aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm64/mm/proc.S
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/arm64/mm/proc.S10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 2db1c491d45d..0cf86b17714c 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -450,7 +450,15 @@ ENTRY(__cpu_setup)
ldr x10, =TCR_TxSZ(VA_BITS) | TCR_CACHE_FLAGS | TCR_SMP_FLAGS | \
TCR_TG_FLAGS | TCR_KASLR_FLAGS | TCR_ASID16 | \
TCR_TBI0 | TCR_A1
- tcr_set_idmap_t0sz x10, x9
+
+#ifdef CONFIG_ARM64_52BIT_VA
+ ldr_l x9, vabits_user
+ sub x9, xzr, x9
+ add x9, x9, #64
+#else
+ ldr_l x9, idmap_t0sz
+#endif
+ tcr_set_t0sz x10, x9
/*
* Set the IPS bits in TCR_EL1.