[S390] Remove unused user_seg from thread structure.

[Linux Kernel Mailing List]

Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6f3fa3f0eb8fe4675f8543dd4be3365577e1d487
Commit:     6f3fa3f0eb8fe4675f8543dd4be3365577e1d487
Parent:     ba8a9229ab9e80278c28ad68b15053f65b2b0a7c
Author:     Martin Schwidefsky <[EMAIL PROTECTED]>
AuthorDate: Mon Oct 22 12:52:45 2007 +0200
Committer:  Martin Schwidefsky <[EMAIL PROTECTED]>
CommitDate: Mon Oct 22 12:52:48 2007 +0200

    [S390] Remove unused user_seg from thread structure.
    
    Signed-off-by: Martin Schwidefsky <[EMAIL PROTECTED]>
---
 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(&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 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.
-
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