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-rw-r--r--arch/s390/kvm/gaccess.h21
-rw-r--r--arch/s390/kvm/intercept.c4
-rw-r--r--arch/s390/kvm/interrupt.c36
-rw-r--r--arch/s390/kvm/priv.c22
4 files changed, 42 insertions, 41 deletions
diff --git a/arch/s390/kvm/gaccess.h b/arch/s390/kvm/gaccess.h
index 8608d7e6a33..302e0e52b00 100644
--- a/arch/s390/kvm/gaccess.h
+++ b/arch/s390/kvm/gaccess.h
@@ -18,8 +18,9 @@
#include <asm/uaccess.h>
#include "kvm-s390.h"
-static inline void *__gptr_to_uptr(struct kvm_vcpu *vcpu, void *gptr,
- int prefixing)
+static inline void __user *__gptr_to_uptr(struct kvm_vcpu *vcpu,
+ void __user *gptr,
+ int prefixing)
{
unsigned long prefix = vcpu->arch.sie_block->prefix;
unsigned long gaddr = (unsigned long) gptr;
@@ -34,14 +35,14 @@ static inline void *__gptr_to_uptr(struct kvm_vcpu *vcpu, void *gptr,
uaddr = gmap_fault(gaddr, vcpu->arch.gmap);
if (IS_ERR_VALUE(uaddr))
uaddr = -EFAULT;
- return (void *)uaddr;
+ return (void __user *)uaddr;
}
#define get_guest(vcpu, x, gptr) \
({ \
__typeof__(gptr) __uptr = __gptr_to_uptr(vcpu, gptr, 1);\
int __mask = sizeof(__typeof__(*(gptr))) - 1; \
- int __ret = PTR_RET(__uptr); \
+ int __ret = PTR_RET((void __force *)__uptr); \
\
if (!__ret) { \
BUG_ON((unsigned long)__uptr & __mask); \
@@ -54,7 +55,7 @@ static inline void *__gptr_to_uptr(struct kvm_vcpu *vcpu, void *gptr,
({ \
__typeof__(gptr) __uptr = __gptr_to_uptr(vcpu, gptr, 1);\
int __mask = sizeof(__typeof__(*(gptr))) - 1; \
- int __ret = PTR_RET(__uptr); \
+ int __ret = PTR_RET((void __force *)__uptr); \
\
if (!__ret) { \
BUG_ON((unsigned long)__uptr & __mask); \
@@ -68,19 +69,19 @@ static inline int __copy_guest(struct kvm_vcpu *vcpu, unsigned long to,
int to_guest, int prefixing)
{
unsigned long _len, rc;
- void *uptr;
+ void __user *uptr;
while (len) {
- uptr = to_guest ? (void *)to : (void *)from;
+ uptr = to_guest ? (void __user *)to : (void __user *)from;
uptr = __gptr_to_uptr(vcpu, uptr, prefixing);
- if (IS_ERR(uptr))
+ if (IS_ERR((void __force *)uptr))
return -EFAULT;
_len = PAGE_SIZE - ((unsigned long)uptr & (PAGE_SIZE - 1));
_len = min(_len, len);
if (to_guest)
- rc = copy_to_user(uptr, (void *)from, _len);
+ rc = copy_to_user((void __user *) uptr, (void *)from, _len);
else
- rc = copy_from_user((void *)to, uptr, _len);
+ rc = copy_from_user((void *)to, (void __user *)uptr, _len);
if (rc)
return -EFAULT;
len -= _len;
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index 64744003a66..c6ba4dfd7f1 100644
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -44,7 +44,7 @@ static int handle_lctlg(struct kvm_vcpu *vcpu)
do {
rc = get_guest(vcpu, vcpu->arch.sie_block->gcr[reg],
- (u64 *) useraddr);
+ (u64 __user *) useraddr);
if (rc) {
kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
break;
@@ -78,7 +78,7 @@ static int handle_lctl(struct kvm_vcpu *vcpu)
reg = reg1;
do {
- rc = get_guest(vcpu, val, (u32 *) useraddr);
+ rc = get_guest(vcpu, val, (u32 __user *) useraddr);
if (rc) {
kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
break;
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index d78824b18e9..5c948177529 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -188,9 +188,9 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
vcpu->stat.deliver_emergency_signal++;
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
inti->emerg.code, 0);
- rc = put_guest(vcpu, 0x1201, (u16 *)__LC_EXT_INT_CODE);
+ rc = put_guest(vcpu, 0x1201, (u16 __user *)__LC_EXT_INT_CODE);
rc |= put_guest(vcpu, inti->emerg.code,
- (u16 *)__LC_EXT_CPU_ADDR);
+ (u16 __user *)__LC_EXT_CPU_ADDR);
