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-rw-r--r--arch/arm/mm/context.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index bc4a5e9ebb78..7a0511191f6b 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -34,6 +34,9 @@
* The ASID is used to tag entries in the CPU caches and TLBs.
* The context ID is used by debuggers and trace logic, and
* should be unique within all running processes.
+ *
+ * In big endian operation, the two 32 bit words are swapped if accesed by
+ * non 64-bit operations.
*/
#define ASID_FIRST_VERSION (1ULL << ASID_BITS)
#define NUM_USER_ASIDS (ASID_FIRST_VERSION - 1)