diff mbox series

[v4,13/15] powerpc: use CONFIG_EXECMEM instead of CONFIG_MODULES where appropiate

Message ID 20240411160051.2093261-14-rppt@kernel.org (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series mm: jit/text allocator | expand

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Commit Message

Mike Rapoport April 11, 2024, 4 p.m. UTC 
From: "Mike Rapoport (IBM)" <rppt@kernel.org>

There are places where CONFIG_MODULES guards the code that depends on
memory allocation being done with module_alloc().

Replace CONFIG_MODULES with CONFIG_EXECMEM in such places.

Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
---
 arch/powerpc/Kconfig                 | 2 +-
 arch/powerpc/include/asm/kasan.h     | 2 +-
 arch/powerpc/kernel/head_8xx.S       | 4 ++--
 arch/powerpc/kernel/head_book3s_32.S | 6 +++---
 arch/powerpc/lib/code-patching.c     | 2 +-
 arch/powerpc/mm/book3s32/mmu.c       | 2 +-
 6 files changed, 9 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 1c4be3373686..2e586733a464 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -285,7 +285,7 @@  config PPC
 	select IOMMU_HELPER			if PPC64
 	select IRQ_DOMAIN
 	select IRQ_FORCED_THREADING
-	select KASAN_VMALLOC			if KASAN && MODULES
+	select KASAN_VMALLOC			if KASAN && EXECMEM
 	select LOCK_MM_AND_FIND_VMA
 	select MMU_GATHER_PAGE_SIZE
 	select MMU_GATHER_RCU_TABLE_FREE
diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h
index 365d2720097c..b5bbb94c51f6 100644
--- a/arch/powerpc/include/asm/kasan.h
+++ b/arch/powerpc/include/asm/kasan.h
@@ -19,7 +19,7 @@ 
 
 #define KASAN_SHADOW_SCALE_SHIFT	3
 
-#if defined(CONFIG_MODULES) && defined(CONFIG_PPC32)
+#if defined(CONFIG_EXECMEM) && defined(CONFIG_PPC32)
 #define KASAN_KERN_START	ALIGN_DOWN(PAGE_OFFSET - SZ_256M, SZ_256M)
 #else
 #define KASAN_KERN_START	PAGE_OFFSET
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index 647b0b445e89..edc479a7c2bc 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -199,12 +199,12 @@  instruction_counter:
 	mfspr	r10, SPRN_SRR0	/* Get effective address of fault */
 	INVALIDATE_ADJACENT_PAGES_CPU15(r10, r11)
 	mtspr	SPRN_MD_EPN, r10
-#ifdef CONFIG_MODULES
+#ifdef CONFIG_EXECMEM
 	mfcr	r11
 	compare_to_kernel_boundary r10, r10
 #endif
 	mfspr	r10, SPRN_M_TWB	/* Get level 1 table */
-#ifdef CONFIG_MODULES
+#ifdef CONFIG_EXECMEM
 	blt+	3f
 	rlwinm	r10, r10, 0, 20, 31
 	oris	r10, r10, (swapper_pg_dir - PAGE_OFFSET)@ha
diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S
index c1d89764dd22..57196883a00e 100644
--- a/arch/powerpc/kernel/head_book3s_32.S
+++ b/arch/powerpc/kernel/head_book3s_32.S
@@ -419,14 +419,14 @@  InstructionTLBMiss:
  */
 	/* Get PTE (linux-style) and check access */
 	mfspr	r3,SPRN_IMISS
-#ifdef CONFIG_MODULES
+#ifdef CONFIG_EXECMEM
 	lis	r1, TASK_SIZE@h		/* check if kernel address */
 	cmplw	0,r1,r3
 #endif
 	mfspr	r2, SPRN_SDR1
 	li	r1,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC
 	rlwinm	r2, r2, 28, 0xfffff000
-#ifdef CONFIG_MODULES
+#ifdef CONFIG_EXECMEM
 	li	r0, 3
 	bgt-	112f
 	lis	r2, (swapper_pg_dir - PAGE_OFFSET)@ha	/* if kernel address, use */
@@ -442,7 +442,7 @@  InstructionTLBMiss:
 	andc.	r1,r1,r2		/* check access & ~permission */
 	bne-	InstructionAddressInvalid /* return if access not permitted */
 	/* Convert linux-style PTE to low word of PPC-style PTE */
-#ifdef CONFIG_MODULES
+#ifdef CONFIG_EXECMEM
 	rlwimi	r2, r0, 0, 31, 31	/* userspace ? -> PP lsb */
 #endif
 	ori	r1, r1, 0xe06		/* clear out reserved bits */
diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c
index c6ab46156cda..7af791446ddf 100644
--- a/arch/powerpc/lib/code-patching.c
+++ b/arch/powerpc/lib/code-patching.c
@@ -225,7 +225,7 @@  void __init poking_init(void)
 
 static unsigned long get_patch_pfn(void *addr)
 {
-	if (IS_ENABLED(CONFIG_MODULES) && is_vmalloc_or_module_addr(addr))
+	if (IS_ENABLED(CONFIG_EXECMEM) && is_vmalloc_or_module_addr(addr))
 		return vmalloc_to_pfn(addr);
 	else
 		return __pa_symbol(addr) >> PAGE_SHIFT;
diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c
index 100f999871bc..625fe7d08e06 100644
--- a/arch/powerpc/mm/book3s32/mmu.c
+++ b/arch/powerpc/mm/book3s32/mmu.c
@@ -184,7 +184,7 @@  unsigned long __init mmu_mapin_ram(unsigned long base, unsigned long top)
 
 static bool is_module_segment(unsigned long addr)
 {
-	if (!IS_ENABLED(CONFIG_MODULES))
+	if (!IS_ENABLED(CONFIG_EXECMEM))
 		return false;
 	if (addr < ALIGN_DOWN(MODULES_VADDR, SZ_256M))
 		return false;