Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

8 files changed, 44 insertions, 47 deletions

diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c
index 9bf944f6a1db..b126df4ea168 100644
--- a/arch/um/os-Linux/aio.c
+++ b/arch/um/os-Linux/aio.c
@@ -177,6 +177,7 @@ static int do_not_aio(struct aio_thread_req *req)
 static int aio_req_fd_r = -1;
 static int aio_req_fd_w = -1;
 static int aio_pid = -1;
+static unsigned long aio_stack;
 
 static int not_aio_thread(void *arg)
 {
@@ -212,7 +213,6 @@ static int not_aio_thread(void *arg)
 
 static int init_aio_24(void)
 {
-	unsigned long stack;
 	int fds[2], err;
 
 	err = os_pipe(fds, 1, 1);
@@ -227,7 +227,7 @@ static int init_aio_24(void)
 		goto out_close_pipe;
 
 	err = run_helper_thread(not_aio_thread, NULL,
-				CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0);
+				CLONE_FILES | CLONE_VM | SIGCHLD, &aio_stack);
 	if(err < 0)
 		goto out_close_pipe;
 
@@ -252,7 +252,6 @@ out:
 #define DEFAULT_24_AIO 0
 static int init_aio_26(void)
 {
-	unsigned long stack;
 	int err;
 
 	if(io_setup(256, &ctx)){
@@ -263,7 +262,7 @@ static int init_aio_26(void)
 	}
 
 	err = run_helper_thread(aio_thread, NULL,
-				CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0);
+				CLONE_FILES | CLONE_VM | SIGCHLD, &aio_stack);
 	if(err < 0)
 		return err;
 
@@ -365,8 +364,10 @@ __initcall(init_aio);
 
 static void exit_aio(void)
 {
-	if(aio_pid != -1)
+	if (aio_pid != -1) {
 		os_kill_process(aio_pid, 1);
+		free_stack(aio_stack, 0);
+	}
 }
 
 __uml_exitcall(exit_aio);
diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c
index acba30161287..61d3953c7ac9 100644
--- a/arch/um/os-Linux/drivers/ethertap_user.c
+++ b/arch/um/os-Linux/drivers/ethertap_user.c
@@ -54,7 +54,7 @@ static void etap_change(int op, unsigned char *addr, unsigned char *netmask,
 		return;
 	}
 
-	output = um_kmalloc(UM_KERN_PAGE_SIZE);
+	output = kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
 	if(output == NULL)
 		printk("etap_change : Failed to allocate output buffer\n");
 	read_output(fd, output, UM_KERN_PAGE_SIZE);
@@ -117,7 +117,7 @@ static int etap_tramp(char *dev, char *gate, int control_me,
 	pe_data.control_remote = control_remote;
 	pe_data.control_me = control_me;
 	pe_data.data_me = data_me;
-	pid = run_helper(etap_pre_exec, &pe_data, args, NULL);
+	pid = run_helper(etap_pre_exec, &pe_data, args);
 
 	if(pid < 0)
 		err = pid;
@@ -166,7 +166,7 @@ static int etap_open(void *data)
 	err = etap_tramp(pri->dev_name, pri->gate_addr, control_fds[0], 
 			 control_fds[1], data_fds[0], data_fds[1]);
 	output_len = UM_KERN_PAGE_SIZE;
-	output = um_kmalloc(output_len);
+	output = kmalloc(output_len, UM_GFP_KERNEL);
 	read_output(control_fds[0], output, output_len);
 
 	if(output == NULL)
diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c
index 11a9779dc9f1..f848b4ea9343 100644
--- a/arch/um/os-Linux/drivers/tuntap_user.c
+++ b/arch/um/os-Linux/drivers/tuntap_user.c
@@ -83,7 +83,7 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote,
 	data.stdout = remote;
 	data.close_me = me;
 
