diff options
Diffstat (limited to 'include/asm-x86/desc.h')
| -rw-r--r-- | include/asm-x86/desc.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h index e9356a852020..e17581ad8824 100644 --- a/include/asm-x86/desc.h +++ b/include/asm-x86/desc.h @@ -71,6 +71,12 @@ static inline void pack_gate(gate_desc *gate, unsigned char type, #endif +static inline int desc_empty(const void *ptr) +{ + const u32 *desc = ptr; + return !(desc[0] | desc[1]); +} + #ifdef CONFIG_PARAVIRT #include <asm/paravirt.h> #else |