rc |= copy_to_guest(vcpu, __LC_EXT_OLD_PSW,
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
rc |= copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw,
@@ -201,9 +201,9 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
vcpu->stat.deliver_external_call++;
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
inti->extcall.code, 0);
- rc = put_guest(vcpu, 0x1202, (u16 *)__LC_EXT_INT_CODE);
+ rc = put_guest(vcpu, 0x1202, (u16 __user *)__LC_EXT_INT_CODE);
rc |= put_guest(vcpu, inti->extcall.code,
- (u16 *)__LC_EXT_CPU_ADDR);
+ (u16 __user *)__LC_EXT_CPU_ADDR);
rc |= copy_to_guest(vcpu, __LC_EXT_OLD_PSW,
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
rc |= copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw,
@@ -215,13 +215,13 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
vcpu->stat.deliver_service_signal++;
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
inti->ext.ext_params, 0);
- rc = put_guest(vcpu, 0x2401, (u16 *)__LC_EXT_INT_CODE);
+ rc = put_guest(vcpu, 0x2401, (u16 __user *)__LC_EXT_INT_CODE);
rc |= copy_to_guest(vcpu, __LC_EXT_OLD_PSW,
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
rc |= copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw,
__LC_EXT_NEW_PSW, sizeof(psw_t));
rc |= put_guest(vcpu, inti->ext.ext_params,
- (u32 *)__LC_EXT_PARAMS);
+ (u32 __user *)__LC_EXT_PARAMS);
break;
case KVM_S390_INT_VIRTIO:
VCPU_EVENT(vcpu, 4, "interrupt: virtio parm:%x,parm64:%llx",
@@ -230,16 +230,16 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
inti->ext.ext_params,
inti->ext.ext_params2);
- rc = put_guest(vcpu, 0x2603, (u16 *)__LC_EXT_INT_CODE);
- rc |= put_guest(vcpu, 0x0d00, (u16 *)__LC_EXT_CPU_ADDR);
+ rc = put_guest(vcpu, 0x2603, (u16 __user *)__LC_EXT_INT_CODE);
+ rc |= put_guest(vcpu, 0x0d00, (u16 __user *)__LC_EXT_CPU_ADDR);
rc |= copy_to_guest(vcpu, __LC_EXT_OLD_PSW,
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
rc |= copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw,
__LC_EXT_NEW_PSW, sizeof(psw_t));
rc |= put_guest(vcpu, inti->ext.ext_params,
- (u32 *)__LC_EXT_PARAMS);
+ (u32 __user *)__LC_EXT_PARAMS);
rc |= put_guest(vcpu, inti->ext.ext_params2,
- (u64 *)__LC_EXT_PARAMS2);
+ (u64 __user *)__LC_EXT_PARAMS2);
break;
case KVM_S390_SIGP_STOP:
VCPU_EVENT(vcpu, 4, "%s", "interrupt: cpu stop");
@@ -278,9 +278,9 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
vcpu->stat.deliver_program_int++;
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
inti->pgm.code, 0);
- rc = put_guest(vcpu, inti->pgm.code, (u16 *)__LC_PGM_INT_CODE);
+ rc = put_guest(vcpu, inti->pgm.code, (u16 __user *)__LC_PGM_INT_CODE);
rc |= put_guest(vcpu, table[vcpu->arch.sie_block->ipa >> 14],
- (u16 *)__LC_PGM_ILC);
+ (u16 __user *)__LC_PGM_ILC);
rc |= copy_to_guest(vcpu, __LC_PGM_OLD_PSW,
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
rc |= copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw,
@@ -295,7 +295,7 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
inti->mchk.mcic);
rc = kvm_s390_vcpu_store_status(vcpu,
KVM_S390_STORE_STATUS_PREFIXED);
- rc |= put_guest(vcpu, inti->mchk.mcic, (u64 *) __LC_MCCK_CODE);
+ rc |= put_guest(vcpu, inti->mchk.mcic, (u64 __user *) __LC_MCCK_CODE);
rc |= copy_to_guest(vcpu, __LC_MCK_OLD_PSW,
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
rc |= copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw,
@@ -313,13 +313,13 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
trace_kvm_s390_deliver_interrupt(vcpu->vcpu_id, inti->type,
param0, param1);
rc = put_guest(vcpu, inti->io.subchannel_id,
