Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
---
arch/powerpc/include/asm/mmu_context.h | 25 +++++++++++++------------
arch/powerpc/kernel/swsusp.c | 2 +-
arch/powerpc/mm/mmu_context_nohash.c | 3 ++-
drivers/cpufreq/pmac32-cpufreq.c | 2 +-
drivers/macintosh/via-pmu.c | 4 ++--
5 files changed, 19 insertions(+), 17 deletions(-)
diff --git a/arch/powerpc/include/asm/mmu_context.h
b/arch/powerpc/include/asm/mmu_context.h
index 878c27771717..0dd522ff4559 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -33,16 +33,23 @@ extern long mm_iommu_ua_to_hpa(struct
mm_iommu_table_group_mem_t *mem,
extern long mm_iommu_mapped_inc(struct mm_iommu_table_group_mem_t *mem);
extern void mm_iommu_mapped_dec(struct mm_iommu_table_group_mem_t *mem);
#endif
-
-extern void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next);
extern void switch_slb(struct task_struct *tsk, struct mm_struct *mm);
extern void set_context(unsigned long id, pgd_t *pgd);
#ifdef CONFIG_PPC_BOOK3S_64
+static inline void switch_mmu_context(struct mm_struct *prev,
+ struct mm_struct *next,
+ struct task_struct *tsk)
+{
+ return switch_slb(tsk, next);
+}
+
extern int __init_new_context(void);
extern void __destroy_context(int context_id);
static inline void mmu_context_init(void) { }
#else
+extern void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next,
+ struct task_struct *tsk);
extern unsigned long __init_new_context(void);
extern void __destroy_context(unsigned long context_id);
extern void mmu_context_init(void);
@@ -88,17 +95,11 @@ static inline void switch_mm(struct mm_struct *prev, struct
mm_struct *next,
if (cpu_has_feature(CPU_FTR_ALTIVEC))
asm volatile ("dssall");
#endif /* CONFIG_ALTIVEC */
-
- /* The actual HW switching method differs between the various
- * sub architectures.
+ /*
+ * The actual HW switching method differs between the various
+ * sub architectures. Out of line for now
*/
-#ifdef CONFIG_PPC_STD_MMU_64
- switch_slb(tsk, next);
-#else
- /* Out of line for now */
- switch_mmu_context(prev, next);
-#endif
-
+ switch_mmu_context(prev, next, tsk);
}
#define deactivate_mm(tsk,mm) do { } while (0)
diff --git a/arch/powerpc/kernel/swsusp.c b/arch/powerpc/kernel/swsusp.c
index 6669b1752512..6ae9bd5086a4 100644
--- a/arch/powerpc/kernel/swsusp.c
+++ b/arch/powerpc/kernel/swsusp.c
@@ -31,6 +31,6 @@ void save_processor_state(void)
void restore_processor_state(void)
{
#ifdef CONFIG_PPC32
- switch_mmu_context(current->active_mm, current->active_mm);
+ switch_mmu_context(current->active_mm, current->active_mm, NULL);
#endif
}
diff --git a/arch/powerpc/mm/mmu_context_nohash.c
b/arch/powerpc/mm/mmu_context_nohash.c
index 986afbc22c76..a36c43a27893 100644
--- a/arch/powerpc/mm/mmu_context_nohash.c
+++ b/arch/powerpc/mm/mmu_context_nohash.c
@@ -226,7 +226,8 @@ static void context_check_map(void)
static void context_check_map(void) { }
#endif
-void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next)
+void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next,
+ struct task_struct *tsk)
{
unsigned int i, id, cpu = smp_processor_id();
unsigned long *map;
diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c
index 1f49d97a70ea..bde503c66945 100644
--- a/drivers/cpufreq/pmac32-cpufreq.c
+++ b/drivers/cpufreq/pmac32-cpufreq.c
@@ -298,7 +298,7 @@ static int pmu_set_cpu_speed(int low_speed)
_set_L3CR(save_l3cr);
/* Restore userland MMU context */
- switch_mmu_context(NULL, current->active_mm);
+ switch_mmu_context(NULL, current->active_mm, NULL);
#ifdef DEBUG_FREQ
printk(KERN_DEBUG "HID1, after: %x\n", mfspr(SPRN_HID1));
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 01ee736fe0ef..f8b6d1403c16 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -1851,7 +1851,7 @@ static int powerbook_sleep_grackle(void)
_set_L2CR(save_l2cr);
/* Restore userland MMU context */
- switch_mmu_context(NULL, current->active_mm);
+ switch_mmu_context(NULL, current->active_mm, NULL);
/* Power things up */
pmu_unlock();
@@ -1940,7 +1940,7 @@ powerbook_sleep_Core99(void)
_set_L3CR(save_l3cr);
/* Restore userland MMU context */
- switch_mmu_context(NULL, current->active_mm);
+ switch_mmu_context(NULL, current->active_mm, NULL);
/* Tell PMU we are ready */
pmu_unlock();
--
2.5.0
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