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-rw-r--r--arch/arm64/kernel/head.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 917d98108b3f..53b9f9f128c2 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -421,6 +421,7 @@ __mmap_switched:
adr_l x2, __bss_stop
sub x2, x2, x0
bl __pi_memset
+ dsb ishst // Make zero page visible to PTW
adr_l sp, initial_sp, x4
mov x4, sp