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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2007-10-22 12:52:45 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2007-10-22 12:52:48 +0200
commit6f3fa3f0eb8fe4675f8543dd4be3365577e1d487 (patch)
tree16a7f3b1f8e47a19c4907e7b3ef4b095626aad41
parentba8a9229ab9e80278c28ad68b15053f65b2b0a7c (diff)
[S390] Remove unused user_seg from thread structure.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/kernel/process.c2
-rw-r--r--include/asm-s390/processor.h14
2 files changed, 3 insertions, 13 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index cc7c4ba0774..96492cf2d49 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -270,14 +270,12 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp,
save_fp_regs(&current->thread.fp_regs);
memcpy(&p->thread.fp_regs, &current->thread.fp_regs,
sizeof(s390_fp_regs));
- p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _SEGMENT_TABLE;
/* Set a new TLS ? */
if (clone_flags & CLONE_SETTLS)
p->thread.acrs[0] = regs->gprs[6];
#else /* CONFIG_64BIT */
/* Save the fpu registers to new thread structure. */
save_fp_regs(&p->thread.fp_regs);
- p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _REGION_TABLE;
/* Set a new TLS ? */
if (clone_flags & CLONE_SETTLS) {
if (test_thread_flag(TIF_31BIT)) {
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 3b972d4c6b2..81efccc6394 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -93,7 +93,6 @@ struct thread_struct {
s390_fp_regs fp_regs;
unsigned int acrs[NUM_ACRS];
unsigned long ksp; /* kernel stack pointer */
- unsigned long user_seg; /* HSTD */
mm_segment_t mm_segment;
unsigned long prot_addr; /* address of protection-excep. */
unsigned int error_code; /* error-code of last prog-excep. */
@@ -134,16 +133,9 @@ struct stack_frame {
# define __SWAPPER_PG_DIR __pa(&swapper_pg_dir[0]) + _REGION_TABLE
#endif /* __s390x__ */
-#define INIT_THREAD {{0,{{0},{0},{0},{0},{0},{0},{0},{0},{0},{0}, \
- {0},{0},{0},{0},{0},{0}}}, \
- {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, \
- sizeof(init_stack) + (unsigned long) &init_stack, \
- __SWAPPER_PG_DIR, \
- {0}, \
- 0,0,0, \
- (per_struct) {{{{0,}}},0,0,0,0,{{0,}}}, \
- 0, 0 \
-}
+#define INIT_THREAD { \
+ .ksp = sizeof(init_stack) + (unsigned long) &init_stack, \
+}
/*
* Do necessary setup to start up a new thread.