[PATCH] uml: move _kern.c files

Move most *_kern.c files in arch/um/kernel to *.c.  This makes UML somewhat
more closely resemble the other arches.

[akpm@osdl.org: use the new INTF_* flags]
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/um/kernel/Makefile

@@ -6,11 +6,10 @@
 extra-y := vmlinux.lds
 clean-files :=
 
-obj-y = config.o exec_kern.o exitcode.o \
-	init_task.o irq.o ksyms.o mem.o physmem.o \
-	process_kern.o ptrace.o reboot.o resource.o sigio_kern.o \
-	signal_kern.o smp.o syscall_kern.o sysrq.o \
-	time_kern.o tlb.o trap_kern.o uaccess.o um_arch.o umid.o
+obj-y = config.o exec.o exitcode.o init_task.o irq.o ksyms.o mem.o \
+	physmem.o process_kern.o ptrace.o reboot.o resource.o sigio.o \
+	signal.o smp.o syscall.o sysrq.o time.o tlb.o trap.o uaccess.o \
+	um_arch.o umid.o
 
 obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o
 obj-$(CONFIG_GPROF)	+= gprof_syms.o

arch/um/kernel/exec_kern.c → arch/um/kernel/exec.c

-/* 
+/*
  * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
  * Licensed under the GPL
  */
@@ -31,18 +31,27 @@ void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
 	CHOOSE_MODE_PROC(start_thread_tt, start_thread_skas, regs, eip, esp);
 }
 
+#ifdef CONFIG_TTY_LOG
+extern void log_exec(char **argv, void *tty);
+#endif
+
 static long execve1(char *file, char __user * __user *argv,
 		    char __user *__user *env)
 {
         long error;
 
 #ifdef CONFIG_TTY_LOG
-	log_exec(argv, current->tty);
+	task_lock(current);
+	log_exec(argv, current->signal->tty);
+	task_unlock(current);
 #endif
         error = do_execve(file, argv, env, &current->thread.regs);
         if (error == 0){
 		task_lock(current);
                 current->ptrace &= ~PT_DTRACE;
+#ifdef SUBARCH_EXECVE1
+		SUBARCH_EXECVE1(&current->thread.regs.regs);
+#endif
 		task_unlock(current);
                 set_cmdline(current_cmd());
         }

arch/um/kernel/sigio_kern.c → arch/um/kernel/sigio.c

@@ -31,7 +31,7 @@ int write_sigio_irq(int fd)
 	int err;
 
 	err = um_request_irq(SIGIO_WRITE_IRQ, fd, IRQ_READ, sigio_interrupt,
-			     IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "write sigio",
+			     IRQF_DISABLED|IRQF_SAMPLE_RANDOM, "write sigio",
 			     NULL);
 	if(err){
 		printk("write_sigio_irq : um_request_irq failed, err = %d\n",

arch/um/kernel/signal_kern.c → arch/um/kernel/signal.c

-/* 
+/*
  * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
  * Licensed under the GPL
  */
@@ -36,7 +36,7 @@ EXPORT_SYMBOL(unblock_signals);
 
 /*
  * OK, we're invoking a handler
- */	
+ */
 static int handle_signal(struct pt_regs *regs, unsigned long signr,
 			 struct k_sigaction *ka, siginfo_t *info,
 			 sigset_t *oldset)
@@ -88,7 +88,7 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
 		force_sigsegv(signr, current);
 	} else {
 		spin_lock_irq(&current->sighand->siglock);
-		sigorsets(&current->blocked, &current->blocked, 
+		sigorsets(&current->blocked, &current->blocked,
 			  &ka->sa.sa_mask);
 		 if(!(ka->sa.sa_flags & SA_NODEFER))
 			sigaddset(&current->blocked, signr);
@@ -136,7 +136,7 @@ static int kern_do_signal(struct pt_regs *regs)
 			PT_REGS_RESTART_SYSCALL(regs);
 			break;
 		case -ERESTART_RESTARTBLOCK:
-			PT_REGS_SYSCALL_RET(regs) = __NR_restart_syscall;
+			PT_REGS_ORIG_SYSCALL(regs) = __NR_restart_syscall;
 			PT_REGS_RESTART_SYSCALL(regs);
 			break;
  		}
@@ -146,7 +146,7 @@ static int kern_do_signal(struct pt_regs *regs)
 	 * you set a breakpoint on a system call instruction and singlestep
 	 * from it, the tracing thread used to PTRACE_SINGLESTEP the process
 	 * rather than PTRACE_SYSCALL it, allowing the system call to execute
-	 * on the host.  The tracing thread will check this flag and 
+	 * on the host.  The tracing thread will check this flag and
 	 * PTRACE_SYSCALL if necessary.
 	 */
 	if(current->ptrace & PT_DTRACE)

