fat: ->i_pos race fix

[linux-2.6-omap-h63xx.git] / arch / s390 / kvm / gaccess.h

diff --git a/arch/s390/kvm/gaccess.h b/arch/s390/kvm/gaccess.h
index 4e0633c413f3841dc1132c39d06dc5645b57f66d..ed60f3a74a85f1ca6a8e994a974fc2bba6dd1652 100644 (file)
--- a/arch/s390/kvm/gaccess.h
+++ b/arch/s390/kvm/gaccess.h
@@ -18,11 +18,11 @@
 #include <asm/uaccess.h>
 
 static inline void __user *__guestaddr_to_user(struct kvm_vcpu *vcpu,
-                                              u64 guestaddr)
+                                              unsigned long guestaddr)
 {
-       u64 prefix  = vcpu->arch.sie_block->prefix;
-       u64 origin  = vcpu->kvm->arch.guest_origin;
-       u64 memsize = vcpu->kvm->arch.guest_memsize;
+       unsigned long prefix  = vcpu->arch.sie_block->prefix;
+       unsigned long origin  = vcpu->kvm->arch.guest_origin;
+       unsigned long memsize = vcpu->kvm->arch.guest_memsize;
 
        if (guestaddr < 2 * PAGE_SIZE)
                guestaddr += prefix;
@@ -37,7 +37,7 @@ static inline void __user *__guestaddr_to_user(struct kvm_vcpu *vcpu,
        return (void __user *) guestaddr;
 }
 
-static inline int get_guest_u64(struct kvm_vcpu *vcpu, u64 guestaddr,
+static inline int get_guest_u64(struct kvm_vcpu *vcpu, unsigned long guestaddr,
                                u64 *result)
 {
        void __user *uptr = __guestaddr_to_user(vcpu, guestaddr);
@@ -47,10 +47,10 @@ static inline int get_guest_u64(struct kvm_vcpu *vcpu, u64 guestaddr,
        if (IS_ERR((void __force *) uptr))
                return PTR_ERR((void __force *) uptr);
 
-       return get_user(*result, (u64 __user *) uptr);
+       return get_user(*result, (unsigned long __user *) uptr);
 }
 
-static inline int get_guest_u32(struct kvm_vcpu *vcpu, u64 guestaddr,
+static inline int get_guest_u32(struct kvm_vcpu *vcpu, unsigned long guestaddr,
                                u32 *result)
 {
        void __user *uptr = __guestaddr_to_user(vcpu, guestaddr);
@@ -63,7 +63,7 @@ static inline int get_guest_u32(struct kvm_vcpu *vcpu, u64 guestaddr,
        return get_user(*result, (u32 __user *) uptr);
 }
 
-static inline int get_guest_u16(struct kvm_vcpu *vcpu, u64 guestaddr,
+static inline int get_guest_u16(struct kvm_vcpu *vcpu, unsigned long guestaddr,
                                u16 *result)
 {
        void __user *uptr = __guestaddr_to_user(vcpu, guestaddr);
@@ -76,7 +76,7 @@ static inline int get_guest_u16(struct kvm_vcpu *vcpu, u64 guestaddr,
        return get_user(*result, (u16 __user *) uptr);
 }
 
-static inline int get_guest_u8(struct kvm_vcpu *vcpu, u64 guestaddr,
+static inline int get_guest_u8(struct kvm_vcpu *vcpu, unsigned long guestaddr,
                               u8 *result)
 {
        void __user *uptr = __guestaddr_to_user(vcpu, guestaddr);
@@ -87,7 +87,7 @@ static inline int get_guest_u8(struct kvm_vcpu *vcpu, u64 guestaddr,
        return get_user(*result, (u8 __user *) uptr);
 }
 
-static inline int put_guest_u64(struct kvm_vcpu *vcpu, u64 guestaddr,
+static inline int put_guest_u64(struct kvm_vcpu *vcpu, unsigned long guestaddr,
                                u64 value)
 {
        void __user *uptr = __guestaddr_to_user(vcpu, guestaddr);
@@ -100,7 +100,7 @@ static inline int put_guest_u64(struct kvm_vcpu *vcpu, u64 guestaddr,
        return put_user(value, (u64 __user *) uptr);
 }
 
-static inline int put_guest_u32(struct kvm_vcpu *vcpu, u64 guestaddr,
+static inline int put_guest_u32(struct kvm_vcpu *vcpu, unsigned long guestaddr,
                                u32 value)
 {
        void __user *uptr = __guestaddr_to_user(vcpu, guestaddr);
@@ -113,7 +113,7 @@ static inline int put_guest_u32(struct kvm_vcpu *vcpu, u64 guestaddr,
        return put_user(value, (u32 __user *) uptr);
 }
 
