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-rw-r--r--arch/arm64/mm/proc.S3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index cdd754e19b9b..d2c2e3b6c0f9 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -202,7 +202,8 @@ ENTRY(__cpu_setup)
mov x0, #3 << 20
msr cpacr_el1, x0 // Enable FP/ASIMD
- msr mdscr_el1, xzr // Reset mdscr_el1
+ mov x0, #1 << 12 // Reset mdscr_el1 and disable
+ msr mdscr_el1, x0 // access to the DCC from EL0
/*
* Memory region attributes for LPAE:
*