Subject: [PATCH 02/17] arm64: Fix outdated TCR setup comment

From: Marc Zyngier <[email-masked]>
Date: Mon, 28 Dec 2020 10:49:43 +0000

The arm64 kernel has long be able to use more than 39bit VAs.
Since day one, actually. Let's rewrite the offending comment.

Signed-off-by: Marc Zyngier <[email-masked]>
---
 arch/arm64/mm/proc.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 37a54b57178a..80832ba33ce7 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -464,8 +464,8 @@ SYM_FUNC_START(__cpu_setup)
 #endif
 	msr	mair_el1, x5
 	/*
-	 * Set/prepare TCR and TTBR. We use 512GB (39-bit) address range for
-	 * both user and kernel.
+	 * Set/prepare TCR and TTBR. TCR_EL1.T1SZ gets further
+	 * adjusted if the kernel is compiled with 52bit VA support.
 	 */
 	mov_q	x10, TCR_TxSZ(VA_BITS) | TCR_CACHE_FLAGS | TCR_SMP_FLAGS | \
 			TCR_TG_FLAGS | TCR_KASLR_FLAGS | TCR_ASID16 | \
-- 
2.29.2

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