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powerpc: use CONFIG_EXECMEM instead of CONFIG_MODULES where appropriate

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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>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
This commit is contained in:
Mike Rapoport (IBM) 2024-05-05 19:06:26 +03:00 committed by Luis Chamberlain
parent 14e56fb2ed
commit 0a956d52e6
6 changed files with 9 additions and 9 deletions
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2
arch/powerpc/Kconfig
View File

@ -286,7 +286,7 @@ 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

2
arch/powerpc/include/asm/kasan.h
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@ -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

4
arch/powerpc/kernel/head_8xx.S
View File

@ -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

6
arch/powerpc/kernel/head_book3s_32.S
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@ -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 */

2
arch/powerpc/lib/code-patching.c
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@ -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;

2
arch/powerpc/mm/book3s32/mmu.c
View File

@ -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;