diff options
| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-30 13:31:13 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:13 +0100 |
| commit | 80fbb69a8d1268ef48dfe21da80e68cb01922f31 (patch) | |
| tree | 6cc2d5d0fdc40eb53f74e36c5557fa24f89edce0 /include/asm-x86/desc_64.h | |
| parent | x86: modify write_ldt function (diff) | |
| download | linux-80fbb69a8d1268ef48dfe21da80e68cb01922f31.tar.xz linux-80fbb69a8d1268ef48dfe21da80e68cb01922f31.zip | |
x86: introduce fill_ldt
This patch introduces fill_ldt(), which populates a ldt descriptor
from a user_desc in once, instead of relying in the LDT_entry_a and
LDT_entry_b macros
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/desc_64.h')
| -rw-r--r-- | include/asm-x86/desc_64.h | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/include/asm-x86/desc_64.h b/include/asm-x86/desc_64.h index c49f928ed8b6..ba7fb87d10f3 100644 --- a/include/asm-x86/desc_64.h +++ b/include/asm-x86/desc_64.h @@ -147,23 +147,6 @@ static inline void set_ldt_desc(unsigned cpu, void *addr, int size) (unsigned long)addr, DESC_LDT, size * 8 - 1); } -#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 && \ |