summaryrefslogtreecommitdiffstats
path: root/arch/sh/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/kernel')
-rw-r--r--arch/sh/kernel/cpu/sh5/entry.S14
-rw-r--r--arch/sh/kernel/entry-common.S27
-rw-r--r--arch/sh/kernel/machine_kexec.c2
-rw-r--r--arch/sh/kernel/ptrace_64.c2
-rw-r--r--arch/sh/kernel/setup.c6
-rw-r--r--arch/sh/kernel/sys_sh.c2
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 04c7da96814..e640c63d581 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 0bc17def55a..efbb4268875 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 4703dff174d..94df56b0d1f 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 5922edd416d..9c6424892bd 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 a35207655e7..de832056bf1 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 59cd2859ce9..9061b86d73f 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,