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authorHeiko Carstens <heiko.carstens@de.ibm.com>2009-06-12 12:26:25 +0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-06-12 12:27:30 +0400
commit7757591ab4a36314a258e181dbf0994415c288c2 (patch)
tree99b414c90dbc7889f7738a795122805f167a00af /arch/s390/kernel/ptrace.c
parentd90cbd469c9c7c1494fc2084af9319e6a557368b (diff)
downloadlinux-7757591ab4a36314a258e181dbf0994415c288c2.tar.xz
[S390] implement is_compat_task
Implement is_compat_task and use it all over the place. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/ptrace.c')
-rw-r--r--arch/s390/kernel/ptrace.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 75c496f4f16d..99eef179e903 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -36,7 +36,7 @@
#include <linux/elf.h>
#include <linux/regset.h>
#include <linux/tracehook.h>
-
+#include <linux/compat.h>
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgtable.h>
@@ -69,7 +69,7 @@ FixPerRegisters(struct task_struct *task)
if (per_info->single_step) {
per_info->control_regs.bits.starting_addr = 0;
#ifdef CONFIG_COMPAT
- if (test_thread_flag(TIF_31BIT))
+ if (is_compat_task())
per_info->control_regs.bits.ending_addr = 0x7fffffffUL;
else
#endif
@@ -482,8 +482,7 @@ static int peek_user_compat(struct task_struct *child,
{
__u32 tmp;
- if (!test_thread_flag(TIF_31BIT) ||
- (addr & 3) || addr > sizeof(struct user) - 3)
+ if (!is_compat_task() || (addr & 3) || addr > sizeof(struct user) - 3)
return -EIO;
tmp = __peek_user_compat(child, addr);
@@ -584,8 +583,7 @@ static int __poke_user_compat(struct task_struct *child,
static int poke_user_compat(struct task_struct *child,
addr_t addr, addr_t data)
{
- if (!test_thread_flag(TIF_31BIT) ||
- (addr & 3) || addr > sizeof(struct user32) - 3)
+ if (!is_compat_task() || (addr & 3) || addr > sizeof(struct user32) - 3)
return -EIO;
return __poke_user_compat(child, addr, data);
@@ -660,7 +658,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
}
if (unlikely(current->audit_context))
- audit_syscall_entry(test_thread_flag(TIF_31BIT) ?
+ audit_syscall_entry(is_compat_task() ?
AUDIT_ARCH_S390 : AUDIT_ARCH_S390X,
regs->gprs[2], regs->orig_gpr2,
regs->gprs[3], regs->gprs[4],