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arm64: mm: Support Common Not Private translations
[sfrench/cifs-2.6.git]
/
arch
/
arm64
/
mm
/
context.c
diff --git
a/arch/arm64/mm/context.c
b/arch/arm64/mm/context.c
index c127f94da8e2854bc3a3156f4dbe31126618c559..a65af49e12e74a156befe6cdb4b3823efae9c5cd 100644
(file)
--- a/
arch/arm64/mm/context.c
+++ b/
arch/arm64/mm/context.c
@@
-196,6
+196,9
@@
void check_and_switch_context(struct mm_struct *mm, unsigned int cpu)
unsigned long flags;
u64 asid, old_active_asid;
+ if (system_supports_cnp())
+ cpu_set_reserved_ttbr0();
+
asid = atomic64_read(&mm->context.id);
/*