Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (130 commits)
  [ARM] 3856/1: Add clocksource for Intel IXP4xx platforms
  [ARM] 3855/1: Add generic time support
  [ARM] 3873/1: S3C24XX: Add irq_chip names
  [ARM] 3872/1: S3C24XX: Apply consistant tabbing to irq_chips
  [ARM] 3871/1: S3C24XX: Fix ordering of EINT4..23
  [ARM] nommu: confirms the CR_V bit in nommu mode
  [ARM] nommu: abort handler fixup for !CPU_CP15_MMU cores.
  [ARM] 3870/1: AT91: Start removing static memory mappings
  [ARM] 3869/1: AT91: NAND support for DK and KB9202 boards
  [ARM] 3868/1: AT91 hardware header update
  [ARM] 3867/1: AT91 GPIO update
  [ARM] 3866/1: AT91 clock update
  [ARM] 3865/1: AT91RM9200 header updates
  [ARM] 3862/2: S3C2410 - add basic power management support for AML M5900 series
  [ARM] kthread: switch arch/arm/kernel/apm.c
  [ARM] Off-by-one in arch/arm/common/icst*
  [ARM] 3864/1: Refactore sharpsl_pm
  [ARM] 3863/1: Add Locomo SPI Device
  [ARM] 3847/2:  Convert LOMOMO to use struct device for GPIOs
  [ARM] Use CPU_CACHE_* where possible in asm/cacheflush.h
  ...

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
new file mode 100644
index 00000000000..79e80020242
--- /dev/null
+++ b/arch/arm/mm/context.c
@@ -0,0 +1,45 @@
+/*
+ *  linux/arch/arm/mm/context.c
+ *
+ *  Copyright (C) 2002-2003 Deep Blue Solutions Ltd, all rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+
+#include <asm/mmu_context.h>
+#include <asm/tlbflush.h>
+
+unsigned int cpu_last_asid = { 1 << ASID_BITS };
+
+/*
+ * We fork()ed a process, and we need a new context for the child
+ * to run in.  We reserve version 0 for initial tasks so we will
+ * always allocate an ASID.
+ */
+void __init_new_context(struct task_struct *tsk, struct mm_struct *mm)
+{
+	mm->context.id = 0;
+}
+
+void __new_context(struct mm_struct *mm)
+{
+	unsigned int asid;
+
+	asid = ++cpu_last_asid;
+	if (asid == 0)
+		asid = cpu_last_asid = 1 << ASID_BITS;
+
+	/*
+	 * If we've used up all our ASIDs, we need
+	 * to start a new version and flush the TLB.
+	 */
+	if ((asid & ~ASID_MASK) == 0)
+		flush_tlb_all();
+
+	mm->context.id = asid;
+}