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| author | Roland McGrath <roland@redhat.com> | 2008-01-30 13:31:51 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:51 +0100 |
| commit | 1bd5718ce58fb49ac158653380fa200f4759daad (patch) | |
| tree | 51769d5394214fe0bb6affeb9b9ae33c447ffa73 /include/asm-x86/desc.h | |
| parent | 1eeaed7679eab3666d2d8c964d060c2169b3813b (diff) | |
| download | kernel-crypto-1bd5718ce58fb49ac158653380fa200f4759daad.tar.gz kernel-crypto-1bd5718ce58fb49ac158653380fa200f4759daad.tar.xz kernel-crypto-1bd5718ce58fb49ac158653380fa200f4759daad.zip | |
x86: x86 TLS desc_struct cleanup
This cleans up the TLS code to use struct desc_struct and to separate the
encoding and installation magic from the interface wrappers.
Signed-off-by: Roland McGrath <roland@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.h')
| -rw-r--r-- | include/asm-x86/desc.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h index e17581ad882..5b6a05d3a77 100644 --- a/include/asm-x86/desc.h +++ b/include/asm-x86/desc.h @@ -7,7 +7,8 @@ #include <asm/mmu.h> #include <linux/smp.h> -static inline void fill_ldt(struct desc_struct *desc, struct user_desc *info) +static inline void fill_ldt(struct desc_struct *desc, + const struct user_desc *info) { desc->limit0 = info->limit & 0x0ffff; desc->base0 = info->base_addr & 0x0000ffff; @@ -275,10 +276,16 @@ static inline void load_LDT(mm_context_t *pc) preempt_enable(); } -static inline unsigned long get_desc_base(struct desc_struct *desc) +static inline unsigned long get_desc_base(const struct desc_struct *desc) { return desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24); } + +static inline unsigned long get_desc_limit(const struct desc_struct *desc) +{ + return desc->limit0 | (desc->limit << 16); +} + static inline void _set_gate(int gate, unsigned type, void *addr, unsigned dpl, unsigned ist, unsigned seg) { |