Merge branch 'at91' into devel

6 files changed, 12 insertions, 41 deletions

diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index 04c7da968146..e640c63d5811 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -2,7 +2,7 @@
  * arch/sh/kernel/cpu/sh5/entry.S
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
- * Copyright (C) 2004 - 2007  Paul Mundt
+ * Copyright (C) 2004 - 2008  Paul Mundt
  * Copyright (C) 2003, 2004  Richard Curnow
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -923,6 +923,8 @@ ret_from_exception:
         blink   tr0, ZERO
 
 resume_kernel:
+        CLI()
+
         pta     restore_all, tr0
 
         getcon  KCR0, r6
@@ -939,19 +941,11 @@ need_resched:
         andi    r7, 0xf0, r7
         bne     r7, ZERO, tr0
 
-        movi    ((PREEMPT_ACTIVE >> 16) & 65535), r8
-        shori   (PREEMPT_ACTIVE & 65535), r8
-        st.l    r6, TI_PRE_COUNT, r8
-
-        STI()
-        movi    schedule, r7
+        movi    preempt_schedule_irq, r7
         ori     r7, 1, r7
         ptabs   r7, tr1
         blink   tr1, LINK
 
-        st.l    r6, TI_PRE_COUNT, ZERO
-        CLI()
-
         pta     need_resched, tr1
         blink   tr1, ZERO
 #endif
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 0bc17def55a7..efbb4268875e 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -92,6 +92,7 @@ ENTRY(ret_from_irq)
         bra     resume_userspace
          nop
 ENTRY(resume_kernel)
+        cli
         mov.l   @(TI_PRE_COUNT,r8), r0  ! current_thread_info->preempt_count
         tst     r0, r0
         bf      noresched
@@ -105,28 +106,9 @@ need_resched:
         and     #0xf0, r0               ! interrupts off (exception path)?
         cmp/eq  #0xf0, r0
         bt      noresched
-
-        mov.l   1f, r0
-        mov.l   r0, @(TI_PRE_COUNT,r8)
-
-#ifdef CONFIG_TRACE_IRQFLAGS
         mov.l   3f, r0
-        jsr     @r0
-         nop
-#endif
-        sti
-        mov.l   2f, r0
-        jsr     @r0
-         nop
-        mov     #0, r0
-        mov.l   r0, @(TI_PRE_COUNT,r8)
-        cli
-#ifdef CONFIG_TRACE_IRQFLAGS
-        mov.l   4f, r0
-        jsr     @r0
+        jsr     @r0                     ! call preempt_schedule_irq
          nop
-#endif
-
         bra     need_resched
          nop
 
@@ -137,10 +119,7 @@ noresched:
         .align 2
 1:      .long   PREEMPT_ACTIVE
 2:      .long   schedule
-#ifdef CONFIG_TRACE_IRQFLAGS
-3:      .long   trace_hardirqs_on
-4:      .long   trace_hardirqs_off
-#endif
+3:      .long   preempt_schedule_irq
 #endif
 
 ENTRY(resume_userspace)
diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c
index 4703dff174d5..94df56b0d1f6 100644
--- a/arch/sh/kernel/machine_kexec.c
+++ b/arch/sh/kernel/machine_kexec.c
@@ -102,7 +102,7 @@ void machine_kexec(struct kimage *image)
 
         /* now call it */
         rnk = (relocate_new_kernel_t) reboot_code_buffer;
-        (*rnk)(page_list, reboot_code_buffer, image->start, vbr_reg);
+        (*rnk)(page_list, reboot_code_buffer, P2SEGADDR(image->start), vbr_reg);
 }
 
 void arch_crash_save_vmcoreinfo(void)
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 5922edd416db..9c6424892bd3 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -131,6 +131,8 @@ void user_enable_single_step(struct task_struct *child)
 
 void user_disable_single_step(struct task_struct *child)
 {
+        struct pt_regs *regs = child->thread.uregs;
+
         regs->sr &= ~SR_SSTEP;
 }
 
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index a35207655e7b..de832056bf1b 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -171,6 +171,7 @@ static void __init reserve_crashkernel(void)
                                 (unsigned long)(free_mem >> 20));
                 crashk_res.start = crash_base;
                 crashk_res.end   = crash_base + crash_size - 1;
+                insert_resource(&iomem_resource, &crashk_res);
         }
 }
 #else
@@ -204,11 +205,6 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
         request_resource(res, &data_resource);
         request_resource(res, &bss_resource);
 
-#ifdef CONFIG_KEXEC
-        if (crashk_res.start != crashk_res.end)
-                request_resource(res, &crashk_res);
-#endif
-
         add_active_range(nid, start_pfn, end_pfn);
 }
 
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 59cd2859ce9b..9061b86d73fa 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -170,7 +170,7 @@ asmlinkage int sys_ipc(uint call, int first, int second,
         version = call >> 16; /* hack for backward compatibility */
         call &= 0xffff;
 
-        if (call <= SEMCTL)
+        if (call <= SEMTIMEDOP)
                 switch (call) {
                 case SEMOP:
                         return sys_semtimedop(first,