diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 10:22:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 10:22:01 -0700 |
| commit | 5b34653963de7a6d0d8c783527457d68fddc60fb (patch) | |
| tree | 1a234741e1823a54cd0514616f783b4cf503a528 /arch/x86/include/asm/ldt.h | |
| parent | 765426e8ee4c0ab2bc9d44951f4865b8494cdbd0 (diff) | |
| parent | 5e1b00758b5a8bee9d42515bffdaf305a32f1b04 (diff) | |
| download | blackbird-op-linux-5b34653963de7a6d0d8c783527457d68fddc60fb.tar.gz blackbird-op-linux-5b34653963de7a6d0d8c783527457d68fddc60fb.zip | |
Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits)
x86: canonicalize remaining header guards
x86: drop double underscores from header guards
x86: Fix ASM_X86__ header guards
x86, um: get rid of uml-config.h
x86, um: get rid of arch/um/Kconfig.arch
x86, um: get rid of arch/um/os symlink
x86, um: get rid of excessive includes of uml-config.h
x86, um: get rid of header symlinks
x86, um: merge Kconfig.i386 and Kconfig.x86_64
x86, um: get rid of sysdep symlink
x86, um: trim the junk from uml ptrace-*.h
x86, um: take vm-flags.h to sysdep
x86, um: get rid of uml asm/arch
x86, um: get rid of uml highmem.h
x86, um: get rid of uml unistd.h
x86, um: get rid of system.h -> system.h include
x86, um: uml atomic.h is not needed anymore
x86, um: untangle uml ldt.h
x86, um: get rid of more uml asm/arch uses
x86, um: remove dead header (uml module-generic.h; never used these days)
...
Diffstat (limited to 'arch/x86/include/asm/ldt.h')
| -rw-r--r-- | arch/x86/include/asm/ldt.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/x86/include/asm/ldt.h b/arch/x86/include/asm/ldt.h new file mode 100644 index 000000000000..46727eb37bfe --- /dev/null +++ b/arch/x86/include/asm/ldt.h @@ -0,0 +1,40 @@ +/* + * ldt.h + * + * Definitions of structures used with the modify_ldt system call. + */ +#ifndef _ASM_X86_LDT_H +#define _ASM_X86_LDT_H + +/* Maximum number of LDT entries supported. */ +#define LDT_ENTRIES 8192 +/* The size of each LDT entry. */ +#define LDT_ENTRY_SIZE 8 + +#ifndef __ASSEMBLY__ +/* + * Note on 64bit base and limit is ignored and you cannot set DS/ES/CS + * not to the default values if you still want to do syscalls. This + * call is more for 32bit mode therefore. + */ +struct user_desc { + unsigned int entry_number; + unsigned int base_addr; + unsigned int limit; + unsigned int seg_32bit:1; + unsigned int contents:2; + unsigned int read_exec_only:1; + unsigned int limit_in_pages:1; + unsigned int seg_not_present:1; + unsigned int useable:1; +#ifdef __x86_64__ + unsigned int lm:1; +#endif +}; + +#define MODIFY_LDT_CONTENTS_DATA 0 +#define MODIFY_LDT_CONTENTS_STACK 1 +#define MODIFY_LDT_CONTENTS_CODE 2 + +#endif /* !__ASSEMBLY__ */ +#endif /* _ASM_X86_LDT_H */ |
