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x86: change write_ldt_entry signature

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this patch changes the signature of write_ldt_entry.

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
CC: Zachary Amsden <zach@vmware.com>
CC: Jeremy Fitzhardinge <Jeremy.Fitzhardinge.citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Glauber de Oliveira Costa 2008-01-30 13:31:13 +01:00 • committed by Ingo Molnar
commit 75b8bb3e56
7 changed files with 30 additions and 16 deletions
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9
include/asm-x86/desc_32.h
View file

@ -69,12 +69,19 @@ static inline void pack_gate(gate_desc *gate,
#define load_TLS(t, cpu) native_load_tls(t, cpu)
#define set_ldt native_set_ldt
#define write_ldt_entry(dt, entry, a, b) write_dt_entry(dt, entry, a, b)
#define write_ldt_entry(dt, entry, desc) \
native_write_ldt_entry(dt, entry, desc)
#define write_gdt_entry(dt, entry, desc, type) \
native_write_gdt_entry(dt, entry, desc, type)
#define write_idt_entry(dt, entry, g) native_write_idt_entry(dt, entry, g)
#endif
static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry,
const void *desc)
{
memcpy(&ldt[entry], desc, sizeof(struct desc_struct));
}
static inline void native_write_idt_entry(gate_desc *idt, int entry,
const gate_desc *gate)
{

7
include/asm-x86/desc_64.h
View file

@ -34,12 +34,9 @@ extern gate_desc idt_table[];
extern struct desc_ptr cpu_gdt_descr[];
static inline void write_ldt_entry(struct desc_struct *ldt,
int entry, u32 entry_low, u32 entry_high)
int entry, void *ptr)
{
__u32 *lp = (__u32 *)((entry << 3) + (char *)ldt);
lp[0] = entry_low;
lp[1] = entry_high;
memcpy(&ldt[entry], ptr, 8);
}
/* the cpu gdt accessor */

10
include/asm-x86/paravirt.h
View file

@ -96,8 +96,8 @@ struct pv_cpu_ops {
void (*set_ldt)(const void *desc, unsigned entries);
unsigned long (*store_tr)(void);
void (*load_tls)(struct thread_struct *t, unsigned int cpu);
void (*write_ldt_entry)(struct desc_struct *,
int entrynum, u32 low, u32 high);
void (*write_ldt_entry)(struct desc_struct *ldt, int entrynum,
const void *desc);
void (*write_gdt_entry)(struct desc_struct *,
int entrynum, const void *desc, int size);
void (*write_idt_entry)(gate_desc *,
@ -660,9 +660,11 @@ static inline void load_TLS(struct thread_struct *t, unsigned cpu)
{
PVOP_VCALL2(pv_cpu_ops.load_tls, t, cpu);
}
static inline void write_ldt_entry(void *dt, int entry, u32 low, u32 high)
static inline void write_ldt_entry(struct desc_struct *dt, int entry,
const void *desc)
{
PVOP_VCALL4(pv_cpu_ops.write_ldt_entry, dt, entry, low, high);
PVOP_VCALL3(pv_cpu_ops.write_ldt_entry, dt, entry, desc);
}
static inline void write_gdt_entry(struct desc_struct *dt, int entry,