xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

KVM: s390: Change guestaddr type in gaccess

Browse Source 
All registers are unsigned long types. This patch changes all occurences
of guestaddr in gaccess from u64 to unsigned long.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Martin Schwidefsky
2008-07-25 15:51:00 +02:00
committed by Avi Kivity
parent 99e65c92f2
commit 0096369daa
3 changed files with 37 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
arch/s390/kvm/gaccess.h
View File

@@ -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;