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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2016-04-29 23:26:01 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2016-05-01 18:33:04 +1000
commitd2adba3fd137b46903dad813e2a4777b96c85e0f (patch)
tree42f883e56fd897d308ec1e3620e5d4692425da8e /drivers
parentd9225ad923514252ec8d10dac67e5a7a2f0aa345 (diff)
powerpc/mm: Abstraction for switch_mmu_context()
How we switch MMU context differs between hash and radix. For hash we need to switch the SLB details and for radix we need to switch the PID SPR. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/cpufreq/pmac32-cpufreq.c2
-rw-r--r--drivers/macintosh/via-pmu.c4
2 files changed, 3 insertions, 3 deletions
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();