X-Git-Url: http://git.agner.ch/gitweb/?a=blobdiff_plain;f=arch%2Fcris%2Farch-v32%2Fmm%2Ftlb.c;h=c2d12e9c40d79a2e5720837bdaca10bebd07693c;hb=7baca6ad0ef09c8a78d798c93a3ce25336e8f50f;hp=8233406798d3d99a87e741a0889b269ccda8f7cd;hpb=1703ecc7e88ea2d583fc9ebe7de8edb004eff863;p=linux-drm-fsl-dcu.git

diff --git a/arch/cris/arch-v32/mm/tlb.c b/arch/cris/arch-v32/mm/tlb.c
index 8233406798d3..c2d12e9c40d7 100644
--- a/arch/cris/arch-v32/mm/tlb.c
+++ b/arch/cris/arch-v32/mm/tlb.c
@@ -54,8 +54,7 @@ __flush_tlb_all(void)
 	 * Mask with 0xf so similar TLB entries aren't written in the same 4-way
 	 * entry group.
 	 */
-	local_save_flags(flags);
-	local_irq_disable();
+	local_irq_save(flags);
 
 	for (mmu = 1; mmu <= 2; mmu++) {
 		SUPP_BANK_SEL(mmu); /* Select the MMU */
@@ -92,8 +91,7 @@ __flush_tlb_mm(struct mm_struct *mm)
 		return;
 
 	/* Mark the TLB entries that match the page_id as invalid. */
-	local_save_flags(flags);
-	local_irq_disable();
+	local_irq_save(flags);
 
 	for (mmu = 1; mmu <= 2; mmu++) {
 		SUPP_BANK_SEL(mmu);
@@ -140,8 +138,7 @@ __flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
 	 * Invalidate those TLB entries that match both the mm context and the
 	 * requested virtual address.
 	 */
-	local_save_flags(flags);
-	local_irq_disable();
+	local_irq_save(flags);
 
 	for (mmu = 1; mmu <= 2; mmu++) {
 		SUPP_BANK_SEL(mmu);
@@ -175,6 +172,8 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 	return 0;
 }
 
+static DEFINE_SPINLOCK(mmu_context_lock);
+
 /* Called in schedule() just before actually doing the switch_to. */
 void
 switch_mm(struct mm_struct *prev, struct mm_struct *next,
@@ -183,10 +182,10 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
 	int cpu = smp_processor_id();
 
 	/* Make sure there is a MMU context. */
-	spin_lock(&next->page_table_lock);
+	spin_lock(&mmu_context_lock);
 	get_mmu_context(next);
 	cpu_set(cpu, next->cpu_vm_mask);
-	spin_unlock(&next->page_table_lock);
+	spin_unlock(&mmu_context_lock);
 
 	/*
 	 * Remember the pgd for the fault handlers. Keep a seperate copy of it
@@ -196,9 +195,9 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
 	per_cpu(current_pgd, cpu) = next->pgd;
 
 	/* Switch context in the MMU. */
-        if (tsk && tsk->thread_info)
+        if (tsk && task_thread_info(tsk))
         {
-          SPEC_REG_WR(SPEC_REG_PID, next->context.page_id | tsk->thread_info->tls);
+          SPEC_REG_WR(SPEC_REG_PID, next->context.page_id | task_thread_info(tsk)->tls);
         }
         else
         {