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s390: move system_call field from thread_info to thread_struct

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The system_call field in thread_info structure is used by the signal
code to store the number of the current system call while the debugger
interacts with its inferior. A better location for the system_call
field is with the other debugger related information in the
thread_struct.

Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2016-11-08 11:11:02 +01:00
parent d5c352cdd0
commit f8fc82b471
4 changed files with 9 additions and 8 deletions
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4
arch/s390/kernel/ptrace.c
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@ -1113,7 +1113,7 @@ static int s390_system_call_get(struct task_struct *target,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
unsigned int *data = &task_thread_info(target)->system_call;
unsigned int *data = &target->thread.system_call;
return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
data, 0, sizeof(unsigned int));
}
@ -1123,7 +1123,7 @@ static int s390_system_call_set(struct task_struct *target,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
unsigned int *data = &task_thread_info(target)->system_call;
unsigned int *data = &target->thread.system_call;
return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
data, 0, sizeof(unsigned int));
}