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Diffstat (limited to 'arch/s390/include/asm/entry-common.h')
-rw-r--r--arch/s390/include/asm/entry-common.h16
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/s390/include/asm/entry-common.h b/arch/s390/include/asm/entry-common.h
index eabab24b71dd..000de2b1e67a 100644
--- a/arch/s390/include/asm/entry-common.h
+++ b/arch/s390/include/asm/entry-common.h
@@ -9,19 +9,21 @@
#include <linux/uaccess.h>
#include <asm/timex.h>
#include <asm/fpu/api.h>
+#include <asm/pai.h>
#define ARCH_EXIT_TO_USER_MODE_WORK (_TIF_GUARDED_STORAGE | _TIF_PER_TRAP)
void do_per_trap(struct pt_regs *regs);
-#ifdef CONFIG_DEBUG_ENTRY
-static __always_inline void arch_check_user_regs(struct pt_regs *regs)
+static __always_inline void arch_enter_from_user_mode(struct pt_regs *regs)
{
- debug_user_asce(0);
+ if (IS_ENABLED(CONFIG_DEBUG_ENTRY))
+ debug_user_asce(0);
+
+ pai_kernel_enter(regs);
}
-#define arch_check_user_regs arch_check_user_regs
-#endif /* CONFIG_DEBUG_ENTRY */
+#define arch_enter_from_user_mode arch_enter_from_user_mode
static __always_inline void arch_exit_to_user_mode_work(struct pt_regs *regs,
unsigned long ti_work)
@@ -44,6 +46,8 @@ static __always_inline void arch_exit_to_user_mode(void)
if (IS_ENABLED(CONFIG_DEBUG_ENTRY))
debug_user_asce(1);
+
+ pai_kernel_exit(current_pt_regs());
}
#define arch_exit_to_user_mode arch_exit_to_user_mode
@@ -58,7 +62,7 @@ static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs,
static inline bool on_thread_stack(void)
{
- return !(((unsigned long)(current->stack) ^ current_stack_pointer()) & ~(THREAD_SIZE - 1));
+ return !(((unsigned long)(current->stack) ^ current_stack_pointer) & ~(THREAD_SIZE - 1));
}
#endif