[PATCH v3 17/25] arm64: enable POE and PIE to coexist
Joey Gouly
joey.gouly at arm.com
Fri Nov 24 08:35:02 PST 2023
Set the EL0/userspace indirection encodings to be the overlay enabled
variants of the permissions.
Signed-off-by: Joey Gouly <joey.gouly at arm.com>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will at kernel.org>
---
arch/arm64/include/asm/pgtable-prot.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h
index e9624f6326dd..3007208e04aa 100644
--- a/arch/arm64/include/asm/pgtable-prot.h
+++ b/arch/arm64/include/asm/pgtable-prot.h
@@ -137,10 +137,10 @@ extern bool arm64_use_ng_mappings;
#define PIE_E0 ( \
PIRx_ELx_PERM(pte_pi_index(_PAGE_EXECONLY), PIE_X_O) | \
- PIRx_ELx_PERM(pte_pi_index(_PAGE_READONLY_EXEC), PIE_RX) | \
- PIRx_ELx_PERM(pte_pi_index(_PAGE_SHARED_EXEC), PIE_RWX) | \
- PIRx_ELx_PERM(pte_pi_index(_PAGE_READONLY), PIE_R) | \
- PIRx_ELx_PERM(pte_pi_index(_PAGE_SHARED), PIE_RW))
+ PIRx_ELx_PERM(pte_pi_index(_PAGE_READONLY_EXEC), PIE_RX_O) | \
+ PIRx_ELx_PERM(pte_pi_index(_PAGE_SHARED_EXEC), PIE_RWX_O) | \
+ PIRx_ELx_PERM(pte_pi_index(_PAGE_READONLY), PIE_R_O) | \
+ PIRx_ELx_PERM(pte_pi_index(_PAGE_SHARED), PIE_RW_O))
#define PIE_E1 ( \
PIRx_ELx_PERM(pte_pi_index(_PAGE_EXECONLY), PIE_NONE_O) | \
--
2.25.1
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