From efb21cc2384e385c4873ac6e7b23f16659469ea9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 01:26:38 -0400
Subject: x86, um: untangle uml ldt.h
* turn asm/ldt.h into ldt.h; update the (very few) users
* take host_ldt.h into sysdep, kill symlink mess
* includes of asm/arch/ldt.h turn into asm/ldt.h now
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
arch/um/Makefile | 2 +-
arch/um/include/asm/host_ldt-i386.h | 34 ----------------------
arch/um/include/asm/host_ldt-x86_64.h | 38 -------------------------
arch/um/include/asm/ldt.h | 37 ------------------------
arch/um/include/asm/processor-i386.h | 2 +-
arch/um/include/asm/ptrace-x86_64.h | 2 +-
arch/um/include/shared/ldt.h | 37 ++++++++++++++++++++++++
arch/um/include/shared/sysdep-i386/host_ldt.h | 34 ++++++++++++++++++++++
arch/um/include/shared/sysdep-i386/tls.h | 2 +-
arch/um/include/shared/sysdep-x86_64/host_ldt.h | 38 +++++++++++++++++++++++++
arch/um/include/shared/sysdep-x86_64/tls.h | 2 +-
arch/um/include/shared/um_mmu.h | 2 +-
12 files changed, 115 insertions(+), 115 deletions(-)
delete mode 100644 arch/um/include/asm/host_ldt-i386.h
delete mode 100644 arch/um/include/asm/host_ldt-x86_64.h
delete mode 100644 arch/um/include/asm/ldt.h
create mode 100644 arch/um/include/shared/ldt.h
create mode 100644 arch/um/include/shared/sysdep-i386/host_ldt.h
create mode 100644 arch/um/include/shared/sysdep-x86_64/host_ldt.h
(limited to 'arch/um')
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 33d59f1..909d16b 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -20,7 +20,7 @@ core-y += $(ARCH_DIR)/kernel/ \
# Have to precede the include because the included Makefiles reference them.
SYMLINK_HEADERS := archparam.h system.h processor.h ptrace.h \
- module.h vm-flags.h elf.h host_ldt.h
+ module.h vm-flags.h elf.h
SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header))
# XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
diff --git a/arch/um/include/asm/host_ldt-i386.h b/arch/um/include/asm/host_ldt-i386.h
deleted file mode 100644
index b27cb0a..0000000
--- a/arch/um/include/asm/host_ldt-i386.h
+++ /dev/null
@@ -1,34 +0,0 @@
-#ifndef __ASM_HOST_LDT_I386_H
-#define __ASM_HOST_LDT_I386_H
-
-#include "asm/arch/ldt.h"
-
-/*
- * macros stolen from include/asm-i386/desc.h
- */
-#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 )
-
-#endif
diff --git a/arch/um/include/asm/host_ldt-x86_64.h b/arch/um/include/asm/host_ldt-x86_64.h
deleted file mode 100644
index 74a63f7..0000000
--- a/arch/um/include/asm/host_ldt-x86_64.h
+++ /dev/null
@@ -1,38 +0,0 @@
-#ifndef __ASM_HOST_LDT_X86_64_H
-#define __ASM_HOST_LDT_X86_64_H
-
-#include "asm/arch/ldt.h"
-
-/*
- * macros stolen from include/asm-x86_64/desc.h
- */
-#define LDT_entry_a(info) \
- ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff))
-
-/* Don't allow setting of the lm bit. It is useless anyways because
- * 64bit system calls require __USER_CS. */
-#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) | \
- /* ((info)->lm << 21) | */ \
- 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 && \
- (info)->lm == 0)
-
-#endif
diff --git a/arch/um/include/asm/ldt.h b/arch/um/include/asm/ldt.h
deleted file mode 100644
index 52af512..0000000
--- a/arch/um/include/asm/ldt.h
+++ /dev/null
@@ -1,37 +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/host_ldt.h"
-
-extern void ldt_host_info(void);
-
-#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;
-
-#endif
diff --git a/arch/um/include/asm/processor-i386.h b/arch/um/include/asm/processor-i386.h
