s390: remove is_32bit_task() helper

is_32bit_task() used to be helpful when we still had CONFIG_32BIT.
Since that is gone, it is nowadays identical to is_compat_task().
So remove it.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index d350ed9..352f7bd 100644 (file)
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -284,7 +284,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 
 static inline int is_compat_task(void)
 {
-       return is_32bit_task();
+       return test_thread_flag(TIF_31BIT);
 }
 
 static inline void __user *arch_compat_alloc_user_space(long len)

diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 7730e5b..fabebe1 100644 (file)
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -126,6 +126,7 @@ typedef s390_regs elf_gregset_t;
 typedef s390_fp_regs compat_elf_fpregset_t;
 typedef s390_compat_regs compat_elf_gregset_t;
 
+#include <linux/compat.h>
 #include <linux/sched.h>       /* for task_struct */
 #include <asm/mmu_context.h>
 
@@ -159,7 +160,7 @@ extern unsigned int vdso_enabled;
    the loader.  We need to make sure that it is out of the way of the program
    that it will "exec", and that there is sufficient room for the brk. 64-bit
    tasks are aligned to 4GB. */
-#define ELF_ET_DYN_BASE (is_32bit_task() ? \
+#define ELF_ET_DYN_BASE (is_compat_task() ? \
                                (STACK_TOP / 3 * 2) : \
                                (STACK_TOP / 3 * 2) & ~((1UL << 32) - 1))
 
@@ -212,9 +213,9 @@ do {                                                                \
  * of up to 1GB. For 31-bit processes the virtual address space is limited,
  * use no alignment and limit the randomization to 8MB.
  */
-#define BRK_RND_MASK   (is_32bit_task() ? 0x7ffUL : 0x3ffffUL)
-#define MMAP_RND_MASK  (is_32bit_task() ? 0x7ffUL : 0x3ff80UL)
-#define MMAP_ALIGN_MASK        (is_32bit_task() ? 0 : 0x7fUL)
+#define BRK_RND_MASK   (is_compat_task() ? 0x7ffUL : 0x3ffffUL)
+#define MMAP_RND_MASK  (is_compat_task() ? 0x7ffUL : 0x3ff80UL)
+#define MMAP_ALIGN_MASK        (is_compat_task() ? 0 : 0x7fUL)
 #define STACK_RND_MASK MMAP_RND_MASK
 
 #define ARCH_DLINFO                                                        \

diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 692b924..2fffc2c 100644 (file)
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -96,6 +96,4 @@ void arch_release_task_struct(struct task_struct *tsk);
 #define _TIF_31BIT             _BITUL(TIF_31BIT)
 #define _TIF_SINGLE_STEP       _BITUL(TIF_SINGLE_STEP)
 
-#define is_32bit_task()                (test_thread_flag(TIF_31BIT))
-
 #endif /* _ASM_THREAD_INFO_H */