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-rw-r--r--arch/powerpc/mm/book3s64/pkeys.c20
1 files changed, 5 insertions, 15 deletions
diff --git a/arch/powerpc/mm/book3s64/pkeys.c b/arch/powerpc/mm/book3s64/pkeys.c
index 15dcc5ad91c5..a2d9ad138709 100644
--- a/arch/powerpc/mm/book3s64/pkeys.c
+++ b/arch/powerpc/mm/book3s64/pkeys.c
@@ -301,19 +301,6 @@ void setup_kuap(bool disabled)
}
#endif
-static inline void update_current_thread_amr(u64 value)
-{
- current->thread.regs->amr = value;
-}
-
-static inline void update_current_thread_iamr(u64 value)
-{
- if (!likely(pkey_execute_disable_supported))
- return;
-
- current->thread.regs->iamr = value;
-}
-
#ifdef CONFIG_PPC_MEM_KEYS
void pkey_mm_init(struct mm_struct *mm)
{
@@ -328,7 +315,7 @@ static inline void init_amr(int pkey, u8 init_bits)
u64 new_amr_bits = (((u64)init_bits & 0x3UL) << pkeyshift(pkey));
u64 old_amr = current_thread_amr() & ~((u64)(0x3ul) << pkeyshift(pkey));
- update_current_thread_amr(old_amr | new_amr_bits);
+ current->thread.regs->amr = old_amr | new_amr_bits;
}
static inline void init_iamr(int pkey, u8 init_bits)
@@ -336,7 +323,10 @@ static inline void init_iamr(int pkey, u8 init_bits)
u64 new_iamr_bits = (((u64)init_bits & 0x1UL) << pkeyshift(pkey));
u64 old_iamr = current_thread_iamr() & ~((u64)(0x1ul) << pkeyshift(pkey));
- update_current_thread_iamr(old_iamr | new_iamr_bits);
+ if (!likely(pkey_execute_disable_supported))
+ return;
+
+ current->thread.regs->iamr = old_iamr | new_iamr_bits;
}
/*