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Subject[PATCH v2 01/12] powerpc/32s: Move setup_{kuep/kuap}() into {kuep/kuap}.c
Date
Avoids the #ifdef in mmu.c

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/mm/book3s32/Makefile | 1 +
arch/powerpc/mm/book3s32/kuap.c | 11 +++++++++++
arch/powerpc/mm/book3s32/kuep.c | 8 ++++++++
arch/powerpc/mm/book3s32/mmu.c | 20 --------------------
4 files changed, 20 insertions(+), 20 deletions(-)
create mode 100644 arch/powerpc/mm/book3s32/kuap.c

diff --git a/arch/powerpc/mm/book3s32/Makefile b/arch/powerpc/mm/book3s32/Makefile
index 7f0c8a78ba0c..15f4773643d2 100644
--- a/arch/powerpc/mm/book3s32/Makefile
+++ b/arch/powerpc/mm/book3s32/Makefile
@@ -10,3 +10,4 @@ obj-y += mmu.o mmu_context.o
obj-$(CONFIG_PPC_BOOK3S_603) += nohash_low.o
obj-$(CONFIG_PPC_BOOK3S_604) += hash_low.o tlb.o
obj-$(CONFIG_PPC_KUEP) += kuep.o
+obj-$(CONFIG_PPC_KUAP) += kuap.o
diff --git a/arch/powerpc/mm/book3s32/kuap.c b/arch/powerpc/mm/book3s32/kuap.c
new file mode 100644
index 000000000000..1df55392878e
--- /dev/null
+++ b/arch/powerpc/mm/book3s32/kuap.c
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <asm/kup.h>
+
+void __init setup_kuap(bool disabled)
+{
+ pr_info("Activating Kernel Userspace Access Protection\n");
+
+ if (disabled)
+ pr_warn("KUAP cannot be disabled yet on 6xx when compiled in\n");
+}
diff --git a/arch/powerpc/mm/book3s32/kuep.c b/arch/powerpc/mm/book3s32/kuep.c
index 8ed1b8634839..6eafe7b2b031 100644
--- a/arch/powerpc/mm/book3s32/kuep.c
+++ b/arch/powerpc/mm/book3s32/kuep.c
@@ -38,3 +38,11 @@ void kuep_unlock(void)
{
kuep_update(mfsr(0) & ~SR_NX);
}
+
+void __init setup_kuep(bool disabled)
+{
+ pr_info("Activating Kernel Userspace Execution Prevention\n");
+
+ if (disabled)
+ pr_warn("KUEP cannot be disabled yet on 6xx when compiled in\n");
+}
diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c
index 159930351d9f..27061583a010 100644
--- a/arch/powerpc/mm/book3s32/mmu.c
+++ b/arch/powerpc/mm/book3s32/mmu.c
@@ -445,26 +445,6 @@ void __init print_system_hash_info(void)
pr_info("Hash_mask = 0x%lx\n", Hash_mask);
}

-#ifdef CONFIG_PPC_KUEP
-void __init setup_kuep(bool disabled)
-{
- pr_info("Activating Kernel Userspace Execution Prevention\n");
-
- if (disabled)
- pr_warn("KUEP cannot be disabled yet on 6xx when compiled in\n");
-}
-#endif
-
-#ifdef CONFIG_PPC_KUAP
-void __init setup_kuap(bool disabled)
-{
- pr_info("Activating Kernel Userspace Access Protection\n");
-
- if (disabled)
- pr_warn("KUAP cannot be disabled yet on 6xx when compiled in\n");
-}
-#endif
-
void __init early_init_mmu(void)
{
}
--
2.25.0
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