-	pid = run_helper(tuntap_pre_exec, &data, argv, NULL);
+	pid = run_helper(tuntap_pre_exec, &data, argv);
 
 	if(pid < 0)
 		return -pid;
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index 97bed16bf4c7..d81af7b8587a 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -44,17 +44,13 @@ static int helper_child(void *arg)
 /* Returns either the pid of the child process we run or -E* on failure.
  * XXX The alloc_stack here breaks if this is called in the tracing thread, so
  * we need to receive a preallocated stack (a local buffer is ok). */
-int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv,
-	       unsigned long *stack_out)
+int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv)
 {
 	struct helper_data data;
 	unsigned long stack, sp;
 	int pid, fds[2], ret, n;
 
-	if ((stack_out != NULL) && (*stack_out != 0))
-		stack = *stack_out;
-	else
-		stack = alloc_stack(0, __cant_sleep());
+	stack = alloc_stack(0, __cant_sleep());
 	if (stack == 0)
 		return -ENOMEM;
 
@@ -76,8 +72,8 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv,
 	data.pre_data = pre_data;
 	data.argv = argv;
 	data.fd = fds[1];
-	data.buf = __cant_sleep() ? um_kmalloc_atomic(PATH_MAX) :
-					um_kmalloc(PATH_MAX);
+	data.buf = __cant_sleep() ? kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
+					kmalloc(PATH_MAX, UM_GFP_KERNEL);
 	pid = clone(helper_child, (void *) sp, CLONE_VM | SIGCHLD, &data);
 	if (pid < 0) {
 		ret = -errno;
@@ -113,22 +109,21 @@ out_close:
 		close(fds[1]);
 	close(fds[0]);
 out_free:
-	if ((stack_out == NULL) || (*stack_out == 0))
-		free_stack(stack, 0);
+	free_stack(stack, 0);
 	return ret;
 }
 
 int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags,
-		      unsigned long *stack_out, int stack_order)
+		      unsigned long *stack_out)
 {
 	unsigned long stack, sp;
 	int pid, status, err;
 
-	stack = alloc_stack(stack_order, __cant_sleep());
+	stack = alloc_stack(0, __cant_sleep());
 	if (stack == 0)
 		return -ENOMEM;
 
-	sp = stack + (UM_KERN_PAGE_SIZE << stack_order) - sizeof(void *);
+	sp = stack + UM_KERN_PAGE_SIZE - sizeof(void *);
 	pid = clone(proc, (void *) sp, flags | SIGCHLD, arg);
 	if (pid < 0) {
 		err = -errno;
@@ -147,7 +142,7 @@ int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags,
 		if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0))
 			printk("run_helper_thread - thread returned status "
 			       "0x%x\n", status);
-		free_stack(stack, stack_order);
+		free_stack(stack, 0);
 	} else
 		*stack_out = stack;
 	return pid;
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index fb510d40480c..e85f4995a011 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -235,8 +235,8 @@ void *__wrap_malloc(int size)
 		return __real_malloc(size);
 	else if(size <= UM_KERN_PAGE_SIZE)
 		/* finding contiguous pages can be hard*/
-		ret = um_kmalloc(size);
-	else ret = um_vmalloc(size);
+		ret = kmalloc(size, UM_GFP_KERNEL);
+	else ret = vmalloc(size);
 
 	/* glibc people insist that if malloc fails, errno should be
 	 * set by malloc as well. So we do.
diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c
index 8d4e0c6b8c92..dc03e9cccb63 100644
--- a/arch/um/os-Linux/sigio.c
+++ b/arch/um/os-Linux/sigio.c
@@ -26,6 +26,7 @@
  * exitcall.
  */
 static int write_sigio_pid = -1;
+static unsigned long write_sigio_stack;
 
 /* These arrays are initialized before the sigio thread is started, and
  * the descriptors closed after it is killed.  So, it can't see them change.
@@ -104,7 +105,7 @@ static int need_poll(struct pollfds *polls, int n)
 	if(n <= polls->size)
 		return 0;
 
-	new = um_kmalloc_atomic(n * sizeof(struct pollfd));
+	new = kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC);
 	if(new == NULL){
 		printk("need_poll : failed to allocate new pollfds\n");
 		return -ENOMEM;
@@ -144,8 +145,10 @@ static void update_thread(void)
 	return;
  fail:
 	/* Critical section start */
-	if(write_sigio_pid != -1)
+	if (write_sigio_pid != -1) {
 		os_kill_process(write_sigio_pid, 1);
+		free_stack(write_sigio_stack, 0);
+	}
 	write_sigio_pid = -1;
 	close(sigio_private[0]);
 	close(sigio_private[1]);
@@ -230,7 +233,7 @@ static struct pollfd *setup_initial_poll(int fd)
 {
 	struct pollfd *p;
 