arch/um/kernel/syscall_kern.c → arch/um/kernel/syscall.c

-/* 
+/*
  * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
  * Licensed under the GPL
  */
@@ -110,7 +110,7 @@ long sys_uname(struct old_utsname __user * name)
 	if (!name)
 		return -EFAULT;
 	down_read(&uts_sem);
-	err=copy_to_user(name, &system_utsname, sizeof (*name));
+	err = copy_to_user(name, utsname(), sizeof (*name));
 	up_read(&uts_sem);
 	return err?-EFAULT:0;
 }
@@ -123,27 +123,27 @@ long sys_olduname(struct oldold_utsname __user * name)
 		return -EFAULT;
 	if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
 		return -EFAULT;
-  
+
   	down_read(&uts_sem);
-	
-	error = __copy_to_user(&name->sysname,&system_utsname.sysname,
+
+	error = __copy_to_user(&name->sysname, &utsname()->sysname,
 			       __OLD_UTS_LEN);
-	error |= __put_user(0,name->sysname+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->nodename,&system_utsname.nodename,
+	error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->nodename, &utsname()->nodename,
 				__OLD_UTS_LEN);
-	error |= __put_user(0,name->nodename+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->release,&system_utsname.release,
+	error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->release, &utsname()->release,
 				__OLD_UTS_LEN);
-	error |= __put_user(0,name->release+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->version,&system_utsname.version,
+	error |= __put_user(0, name->release + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->version, &utsname()->version,
 				__OLD_UTS_LEN);
-	error |= __put_user(0,name->version+__OLD_UTS_LEN);
-	error |= __copy_to_user(&name->machine,&system_utsname.machine,
+	error |= __put_user(0, name->version + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->machine, &utsname()->machine,
 				__OLD_UTS_LEN);
-	error |= __put_user(0,name->machine+__OLD_UTS_LEN);
-	
+	error |= __put_user(0, name->machine + __OLD_UTS_LEN);
+
 	up_read(&uts_sem);
-	
+
 	error = error ? -EFAULT : 0;
 
 	return error;

arch/um/kernel/trap_kern.c → arch/um/kernel/trap.c

@@ -35,7 +35,7 @@
 #include "os.h"
 
 /* Note this is constrained to return 0, -EFAULT, -EACCESS, -ENOMEM by segv(). */
-int handle_page_fault(unsigned long address, unsigned long ip, 
+int handle_page_fault(unsigned long address, unsigned long ip,
 		      int is_write, int is_user, int *code_out)
 {
 	struct mm_struct *mm = current->mm;
@@ -55,20 +55,20 @@ int handle_page_fault(unsigned long address, unsigned long ip,
 
 	down_read(&mm->mmap_sem);
 	vma = find_vma(mm, address);
-	if(!vma) 
+	if(!vma)
 		goto out;
-	else if(vma->vm_start <= address) 
+	else if(vma->vm_start <= address)
 		goto good_area;
-	else if(!(vma->vm_flags & VM_GROWSDOWN)) 
+	else if(!(vma->vm_flags & VM_GROWSDOWN))
 		goto out;
 	else if(is_user && !ARCH_IS_STACKGROW(address))
 		goto out;
-	else if(expand_stack(vma, address)) 
+	else if(expand_stack(vma, address))
 		goto out;
 
 good_area:
 	*code_out = SEGV_ACCERR;
-	if(is_write && !(vma->vm_flags & VM_WRITE)) 
+	if(is_write && !(vma->vm_flags & VM_WRITE))
 		goto out;
 
 	/* Don't require VM_READ|VM_EXEC for write faults! */
@@ -184,14 +184,14 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, void *sc)
 	else if(catcher != NULL){
 		current->thread.fault_addr = (void *) address;
 		do_longjmp(catcher, 1);
-	} 
+	}
 	else if(current->thread.fault_addr != NULL)
 		panic("fault_addr set but no fault catcher");
         else if(!is_user && arch_fixup(ip, sc))
 		return(0);
 
- 	if(!is_user) 
-		panic("Kernel mode fault at addr 0x%lx, ip 0x%lx", 
+ 	if(!is_user)
+		panic("Kernel mode fault at addr 0x%lx, ip 0x%lx",
 		      address, ip);
 
 	if (err == -EACCES) {