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Commit 4c9890c2 authored by Glauber de Oliveira Costa's avatar Glauber de Oliveira Costa Committed by Ingo Molnar
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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: default avatarGlauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 04662713

include/asm-x86/paravirt.h

+15 −0
Original line number Diff line number Diff line
@@ -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);