4 files changed, 18 insertions, 90 deletions
diff --git a/arch/x86/um/asm/archparam.h b/arch/x86/um/asm/archparam.h
deleted file mode 100644
index c17cf68dda0f..000000000000
--- a/arch/x86/um/asm/archparam.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* 
- * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
- * Copyright 2003 PathScale, Inc.
- * Licensed under the GPL
- */
-
-#ifndef __UM_ARCHPARAM_H
-#define __UM_ARCHPARAM_H
-
-#ifdef CONFIG_X86_32
-
-#ifdef CONFIG_X86_PAE
-#define LAST_PKMAP 512
-#else
-#define LAST_PKMAP 1024
-#endif
-
-#endif
-
-#endif
diff --git a/arch/x86/um/asm/elf.h b/arch/x86/um/asm/elf.h
index 6052200fe925..62ed5d68a978 100644
--- a/arch/x86/um/asm/elf.h
+++ b/arch/x86/um/asm/elf.h
@@ -8,6 +8,8 @@
 #include <asm/user.h>
 #include <skas.h>
 
+#define CORE_DUMP_USE_REGSET
+
 #ifdef CONFIG_X86_32
 
 #define R_386_NONE	0
diff --git a/arch/x86/um/asm/mm_context.h b/arch/x86/um/asm/mm_context.h
deleted file mode 100644
index dc32dc023c2f..000000000000
--- a/arch/x86/um/asm/mm_context.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2004 Fujitsu Siemens Computers GmbH
- * Licensed under the GPL
- *
- * Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
- */
-
-#ifndef __ASM_LDT_H
-#define __ASM_LDT_H
-
-#include <linux/mutex.h>
-#include <asm/ldt.h>
-
-#define LDT_PAGES_MAX \
-	((LDT_ENTRIES * LDT_ENTRY_SIZE)/PAGE_SIZE)
-#define LDT_ENTRIES_PER_PAGE \
-	(PAGE_SIZE/LDT_ENTRY_SIZE)
-#define LDT_DIRECT_ENTRIES \
-	((LDT_PAGES_MAX*sizeof(void *))/LDT_ENTRY_SIZE)
-
-struct ldt_entry {
-	__u32 a;
-	__u32 b;
-};
-
-typedef struct uml_ldt {
-	int entry_count;
-	struct mutex lock;
-	union {
-		struct ldt_entry * pages[LDT_PAGES_MAX];
-		struct ldt_entry entries[LDT_DIRECT_ENTRIES];
-	} u;
-} uml_ldt_t;
-
-#define LDT_entry_a(info) \
-	((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff))
-
-#define LDT_entry_b(info) \
-	(((info)->base_addr & 0xff000000) | \
-	(((info)->base_addr & 0x00ff0000) >> 16) | \
-	((info)->limit & 0xf0000) | \
-	(((info)->read_exec_only ^ 1) << 9) | \
-	((info)->contents << 10) | \
-	(((info)->seg_not_present ^ 1) << 15) | \
-	((info)->seg_32bit << 22) | \
-	((info)->limit_in_pages << 23) | \
-	((info)->useable << 20) | \
-	0x7000)
-
-#define _LDT_empty(info) (\
-	(info)->base_addr	== 0	&& \
-	(info)->limit		== 0	&& \
-	(info)->contents	== 0	&& \
-	(info)->read_exec_only	== 1	&& \
-	(info)->seg_32bit	== 0	&& \
-	(info)->limit_in_pages	== 0	&& \
-	(info)->seg_not_present	== 1	&& \
-	(info)->useable		== 0	)
-
-#ifdef CONFIG_X86_64
-#define LDT_empty(info) (_LDT_empty(info) && ((info)->lm == 0))
-#else
-#define LDT_empty(info) (_LDT_empty(info))
-#endif
-
-struct uml_arch_mm_context {
-	uml_ldt_t ldt;
-};
-
-#endif
diff --git a/arch/x86/um/asm/ptrace.h b/arch/x86/um/asm/ptrace.h
index 83822fd42204..2641d28d115c 100644
--- a/arch/x86/um/asm/ptrace.h
+++ b/arch/x86/um/asm/ptrace.h
@@ -2,6 +2,16 @@
 #ifndef __UM_X86_PTRACE_H
 #define __UM_X86_PTRACE_H
 
+/* This is here because signal.c needs the REGSET_FP_LEGACY definition */
+enum {
+	REGSET_GENERAL,
+#ifdef CONFIG_X86_32
+	REGSET_FP_LEGACY,
+#endif
+	REGSET_FP,
+	REGSET_XSTATE,
+};
+
 #include <linux/compiler.h>
 #ifndef CONFIG_X86_32
 #define __FRAME_OFFSETS /* Needed to get the R* macros */
@@ -54,6 +64,8 @@ extern int ptrace_get_thread_area(struct task_struct *child, int idx,
 extern int ptrace_set_thread_area(struct task_struct *child, int idx,
                                   struct user_desc __user *user_desc);
 
+extern int arch_switch_tls(struct task_struct *to);
+
 #else
 
 #define PT_REGS_R8(r) UPT_R8(&(r)->regs)
@@ -83,5 +95,9 @@ extern long arch_prctl(struct task_struct *task, int option,
 		       unsigned long __user *addr);
 
 #endif
+
 #define user_stack_pointer(regs) PT_REGS_SP(regs)
+
+extern void arch_switch_to(struct task_struct *to);
+
 #endif /* __UM_X86_PTRACE_H */