提交 4c9890c2 编写于 作者: G Glauber de Oliveira Costa 提交者: Ingo Molnar

x86: puts read and write cr8 into pv_cpu_ops

This patch adds room for read and write_cr8 functions back in
pv_cpu_ops struct
Signed-off-by: NGlauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
上级 04662713
......@@ -101,6 +101,11 @@ struct pv_cpu_ops {
unsigned long (*read_cr4)(void);
void (*write_cr4)(unsigned long);
#ifdef CONFIG_X86_64
unsigned long (*read_cr8)(void);
void (*write_cr8)(unsigned long);
#endif
/* Segment descriptor handling */
void (*load_tr_desc)(void);
void (*load_gdt)(const struct desc_ptr *);
......@@ -614,6 +619,16 @@ static inline void write_cr4(unsigned long x)
PVOP_VCALL1(pv_cpu_ops.write_cr4, x);
}
static inline unsigned long read_cr8(void)
{
return PVOP_CALL0(unsigned long, pv_cpu_ops.read_cr8);
}
static inline void write_cr8(unsigned long x)
{
PVOP_VCALL1(pv_cpu_ops.write_cr8, x);
}
static inline void raw_safe_halt(void)
{
PVOP_VCALL0(pv_irq_ops.safe_halt);
......
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