diff options
| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-30 15:33:19 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 15:33:19 +0300 |
| commit | 4c9890c246121d070deb8cf5cf53e80caffc4dde (patch) | |
| tree | 155d9b1bb978ed421a1485e235be39c0948ecdca /include/asm-x86/paravirt.h | |
| parent | 046627130591993fd04acef9aebccf70fdad3702 (diff) | |
| download | linux-4c9890c246121d070deb8cf5cf53e80caffc4dde.tar.xz | |
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: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/paravirt.h')
| -rw-r--r-- | include/asm-x86/paravirt.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index c56b17a5eba0..73547acbbbf5 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -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); |