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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /arch/arm64/mm/context.c
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'arch/arm64/mm/context.c')
-rw-r--r--arch/arm64/mm/context.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c
index 76c1e6cd3..d70ff14db 100644
--- a/arch/arm64/mm/context.c
+++ b/arch/arm64/mm/context.c
@@ -53,8 +53,6 @@ static void flush_context(void)
__flush_icache_all();
}
-#ifdef CONFIG_SMP
-
static void set_mm_context(struct mm_struct *mm, unsigned int asid)
{
unsigned long flags;
@@ -110,23 +108,12 @@ static void reset_context(void *info)
cpu_switch_mm(mm->pgd, mm);
}
-#else
-
-static inline void set_mm_context(struct mm_struct *mm, unsigned int asid)
-{
- mm->context.id = asid;
- cpumask_copy(mm_cpumask(mm), cpumask_of(smp_processor_id()));
-}
-
-#endif
-
void __new_context(struct mm_struct *mm)
{
unsigned int asid;
unsigned int bits = asid_bits();
raw_spin_lock(&cpu_asid_lock);
-#ifdef CONFIG_SMP
/*
* Check the ASID again, in case the change was broadcast from another
* CPU before we acquired the lock.
@@ -136,7 +123,6 @@ void __new_context(struct mm_struct *mm)
raw_spin_unlock(&cpu_asid_lock);
return;
}
-#endif
/*
* At this point, it is guaranteed that the current mm (with an old
* ASID) isn't active on any other CPU since the ASIDs are changed
@@ -155,10 +141,8 @@ void __new_context(struct mm_struct *mm)
cpu_last_asid = ASID_FIRST_VERSION;
asid = cpu_last_asid + smp_processor_id();
flush_context();
-#ifdef CONFIG_SMP
smp_wmb();
smp_call_function(reset_context, NULL, 1);
-#endif
cpu_last_asid += NR_CPUS - 1;
}