5 files changed, 31 insertions, 32 deletions

diff --git a/arch/um/kernel/skas/clone.c b/arch/um/kernel/skas/clone.c
index e1fd066a352..289771dadf8 100644
--- a/arch/um/kernel/skas/clone.c
+++ b/arch/um/kernel/skas/clone.c
@@ -7,10 +7,10 @@
 #include <sched.h>
 #include <asm/unistd.h>
 #include <sys/time.h>
-#include "as-layout.h"
-#include "ptrace_user.h"
-#include "stub-data.h"
-#include "sysdep/stub.h"
+#include <as-layout.h>
+#include <ptrace_user.h>
+#include <stub-data.h>
+#include <sysdep/stub.h>
 
 /*
  * This is in a separate file because it needs to be compiled with any
diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index 4947b319f53..007d5503f49 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -3,14 +3,14 @@
  * Licensed under the GPL
  */
 
-#include "linux/mm.h"
-#include "linux/sched.h"
-#include "linux/slab.h"
-#include "asm/pgalloc.h"
-#include "asm/pgtable.h"
-#include "as-layout.h"
-#include "os.h"
-#include "skas.h"
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <asm/pgalloc.h>
+#include <asm/pgtable.h>
+#include <as-layout.h>
+#include <os.h>
+#include <skas.h>
 
 extern int __syscall_stub_start;
 
@@ -103,7 +103,6 @@ int init_new_context(struct task_struct *task, struct mm_struct *mm)
 
 void uml_setup_stubs(struct mm_struct *mm)
 {
-	struct page **pages;
 	int err, ret;
 
 	if (!skas_needs_stub)
@@ -124,7 +123,7 @@ void uml_setup_stubs(struct mm_struct *mm)
 	/* dup_mmap already holds mmap_sem */
 	err = install_special_mapping(mm, STUB_START, STUB_END - STUB_START,
 				      VM_READ | VM_MAYREAD | VM_EXEC |
-				      VM_MAYEXEC | VM_DONTCOPY,
+				      VM_MAYEXEC | VM_DONTCOPY | VM_PFNMAP,
 				      mm->context.stub_pages);
 	if (err) {
 		printk(KERN_ERR "install_special_mapping returned %d\n", err);
diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c
index 2e9852c0d48..4da11b3c8dd 100644
--- a/arch/um/kernel/skas/process.c
+++ b/arch/um/kernel/skas/process.c
@@ -3,12 +3,12 @@
  * Licensed under the GPL
  */
 
-#include "linux/init.h"
-#include "linux/sched.h"
-#include "as-layout.h"
-#include "kern.h"
-#include "os.h"
-#include "skas.h"
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <as-layout.h>
+#include <kern.h>
+#include <os.h>
+#include <skas.h>
 
 int new_mm(unsigned long stack)
 {
@@ -41,7 +41,7 @@ static int __init start_kernel_proc(void *unused)
 	cpu_tasks[0].pid = pid;
 	cpu_tasks[0].task = current;
 #ifdef CONFIG_SMP
-	cpu_online_map = cpumask_of_cpu(0);
+	init_cpu_online(get_cpu_mask(0));
 #endif
 	start_kernel();
 	return 0;
diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c
index f5173e1ec3a..c0681e09743 100644
--- a/arch/um/kernel/skas/syscall.c
+++ b/arch/um/kernel/skas/syscall.c
@@ -3,11 +3,11 @@
  * Licensed under the GPL
  */
 
-#include "linux/kernel.h"
-#include "linux/ptrace.h"
-#include "kern_util.h"
-#include "sysdep/ptrace.h"
-#include "sysdep/syscalls.h"
+#include <linux/kernel.h>
+#include <linux/ptrace.h>
+#include <kern_util.h>
+#include <sysdep/ptrace.h>
+#include <sysdep/syscalls.h>
 
 extern int syscall_table_size;
 #define NR_SYSCALLS (syscall_table_size / sizeof(void *))
@@ -18,7 +18,7 @@ void handle_syscall(struct uml_pt_regs *r)
 	long result;
 	int syscall;
 
-	syscall_trace(r, 0);
+	syscall_trace_enter(regs);
 
 	/*
 	 * This should go in the declaration of syscall, but when I do that,
@@ -34,7 +34,7 @@ void handle_syscall(struct uml_pt_regs *r)
 		result = -ENOSYS;
 	else result = EXECUTE_SYSCALL(syscall, regs);
 
-	REGS_SET_SYSCALL_RETURN(r->gp, result);
+	PT_REGS_SET_SYSCALL_RETURN(regs, result);
 
-	syscall_trace(r, 1);
+	syscall_trace_leave(regs);
 }
diff --git a/arch/um/kernel/skas/uaccess.c b/arch/um/kernel/skas/uaccess.c
index cd7df79c6a5..4ffb644d6c0 100644
--- a/arch/um/kernel/skas/uaccess.c
+++ b/arch/um/kernel/skas/uaccess.c
@@ -11,8 +11,8 @@
 #include <asm/current.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
-#include "kern_util.h"
-#include "os.h"
+#include <kern_util.h>
+#include <os.h>
 
 pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr)
 {
@@ -254,6 +254,6 @@ int strnlen_user(const void __user *str, int len)
 	n = buffer_op((unsigned long) str, len, 0, strnlen_chunk, &count);
 	if (n == 0)
 		return count + 1;
-	return -EFAULT;
+	return 0;
 }
 EXPORT_SYMBOL(strnlen_user);