconsole", mconsole_setup); __setup("mconsole", mconsole_setup);
...@@ -907,11 +910,12 @@ static int notify_panic(struct notifier_block *self, unsigned long unused1, ...@@ -907,11 +910,12 @@ static int notify_panic(struct notifier_block *self, unsigned long unused1,
{ {
char *message = ptr; char *message = ptr;
if(notify_socket == NULL) return(0); if (notify_socket == NULL)
return 0;
mconsole_notify(notify_socket, MCONSOLE_PANIC, message, mconsole_notify(notify_socket, MCONSOLE_PANIC, message,
strlen(message) + 1); strlen(message) + 1);
return(0); return 0;
} }
static struct notifier_block panic_exit_notifier = { static struct notifier_block panic_exit_notifier = {
...@@ -924,14 +928,14 @@ static int add_notifier(void) ...@@ -924,14 +928,14 @@ static int add_notifier(void)
{ {
atomic_notifier_chain_register(&panic_notifier_list, atomic_notifier_chain_register(&panic_notifier_list,
&panic_exit_notifier); &panic_exit_notifier);
return(0); return 0;
} }
__initcall(add_notifier); __initcall(add_notifier);
char *mconsole_notify_socket(void) char *mconsole_notify_socket(void)
{ {
return(notify_socket); return notify_socket;
} }
EXPORT_SYMBOL(mconsole_notify_socket); EXPORT_SYMBOL(mconsole_notify_socket);
/* /*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com) * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
......
/* /*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com) * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
...@@ -10,7 +10,7 @@ ...@@ -10,7 +10,7 @@
#define __under_task_size(addr, size) \ #define __under_task_size(addr, size) \
(((unsigned long) (addr) < TASK_SIZE) && \ (((unsigned long) (addr) < TASK_SIZE) && \
(((unsigned long) (addr) + (size)) < TASK_SIZE)) (((unsigned long) (addr) + (size)) < TASK_SIZE))
#define __access_ok_vsyscall(type, addr, size) \ #define __access_ok_vsyscall(type, addr, size) \
((type == VERIFY_READ) && \ ((type == VERIFY_READ) && \
...@@ -90,14 +90,3 @@ extern int clear_user(void __user *mem, int len); ...@@ -90,14 +90,3 @@ extern int clear_user(void __user *mem, int len);
extern int strnlen_user(const void __user *str, int len); extern int strnlen_user(const void __user *str, int len);
#endif #endif
/*
* 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:
*/
/* /*
* Copyright (C) 2001 - 2004 Jeff Dike (jdike@addtoit.com) * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
#include "linux/module.h" #include "linux/module.h"
#include "linux/string.h" #include "linux/syscalls.h"
#include "linux/smp_lock.h" #include "asm/a.out.h"
#include "linux/spinlock.h"
#include "linux/highmem.h"
#include "asm/current.h"
#include "asm/processor.h"
#include "asm/unistd.h"
#include "asm/pgalloc.h"
#include "asm/pgtable.h"
#include "asm/page.h"
#include "asm/tlbflush.h" #include "asm/tlbflush.h"
#include "kern_util.h" #include "asm/uaccess.h"
#include "as-layout.h" #include "as-layout.h"
#include "kern_util.h"
#include "mem_user.h" #include "mem_user.h"
#include "os.h" #include "os.h"
......
/*
* Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#ifndef __UM_A_OUT_H #ifndef __UM_A_OUT_H
#define __UM_A_OUT_H #define __UM_A_OUT_H
......
/* /*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com) * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
...@@ -30,7 +30,9 @@ extern void flush_tlb_page_skas(struct vm_area_struct *vma, ...@@ -30,7 +30,9 @@ extern void flush_tlb_page_skas(struct vm_area_struct *vma,
static inline void flush_tlb_page(struct vm_area_struct *vma, static inline void flush_tlb_page(struct vm_area_struct *vma,
unsigned long address) unsigned long address)
{ {
flush_tlb_page_skas(vma, address & PAGE_MASK); address &= PAGE_MASK;
flush_tlb_page_skas(vma, address);
} }
extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
......
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