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#ifndef __ARCH_DESC_H
#define __ARCH_DESC_H
#include <asm/ldt.h>
#ifndef __ASSEMBLY__
struct desc_struct {
unsigned long a,b;
};
struct Xgt_desc_struct {
unsigned short size;
unsigned long address __attribute__((packed));
};
extern struct desc_struct default_ldt[];
static inline void clear_LDT(void)
{
/*
* NB. We load the default_ldt for lcall7/27 handling on demand, as
* it slows down context switching. Noone uses it anyway.
*/
queue_set_ldt(0, 0);
}
static inline void load_LDT(struct mm_struct *mm)
{
void *segments = mm->context.segments;
int count = 0;
if ( unlikely(segments != NULL) )
count = LDT_ENTRIES;
queue_set_ldt((unsigned long)segments, count);
}
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_DESC_H__ */
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