From 6f3fa3f0eb8fe4675f8543dd4be3365577e1d487 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Mon, 22 Oct 2007 12:52:45 +0200 Subject: [S390] Remove unused user_seg from thread structure. Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/process.c | 2 -- include/asm-s390/processor.h | 14 +++----------- 2 files changed, 3 insertions(+), 13 deletions(-) diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index cc7c4ba..96492cf 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(¤t->thread.fp_regs); memcpy(&p->thread.fp_regs, ¤t->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 3b972d4..81efccc 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. -- cgit v1.1