-static inline int put_guest_u16(struct kvm_vcpu *vcpu, u64 guestaddr,
+static inline int put_guest_u16(struct kvm_vcpu *vcpu, unsigned long guestaddr,
                                u16 value)
 {
        void __user *uptr = __guestaddr_to_user(vcpu, guestaddr);
@@ -126,7 +126,7 @@ static inline int put_guest_u16(struct kvm_vcpu *vcpu, u64 guestaddr,
        return put_user(value, (u16 __user *) uptr);
 }
 
-static inline int put_guest_u8(struct kvm_vcpu *vcpu, u64 guestaddr,
+static inline int put_guest_u8(struct kvm_vcpu *vcpu, unsigned long guestaddr,
                               u8 value)
 {
        void __user *uptr = __guestaddr_to_user(vcpu, guestaddr);
@@ -138,7 +138,8 @@ static inline int put_guest_u8(struct kvm_vcpu *vcpu, u64 guestaddr,
 }
 
 
-static inline int __copy_to_guest_slow(struct kvm_vcpu *vcpu, u64 guestdest,
+static inline int __copy_to_guest_slow(struct kvm_vcpu *vcpu,
+                                      unsigned long guestdest,
                                       const void *from, unsigned long n)
 {
        int rc;
@@ -153,12 +154,12 @@ static inline int __copy_to_guest_slow(struct kvm_vcpu *vcpu, u64 guestdest,
        return 0;
 }
 
-static inline int copy_to_guest(struct kvm_vcpu *vcpu, u64 guestdest,
+static inline int copy_to_guest(struct kvm_vcpu *vcpu, unsigned long guestdest,
                                const void *from, unsigned long n)
 {
-       u64 prefix  = vcpu->arch.sie_block->prefix;
-       u64 origin  = vcpu->kvm->arch.guest_origin;
-       u64 memsize = vcpu->kvm->arch.guest_memsize;
+       unsigned long prefix  = vcpu->arch.sie_block->prefix;
+       unsigned long origin  = vcpu->kvm->arch.guest_origin;
+       unsigned long memsize = vcpu->kvm->arch.guest_memsize;
 
        if ((guestdest < 2 * PAGE_SIZE) && (guestdest + n > 2 * PAGE_SIZE))
                goto slowpath;
@@ -189,7 +190,8 @@ slowpath:
 }
 
 static inline int __copy_from_guest_slow(struct kvm_vcpu *vcpu, void *to,
-                                        u64 guestsrc, unsigned long n)
+                                        unsigned long guestsrc,
+                                        unsigned long n)
 {
        int rc;
        unsigned long i;
@@ -204,11 +206,11 @@ static inline int __copy_from_guest_slow(struct kvm_vcpu *vcpu, void *to,
 }
 
 static inline int copy_from_guest(struct kvm_vcpu *vcpu, void *to,
-                                 u64 guestsrc, unsigned long n)
+                                 unsigned long guestsrc, unsigned long n)
 {
-       u64 prefix  = vcpu->arch.sie_block->prefix;
-       u64 origin  = vcpu->kvm->arch.guest_origin;
-       u64 memsize = vcpu->kvm->arch.guest_memsize;
+       unsigned long prefix  = vcpu->arch.sie_block->prefix;
+       unsigned long origin  = vcpu->kvm->arch.guest_origin;
+       unsigned long memsize = vcpu->kvm->arch.guest_memsize;
 
        if ((guestsrc < 2 * PAGE_SIZE) && (guestsrc + n > 2 * PAGE_SIZE))
                goto slowpath;
@@ -238,11 +240,12 @@ slowpath:
        return __copy_from_guest_slow(vcpu, to, guestsrc, n);
 }
 
-static inline int copy_to_guest_absolute(struct kvm_vcpu *vcpu, u64 guestdest,
+static inline int copy_to_guest_absolute(struct kvm_vcpu *vcpu,
+                                        unsigned long guestdest,
                                         const void *from, unsigned long n)
 {
-       u64 origin  = vcpu->kvm->arch.guest_origin;
-       u64 memsize = vcpu->kvm->arch.guest_memsize;
+       unsigned long origin  = vcpu->kvm->arch.guest_origin;
+       unsigned long memsize = vcpu->kvm->arch.guest_memsize;
 
        if (guestdest + n > memsize)
                return -EFAULT;
@@ -256,10 +259,11 @@ static inline int copy_to_guest_absolute(struct kvm_vcpu *vcpu, u64 guestdest,
 }
 
 static inline int copy_from_guest_absolute(struct kvm_vcpu *vcpu, void *to,
-                                          u64 guestsrc, unsigned long n)
+                                          unsigned long guestsrc,
+                                          unsigned long n)
 {
-       u64 origin  = vcpu->kvm->arch.guest_origin;
-       u64 memsize = vcpu->kvm->arch.guest_memsize;
+       unsigned long origin  = vcpu->kvm->arch.guest_origin;
+       unsigned long memsize = vcpu->kvm->arch.guest_memsize;
 
        if (guestsrc + n > memsize)
                return -EFAULT;