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authormerge <null@invalid>2009-01-22 13:55:32 +0000
committerAndy Green <agreen@octopus.localdomain>2009-01-22 13:55:32 +0000
commitaa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch)
treefbb786d0ac6f8a774fd834e9ce951197e60fbffa /arch/blackfin/kernel/process.c
parentf2d78193eae5dccd3d588d2c8ea0866efc368332 (diff)
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage: From: merge <null@invalid> MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage: From: merge <null@invalid> MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage: From: Andy Green <andy@openmoko.com> fix-stray-endmenu.patch Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'arch/blackfin/kernel/process.c')
-rw-r--r--arch/blackfin/kernel/process.c37
1 files changed, 27 insertions, 10 deletions
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 77800dd83e5..33e2e8993f7 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -39,6 +39,7 @@
#include <asm/blackfin.h>
#include <asm/fixed_code.h>
+#include <asm/mem_map.h>
asmlinkage void ret_from_fork(void);
@@ -81,11 +82,14 @@ void cpu_idle(void)__attribute__((l1_text));
*/
static void default_idle(void)
{
- local_irq_disable();
+#ifdef CONFIG_IPIPE
+ ipipe_suspend_domain();
+#endif
+ local_irq_disable_hw();
if (!need_resched())
idle_with_irq_disabled();
- local_irq_enable();
+ local_irq_enable_hw();
}
/*
@@ -154,6 +158,7 @@ pid_t kernel_thread(int (*fn) (void *), void *arg, unsigned long flags)
return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs, 0, NULL,
NULL);
}
+EXPORT_SYMBOL(kernel_thread);
void flush_thread(void)
{
@@ -170,6 +175,13 @@ asmlinkage int bfin_clone(struct pt_regs *regs)
unsigned long clone_flags;
unsigned long newsp;
+#ifdef __ARCH_SYNC_CORE_DCACHE
+ if (current->rt.nr_cpus_allowed == num_possible_cpus()) {
+ current->cpus_allowed = cpumask_of_cpu(smp_processor_id());
+ current->rt.nr_cpus_allowed = 1;
+ }
+#endif
+
/* syscall2 puts clone_flags in r0 and usp in r1 */
clone_flags = regs->r0;
newsp = regs->r1;
@@ -337,22 +349,27 @@ int _access_ok(unsigned long addr, unsigned long size)
if (addr >= (unsigned long)__init_begin &&
addr + size <= (unsigned long)__init_end)
return 1;
- if (addr >= L1_SCRATCH_START
- && addr + size <= L1_SCRATCH_START + L1_SCRATCH_LENGTH)
+ if (addr >= get_l1_scratch_start()
+ && addr + size <= get_l1_scratch_start() + L1_SCRATCH_LENGTH)
return 1;
#if L1_CODE_LENGTH != 0
- if (addr >= L1_CODE_START + (_etext_l1 - _stext_l1)
- && addr + size <= L1_CODE_START + L1_CODE_LENGTH)
+ if (addr >= get_l1_code_start() + (_etext_l1 - _stext_l1)
+ && addr + size <= get_l1_code_start() + L1_CODE_LENGTH)
return 1;
#endif
#if L1_DATA_A_LENGTH != 0
- if (addr >= L1_DATA_A_START + (_ebss_l1 - _sdata_l1)
- && addr + size <= L1_DATA_A_START + L1_DATA_A_LENGTH)
+ if (addr >= get_l1_data_a_start() + (_ebss_l1 - _sdata_l1)
+ && addr + size <= get_l1_data_a_start() + L1_DATA_A_LENGTH)
return 1;
#endif
#if L1_DATA_B_LENGTH != 0
- if (addr >= L1_DATA_B_START
- && addr + size <= L1_DATA_B_START + L1_DATA_B_LENGTH)
+ if (addr >= get_l1_data_b_start() + (_ebss_b_l1 - _sdata_b_l1)
+ && addr + size <= get_l1_data_b_start() + L1_DATA_B_LENGTH)
+ return 1;
+#endif
+#if L2_LENGTH != 0
+ if (addr >= L2_START + (_ebss_l2 - _stext_l2)
+ && addr + size <= L2_START + L2_LENGTH)
return 1;
#endif
return 0;