locking: Convert raw_spinlock to arch_spinlock

[safe/jmp/linux-2.6] / arch / x86 / include / asm / paravirt.h

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 825674a..5655f75 100644 (file)
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -24,21 +24,6 @@ static inline void load_sp0(struct tss_struct *tss,
        PVOP_VCALL2(pv_cpu_ops.load_sp0, tss, thread);
 }
 
-static inline unsigned long get_wallclock(void)
-{
-       return PVOP_CALL0(unsigned long, pv_time_ops.get_wallclock);
-}
-
-static inline int set_wallclock(unsigned long nowtime)
-{
-       return PVOP_CALL1(int, pv_time_ops.set_wallclock, nowtime);
-}
-
-static inline void (*choose_time_init(void))(void)
-{
-       return pv_time_ops.time_init;
-}
-
 /* The paravirtualized CPUID instruction. */
 static inline void __cpuid(unsigned int *eax, unsigned int *ebx,
                           unsigned int *ecx, unsigned int *edx)
@@ -141,15 +126,22 @@ static inline u64 paravirt_read_msr(unsigned msr, int *err)
 {
        return PVOP_CALL2(u64, pv_cpu_ops.read_msr, msr, err);
 }
-static inline u64 paravirt_read_msr_amd(unsigned msr, int *err)
+
+static inline int paravirt_rdmsr_regs(u32 *regs)
 {
-       return PVOP_CALL2(u64, pv_cpu_ops.read_msr_amd, msr, err);
+       return PVOP_CALL1(int, pv_cpu_ops.rdmsr_regs, regs);
 }
+
 static inline int paravirt_write_msr(unsigned msr, unsigned low, unsigned high)
 {
        return PVOP_CALL3(int, pv_cpu_ops.write_msr, msr, low, high);
 }
 
+static inline int paravirt_wrmsr_regs(u32 *regs)
+{
+       return PVOP_CALL1(int, pv_cpu_ops.wrmsr_regs, regs);
+}
+
 /* These should all do BUG_ON(_err), but our headers are too tangled. */
 #define rdmsr(msr, val1, val2)                 \
 do {                                           \
@@ -183,6 +175,9 @@ do {                                                \
        _err;                                   \
 })
 
+#define rdmsr_safe_regs(regs)  paravirt_rdmsr_regs(regs)
+#define wrmsr_safe_regs(regs)  paravirt_wrmsr_regs(regs)
+
 static inline int rdmsrl_safe(unsigned msr, unsigned long long *p)
 {
        int err;
@@ -192,12 +187,31 @@ static inline int rdmsrl_safe(unsigned msr, unsigned long long *p)
 }
 static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p)
 {
+       u32 gprs[8] = { 0 };
        int err;
 
-       *p = paravirt_read_msr_amd(msr, &err);
+       gprs[1] = msr;
+       gprs[7] = 0x9c5a203a;
+
+       err = paravirt_rdmsr_regs(gprs);
+
+       *p = gprs[0] | ((u64)gprs[2] << 32);
+
        return err;
 }
 
+static inline int wrmsrl_amd_safe(unsigned msr, unsigned long long val)
+{
+       u32 gprs[8] = { 0 };
+
+       gprs[0] = (u32)val;
+       gprs[1] = msr;
+       gprs[2] = val >> 32;
+       gprs[7] = 0x9c5a203a;
+
+       return paravirt_wrmsr_regs(gprs);
+}
+
 static inline u64 paravirt_read_tsc(void)
 {
        return PVOP_CALL0(u64, pv_cpu_ops.read_tsc);
@@ -215,7 +229,6 @@ static inline unsigned long long paravirt_sched_clock(void)
 {
        return PVOP_CALL0(unsigned long long, pv_time_ops.sched_clock);
 }
-#define calibrate_tsc() (pv_time_ops.get_tsc_khz())
 
 static inline unsigned long long paravirt_read_pmc(int counter)
 {
@@ -718,34 +731,34 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
 
 #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS)
 
-static inline int __raw_spin_is_locked(struct raw_spinlock *lock)
+static inline int __raw_spin_is_locked(struct arch_spinlock *lock)
 {
        return PVOP_CALL1(int, pv_lock_ops.spin_is_locked, lock);
 }
 
-static inline int __raw_spin_is_contended(struct raw_spinlock *lock)
+static inline int __raw_spin_is_contended(struct arch_spinlock *lock)
 {
        return PVOP_CALL1(int, pv_lock_ops.spin_is_contended, lock);
 }
 #define __raw_spin_is_contended        __raw_spin_is_contended
 
-static __always_inline void __raw_spin_lock(struct raw_spinlock *lock)
+static __always_inline void __raw_spin_lock(struct arch_spinlock *lock)
 {
        PVOP_VCALL1(pv_lock_ops.spin_lock, lock);
 }
 
-static __always_inline void __raw_spin_lock_flags(struct raw_spinlock *lock,
+static __always_inline void __raw_spin_lock_flags(struct arch_spinlock *lock,
                                                  unsigned long flags)
 {
        PVOP_VCALL2(pv_lock_ops.spin_lock_flags, lock, flags);
 }
 
-static __always_inline int __raw_spin_trylock(struct raw_spinlock *lock)
+static __always_inline int __raw_spin_trylock(struct arch_spinlock *lock)
 {
        return PVOP_CALL1(int, pv_lock_ops.spin_trylock, lock);
 }
 
-static __always_inline void __raw_spin_unlock(struct raw_spinlock *lock)
+static __always_inline void __raw_spin_unlock(struct arch_spinlock *lock)
 {
        PVOP_VCALL1(pv_lock_ops.spin_unlock, lock);
 }
@@ -827,42 +840,22 @@ static __always_inline void __raw_spin_unlock(struct raw_spinlock *lock)
 
 static inline unsigned long __raw_local_save_flags(void)
 {
-       unsigned long f;
-
-       asm volatile(paravirt_alt(PARAVIRT_CALL)
-                    : "=a"(f)
-                    : paravirt_type(pv_irq_ops.save_fl),
-                      paravirt_clobber(CLBR_EAX)
-                    : "memory", "cc");
-       return f;
+       return PVOP_CALLEE0(unsigned long, pv_irq_ops.save_fl);
 }
 
 static inline void raw_local_irq_restore(unsigned long f)
 {
-       asm volatile(paravirt_alt(PARAVIRT_CALL)
-                    : "=a"(f)
-                    : PV_FLAGS_ARG(f),
-                      paravirt_type(pv_irq_ops.restore_fl),
-                      paravirt_clobber(CLBR_EAX)
-                    : "memory", "cc");
+       PVOP_VCALLEE1(pv_irq_ops.restore_fl, f);
 }
 
 static inline void raw_local_irq_disable(void)
 {
-       asm volatile(paravirt_alt(PARAVIRT_CALL)
-                    :
-                    : paravirt_type(pv_irq_ops.irq_disable),
-                      paravirt_clobber(CLBR_EAX)
-                    : "memory", "eax", "cc");
+       PVOP_VCALLEE0(pv_irq_ops.irq_disable);
 }
 
 static inline void raw_local_irq_enable(void)
 {
-       asm volatile(paravirt_alt(PARAVIRT_CALL)
-                    :
-                    : paravirt_type(pv_irq_ops.irq_enable),
-                      paravirt_clobber(CLBR_EAX)
-                    : "memory", "eax", "cc");
+       PVOP_VCALLEE0(pv_irq_ops.irq_enable);
 }
 
 static inline unsigned long __raw_local_irq_save(void)