index 4f8be00..82a9061 100644
--- a/arch/um/include/asm/processor-i386.h
+++ b/arch/um/include/asm/processor-i386.h
@@ -7,7 +7,7 @@
#define __UM_PROCESSOR_I386_H
#include "linux/string.h"
-#include "asm/host_ldt.h"
+#include <sysdep/host_ldt.h>
#include "asm/segment.h"
extern int host_has_cmov;
diff --git a/arch/um/include/asm/ptrace-x86_64.h b/arch/um/include/asm/ptrace-x86_64.h
index 4c47535..2653fba 100644
--- a/arch/um/include/asm/ptrace-x86_64.h
+++ b/arch/um/include/asm/ptrace-x86_64.h
@@ -9,7 +9,7 @@
#include "linux/compiler.h"
#include "asm/errno.h"
-#include "asm/host_ldt.h"
+#include <sysdep/host_ldt.h>
#define __FRAME_OFFSETS /* Needed to get the R* macros */
#include "asm/ptrace-generic.h"
diff --git a/arch/um/include/shared/ldt.h b/arch/um/include/shared/ldt.h
new file mode 100644
index 0000000..a7f999a
--- /dev/null
+++ b/arch/um/include/shared/ldt.h
@@ -0,0 +1,37 @@
+/*
+ * 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 <sysdep/host_ldt.h>
+
+extern void ldt_host_info(void);
+
+#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;
+
+#endif
diff --git a/arch/um/include/shared/sysdep-i386/host_ldt.h b/arch/um/include/shared/sysdep-i386/host_ldt.h
new file mode 100644
index 0000000..0953cc4
--- /dev/null
+++ b/arch/um/include/shared/sysdep-i386/host_ldt.h
@@ -0,0 +1,34 @@
+#ifndef __ASM_HOST_LDT_I386_H
+#define __ASM_HOST_LDT_I386_H
+
+#include <asm/ldt.h>
+
+/*
+ * macros stolen from include/asm-i386/desc.h
+ */
+#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 )
+
+#endif
diff --git a/arch/um/include/shared/sysdep-i386/tls.h b/arch/um/include/shared/sysdep-i386/tls.h
index 918fd3c..3455075 100644
--- a/arch/um/include/shared/sysdep-i386/tls.h
+++ b/arch/um/include/shared/sysdep-i386/tls.h
@@ -21,7 +21,7 @@ typedef struct um_dup_user_desc {
# else /* __KERNEL__ */
-# include <asm/ldt.h>
+# include <ldt.h>
typedef struct user_desc user_desc_t;
# endif /* __KERNEL__ */
diff --git a/arch/um/include/shared/sysdep-x86_64/host_ldt.h b/arch/um/include/shared/sysdep-x86_64/host_ldt.h
new file mode 100644
index 0000000..e8b1be1
--- /dev/null
+++ b/arch/um/include/shared/sysdep-x86_64/host_ldt.h
@@ -0,0 +1,38 @@
+#ifndef __ASM_HOST_LDT_X86_64_H
+#define __ASM_HOST_LDT_X86_64_H
+
+#include <asm/ldt.h>
+
+/*
+ * macros stolen from include/asm-x86_64/desc.h
+ */
+#define LDT_entry_a(info) \
+ ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff))
+
+/* Don't allow setting of the lm bit. It is useless anyways because
+ * 64bit system calls require __USER_CS. */
+#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) | \
+ /* ((info)->lm << 21) | */ \
+ 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 && \
+ (info)->lm == 0)
+
+#endif
diff --git a/arch/um/include/shared/sysdep-x86_64/tls.h b/arch/um/include/shared/sysdep-x86_64/tls.h
index 35f19f2..18c000d 100644
--- a/arch/um/include/shared/sysdep-x86_64/tls.h
+++ b/arch/um/include/shared/sysdep-x86_64/tls.h
@@ -22,7 +22,7 @@ typedef struct um_dup_user_desc {
# else /* __KERNEL__ */
-# include <asm/ldt.h>
+# include <ldt.h>
typedef struct user_desc user_desc_t;
# endif /* __KERNEL__ */
diff --git a/arch/um/include/shared/um_mmu.h b/arch/um/include/shared/um_mmu.h
index f575ff9..4cc1ef4 100644
--- a/arch/um/include/shared/um_mmu.h
+++ b/arch/um/include/shared/um_mmu.h
@@ -8,7 +8,7 @@
#include "uml-config.h"
#include "mm_id.h"
-#include "asm/ldt.h"
+#include "ldt.h"
typedef struct mm_context {
struct mm_id id;
--
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