-	p = um_kmalloc(sizeof(struct pollfd));
+	p = kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL);
 	if (p == NULL) {
 		printk("setup_initial_poll : failed to allocate poll\n");
 		return NULL;
@@ -243,7 +246,6 @@ static struct pollfd *setup_initial_poll(int fd)
 
 static void write_sigio_workaround(void)
 {
-	unsigned long stack;
 	struct pollfd *p;
 	int err;
 	int l_write_sigio_fds[2];
@@ -293,7 +295,8 @@ static void write_sigio_workaround(void)
 	memcpy(sigio_private, l_sigio_private, sizeof(l_sigio_private));
 
 	write_sigio_pid = run_helper_thread(write_sigio_thread, NULL,
-					    CLONE_FILES | CLONE_VM, &stack, 0);
+					    CLONE_FILES | CLONE_VM,
+					    &write_sigio_stack);
 
 	if (write_sigio_pid < 0)
 		goto out_clear;
@@ -356,10 +359,12 @@ out:
 
 static void sigio_cleanup(void)
 {
-	if(write_sigio_pid != -1){
-		os_kill_process(write_sigio_pid, 1);
-		write_sigio_pid = -1;
-	}
+	if (write_sigio_pid == -1)
+		return;
+
+	os_kill_process(write_sigio_pid, 1);
+	free_stack(write_sigio_stack, 0);
+	write_sigio_pid = -1;
 }
 
 __uml_exitcall(sigio_cleanup);
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 46c00cc429bc..ba9af8d62055 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -41,7 +41,7 @@ int is_skas_winch(int pid, int fd, void *data)
 	if(pid != os_getpgrp())
 		return(0);
 
-	register_winch_irq(-1, fd, -1, data);
+	register_winch_irq(-1, fd, -1, data, 0);
 	return(1);
 }
 
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
index 3f33165ada68..419b2d5ff6de 100644
--- a/arch/um/os-Linux/user_syms.c
+++ b/arch/um/os-Linux/user_syms.c
@@ -5,7 +5,8 @@
  * so I *must* declare good prototypes for them and then EXPORT them.
  * The kernel code uses the macro defined by include/linux/string.h,
  * so I undef macros; the userspace code does not include that and I
- * add an EXPORT for the glibc one.*/
+ * add an EXPORT for the glibc one.
+ */
 
 #undef strlen
 #undef strstr
@@ -61,12 +62,18 @@ EXPORT_SYMBOL_PROTO(dup2);
 EXPORT_SYMBOL_PROTO(__xstat);
 EXPORT_SYMBOL_PROTO(__lxstat);
 EXPORT_SYMBOL_PROTO(__lxstat64);
+EXPORT_SYMBOL_PROTO(__fxstat64);
 EXPORT_SYMBOL_PROTO(lseek);
 EXPORT_SYMBOL_PROTO(lseek64);
 EXPORT_SYMBOL_PROTO(chown);
+EXPORT_SYMBOL_PROTO(fchown);
 EXPORT_SYMBOL_PROTO(truncate);
+EXPORT_SYMBOL_PROTO(ftruncate64);
 EXPORT_SYMBOL_PROTO(utime);
+EXPORT_SYMBOL_PROTO(utimes);
+EXPORT_SYMBOL_PROTO(futimes);
 EXPORT_SYMBOL_PROTO(chmod);
+EXPORT_SYMBOL_PROTO(fchmod);
 EXPORT_SYMBOL_PROTO(rename);
 EXPORT_SYMBOL_PROTO(__xmknod);
 
@@ -102,14 +109,3 @@ EXPORT_SYMBOL(__stack_smash_handler);
 
 extern long __guard __attribute__((weak));
 EXPORT_SYMBOL(__guard);
-
-/*
- * 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:
- */