diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-18 01:26:38 -0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-22 22:55:21 -0700 |
| commit | efb21cc2384e385c4873ac6e7b23f16659469ea9 (patch) | |
| tree | e7da1bf7e0d02327a974ec5724e9209eeb9ec7ef /arch/um/include/shared/ldt.h | |
| parent | 5077c2a9cd43e8db71f8257e745e1d27e7b79d3f (diff) | |
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>
Diffstat (limited to 'arch/um/include/shared/ldt.h')
| -rw-r--r-- | arch/um/include/shared/ldt.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/um/include/shared/ldt.h b/arch/um/include/shared/ldt.h new file mode 100644 index 00000000000..a7f999a5877 --- /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 |