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-rw-r--r--arch/powerpc/include/asm/kup.h2
-rw-r--r--arch/powerpc/include/asm/uaccess.h4
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/kup.h b/arch/powerpc/include/asm/kup.h
index dab63b82a8d4..f2009d7c8cfa 100644
--- a/arch/powerpc/include/asm/kup.h
+++ b/arch/powerpc/include/asm/kup.h
@@ -134,7 +134,6 @@ static __always_inline void kuap_assert_locked(void)
static __always_inline void allow_read_from_user(const void __user *from, unsigned long size)
{
- barrier_nospec();
allow_user_access(NULL, from, size, KUAP_READ);
}
@@ -146,7 +145,6 @@ static __always_inline void allow_write_to_user(void __user *to, unsigned long s
static __always_inline void allow_read_write_user(void __user *to, const void __user *from,
unsigned long size)
{
- barrier_nospec();
allow_user_access(to, from, size, KUAP_READ_WRITE);
}
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 784a00e681fa..3e622e647d62 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -301,6 +301,7 @@ do { \
__typeof__(sizeof(*(ptr))) __gu_size = sizeof(*(ptr)); \
\
might_fault(); \
+ barrier_nospec(); \
allow_read_from_user(__gu_addr, __gu_size); \
__get_user_size_allowed(__gu_val, __gu_addr, __gu_size, __gu_err); \
prevent_read_from_user(__gu_addr, __gu_size); \
@@ -329,6 +330,7 @@ raw_copy_in_user(void __user *to, const void __user *from, unsigned long n)
{
unsigned long ret;
+ barrier_nospec();
allow_read_write_user(to, from, n);
ret = __copy_tofrom_user(to, from, n);
prevent_read_write_user(to, from, n);
@@ -415,6 +417,7 @@ static __must_check __always_inline bool user_access_begin(const void __user *pt
might_fault();
+ barrier_nospec();
allow_read_write_user((void __user *)ptr, ptr, len);
return true;
}
@@ -431,6 +434,7 @@ user_read_access_begin(const void __user *ptr, size_t len)
might_fault();
+ barrier_nospec();
allow_read_from_user(ptr, len);
return true;
}