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Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/entry-common.h5
-rw-r--r--arch/s390/include/asm/processor.h7
2 files changed, 7 insertions, 5 deletions
diff --git a/arch/s390/include/asm/entry-common.h b/arch/s390/include/asm/entry-common.h
index 000de2b1e67a..fdd319a622b0 100644
--- a/arch/s390/include/asm/entry-common.h
+++ b/arch/s390/include/asm/entry-common.h
@@ -60,9 +60,4 @@ static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs,
#define arch_exit_to_user_mode_prepare arch_exit_to_user_mode_prepare
-static inline bool on_thread_stack(void)
-{
- return !(((unsigned long)(current->stack) ^ current_stack_pointer) & ~(THREAD_SIZE - 1));
-}
-
#endif
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 80ac0c1034dc..efffc28cbad8 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -226,6 +226,13 @@ static __always_inline unsigned long __current_stack_pointer(void)
return sp;
}
+static __always_inline bool on_thread_stack(void)
+{
+ unsigned long ksp = S390_lowcore.kernel_stack;
+
+ return !((ksp ^ current_stack_pointer) & ~(THREAD_SIZE - 1));
+}
+
static __always_inline unsigned short stap(void)
{
unsigned short cpu_address;