- (u16 *) __LC_SUBCHANNEL_ID);
+ (u16 __user *) __LC_SUBCHANNEL_ID);
rc |= put_guest(vcpu, inti->io.subchannel_nr,
- (u16 *) __LC_SUBCHANNEL_NR);
+ (u16 __user *) __LC_SUBCHANNEL_NR);
rc |= put_guest(vcpu, inti->io.io_int_parm,
- (u32 *) __LC_IO_INT_PARM);
+ (u32 __user *) __LC_IO_INT_PARM);
rc |= put_guest(vcpu, inti->io.io_int_word,
- (u32 *) __LC_IO_INT_WORD);
+ (u32 __user *) __LC_IO_INT_WORD);
rc |= copy_to_guest(vcpu, __LC_IO_OLD_PSW,
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
rc |= copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw,
@@ -344,7 +344,7 @@ static int __try_deliver_ckc_interrupt(struct kvm_vcpu *vcpu)
return 0;
if (!(vcpu->arch.sie_block->gcr[0] & 0x800ul))
return 0;
- rc = put_guest(vcpu, 0x1004, (u16 *)__LC_EXT_INT_CODE);
+ rc = put_guest(vcpu, 0x1004, (u16 __user *)__LC_EXT_INT_CODE);
rc |= copy_to_guest(vcpu, __LC_EXT_OLD_PSW,
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
rc |= copy_from_guest(vcpu, &vcpu->arch.sie_block->gpsw,
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index d64382c1ed6..7db2ad076f3 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -42,7 +42,7 @@ static int handle_set_prefix(struct kvm_vcpu *vcpu)
}
/* get the value */
- if (get_guest(vcpu, address, (u32 *) operand2)) {
+ if (get_guest(vcpu, address, (u32 __user *) operand2)) {
kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
goto out;
}
@@ -83,7 +83,7 @@ static int handle_store_prefix(struct kvm_vcpu *vcpu)
address = address & 0x7fffe000u;
/* get the value */
- if (put_guest(vcpu, address, (u32 *)operand2)) {
+ if (put_guest(vcpu, address, (u32 __user *)operand2)) {
kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
goto out;
}
@@ -108,7 +108,7 @@ static int handle_store_cpu_address(struct kvm_vcpu *vcpu)
goto out;
}
- rc = put_guest(vcpu, vcpu->vcpu_id, (u16 *)useraddr);
+ rc = put_guest(vcpu, vcpu->vcpu_id, (u16 __user *)useraddr);
if (rc) {
kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
goto out;
@@ -149,18 +149,18 @@ static int handle_tpi(struct kvm_vcpu *vcpu)
* Store the two-word I/O interruption code into the
* provided area.
*/
- put_guest(vcpu, inti->io.subchannel_id, (u16 *) addr);
- put_guest(vcpu, inti->io.subchannel_nr, (u16 *) (addr + 2));
- put_guest(vcpu, inti->io.io_int_parm, (u32 *) (addr + 4));
+ put_guest(vcpu, inti->io.subchannel_id, (u16 __user *) addr);
+ put_guest(vcpu, inti->io.subchannel_nr, (u16 __user *) (addr + 2));
+ put_guest(vcpu, inti->io.io_int_parm, (u32 __user *) (addr + 4));
} else {
/*
* Store the three-word I/O interruption code into
* the appropriate lowcore area.
*/
- put_guest(vcpu, inti->io.subchannel_id, (u16 *) __LC_SUBCHANNEL_ID);
- put_guest(vcpu, inti->io.subchannel_nr, (u16 *) __LC_SUBCHANNEL_NR);
- put_guest(vcpu, inti->io.io_int_parm, (u32 *) __LC_IO_INT_PARM);
- put_guest(vcpu, inti->io.io_int_word, (u32 *) __LC_IO_INT_WORD);
+ put_guest(vcpu, inti->io.subchannel_id, (u16 __user *) __LC_SUBCHANNEL_ID);
+ put_guest(vcpu, inti->io.subchannel_nr, (u16 __user *) __LC_SUBCHANNEL_NR);
+ put_guest(vcpu, inti->io.io_int_parm, (u32 __user *) __LC_IO_INT_PARM);
+ put_guest(vcpu, inti->io.io_int_word, (u32 __user *) __LC_IO_INT_WORD);
}
kfree(inti);
no_interrupt:
@@ -353,7 +353,7 @@ static int handle_stidp(struct kvm_vcpu *vcpu)
goto out;
}
- rc = put_guest(vcpu, vcpu->arch.stidp_data, (u64 *)operand2);
+ rc = put_guest(vcpu, vcpu->arch.stidp_data, (u64 __user *)operand2);
if (rc) {
kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
goto out;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-11 13:31:26 +0000