Merge linux-2.6 with linux-acpi-2.6

3 files changed, 44 insertions, 64 deletions

diff --git a/arch/um/kernel/tt/syscall_kern.c b/arch/um/kernel/tt/syscall_kern.c
index 2650a628719e..3d29c90514cc 100644
--- a/arch/um/kernel/tt/syscall_kern.c
+++ b/arch/um/kernel/tt/syscall_kern.c
@@ -12,36 +12,41 @@
 #include "asm/uaccess.h"
 #include "asm/stat.h"
 #include "sysdep/syscalls.h"
+#include "sysdep/sigcontext.h"
 #include "kern_util.h"
+#include "syscall.h"
 
-extern syscall_handler_t *sys_call_table[];
-
-long execute_syscall_tt(void *r)
+void syscall_handler_tt(int sig, struct pt_regs *regs)
 {
-	struct pt_regs *regs = r;
-	long res;
+	void *sc;
+	long result;
 	int syscall;
-
 #ifdef CONFIG_SYSCALL_DEBUG
+	int index;
+  	index = record_syscall_start(syscall);
+#endif
+	sc = UPT_SC(&regs->regs);
+	SC_START_SYSCALL(sc);
+
+	syscall_trace(&regs->regs, 0);
+
 	current->thread.nsyscalls++;
 	nsyscalls++;
-#endif
 	syscall = UPT_SYSCALL_NR(&regs->regs);
 
 	if((syscall >= NR_syscalls) || (syscall < 0))
-		res = -ENOSYS;
-	else res = EXECUTE_SYSCALL(syscall, regs);
+		result = -ENOSYS;
+	else result = EXECUTE_SYSCALL(syscall, regs);
 
-	return(res);
-}
+	/* regs->sc may have changed while the system call ran (there may
+	 * have been an interrupt or segfault), so it needs to be refreshed.
+	 */
+	UPT_SC(&regs->regs) = sc;
 
-/*
- * 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:
- */
+	SC_SET_SYSCALL_RETURN(sc, result);
+
+	syscall_trace(&regs->regs, 1);
+#ifdef CONFIG_SYSCALL_DEBUG
+  	record_syscall_end(index, result);
+#endif
+}
diff --git a/arch/um/kernel/tt/syscall_user.c b/arch/um/kernel/tt/syscall_user.c
index b218316cfdb2..902987bf379b 100644
--- a/arch/um/kernel/tt/syscall_user.c
+++ b/arch/um/kernel/tt/syscall_user.c
@@ -13,42 +13,9 @@
 #include "task.h"
 #include "user_util.h"
 #include "kern_util.h"
-#include "syscall_user.h"
+#include "syscall.h"
 #include "tt.h"
 
-
-void syscall_handler_tt(int sig, union uml_pt_regs *regs)
-{
-	void *sc;
-	long result;
-	int syscall;
-#ifdef UML_CONFIG_DEBUG_SYSCALL
-	int index;
-#endif
-
-	syscall = UPT_SYSCALL_NR(regs);
-	sc = UPT_SC(regs);
-	SC_START_SYSCALL(sc);
-
-#ifdef UML_CONFIG_DEBUG_SYSCALL
-  	index = record_syscall_start(syscall);
-#endif
-	syscall_trace(regs, 0);
-	result = execute_syscall_tt(regs);
-
-	/* regs->sc may have changed while the system call ran (there may
-	 * have been an interrupt or segfault), so it needs to be refreshed.
-	 */
-	UPT_SC(regs) = sc;
-
-	SC_SET_SYSCALL_RETURN(sc, result);
-
-	syscall_trace(regs, 1);
-#ifdef UML_CONFIG_DEBUG_SYSCALL
-  	record_syscall_end(index, result);
-#endif
-}
-
 void do_sigtrap(void *task)
 {
 	UPT_SYSCALL_NR(TASK_REGS(task)) = -1;
diff --git a/arch/um/kernel/tt/tlb.c b/arch/um/kernel/tt/tlb.c
index 2eefb43bc9c2..f1d85dbb45b9 100644
--- a/arch/um/kernel/tt/tlb.c
+++ b/arch/um/kernel/tt/tlb.c
@@ -17,25 +17,31 @@
 #include "os.h"
 #include "tlb.h"
 
-static void do_ops(union mm_context *mmu, struct host_vm_op *ops, int last)
+static int do_ops(union mm_context *mmu, struct host_vm_op *ops, int last,
+		    int finished, void **flush)
 {
 	struct host_vm_op *op;
-	int i;
+        int i, ret=0;
 
-	for(i = 0; i <= last; i++){
+        for(i = 0; i <= last && !ret; i++){
 		op = &ops[i];
 		switch(op->type){
 		case MMAP:
-                        os_map_memory((void *) op->u.mmap.addr, op->u.mmap.fd,
-				      op->u.mmap.offset, op->u.mmap.len,
-				      op->u.mmap.r, op->u.mmap.w,
-				      op->u.mmap.x);
+                        ret = os_map_memory((void *) op->u.mmap.addr,
+                                            op->u.mmap.fd, op->u.mmap.offset,
+                                            op->u.mmap.len, op->u.mmap.r,
+                                            op->u.mmap.w, op->u.mmap.x);
 			break;
 		case MUNMAP:
-			os_unmap_memory((void *) op->u.munmap.addr,
-					op->u.munmap.len);
+                        ret = os_unmap_memory((void *) op->u.munmap.addr,
+                                              op->u.munmap.len);
 			break;
 		case MPROTECT:
+                        ret = protect_memory(op->u.mprotect.addr,
+                                             op->u.munmap.len,
+                                             op->u.mprotect.r,
+                                             op->u.mprotect.w,
+                                             op->u.mprotect.x, 1);
 			protect_memory(op->u.mprotect.addr, op->u.munmap.len,
 				       op->u.mprotect.r, op->u.mprotect.w,
 				       op->u.mprotect.x, 1);
@@ -45,6 +51,8 @@ static void do_ops(union mm_context *mmu, struct host_vm_op *ops, int last)
 			break;
 		}
 	}
+
+	return ret;
 }
 
 static void fix_range(struct mm_struct *mm, unsigned long start_addr,