linux-kernel - [PATCH] arm64: Fix PIE_E1 mapping for _PAGE_READONLY

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Message-Id: <20251227070625.217349-1-sgsu.park@samsung.com>
Date: Sat, 27 Dec 2025 16:06:25 +0900
From: Seongsu Park <sgsu.park@...sung.com>
To: catalin.marinas@....com, will@...nel.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Seongsu Park <sgsu.park@...sung.com>
Subject: [PATCH] arm64: Fix PIE_E1 mapping for _PAGE_READONLY_EXEC

_PAGE_READONLY_EXEC should map to PIE_RX instead of PIE_R in PIE_E1

Signed-off-by: Seongsu Park <sgsu.park@...sung.com>
---
 arch/arm64/include/asm/pgtable-prot.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h
index 161e8660eddd..ca14f61dee81 100644
--- a/arch/arm64/include/asm/pgtable-prot.h
+++ b/arch/arm64/include/asm/pgtable-prot.h
@@ -180,7 +180,7 @@ static inline bool __pure lpa2_is_enabled(void)
 	PIRx_ELx_PERM_PREP(pte_pi_index(_PAGE_GCS),           PIE_NONE_O) | \
 	PIRx_ELx_PERM_PREP(pte_pi_index(_PAGE_GCS_RO),        PIE_NONE_O) | \
 	PIRx_ELx_PERM_PREP(pte_pi_index(_PAGE_EXECONLY),      PIE_NONE_O) | \
-	PIRx_ELx_PERM_PREP(pte_pi_index(_PAGE_READONLY_EXEC), PIE_R)      | \
+	PIRx_ELx_PERM_PREP(pte_pi_index(_PAGE_READONLY_EXEC), PIE_RX)     | \
 	PIRx_ELx_PERM_PREP(pte_pi_index(_PAGE_SHARED_EXEC),   PIE_RW)     | \
 	PIRx_ELx_PERM_PREP(pte_pi_index(_PAGE_READONLY),      PIE_R)      | \
 	PIRx_ELx_PERM_PREP(pte_pi_index(_PAGE_SHARED),        PIE_RW)     | \
-- 
2.25.1