[PATCH v1 06/20] powerpc/32s: Make Hash var static
Christophe Leroy
christophe.leroy at csgroup.eu
Thu Oct 22 17:29:31 AEDT 2020
Hash var is used only locally in mmu.c now.
No need to set it in head_32.S anymore.
Make it static and initialises it to the early hash table.
Signed-off-by: Christophe Leroy <christophe.leroy at csgroup.eu>
---
arch/powerpc/kernel/head_book3s_32.S | 5 -----
arch/powerpc/mm/book3s32/mmu.c | 2 +-
arch/powerpc/mm/mmu_decl.h | 1 -
3 files changed, 1 insertion(+), 7 deletions(-)
diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S
index 5eb9eedac920..620af1dda70c 100644
--- a/arch/powerpc/kernel/head_book3s_32.S
+++ b/arch/powerpc/kernel/head_book3s_32.S
@@ -155,9 +155,7 @@ __after_mmu_off:
bl initial_bats
bl load_segment_registers
-BEGIN_MMU_FTR_SECTION
bl early_hash_table
-END_MMU_FTR_SECTION_IFSET(MMU_FTR_HPTE_TABLE)
#if defined(CONFIG_BOOTX_TEXT)
bl setup_disp_bat
#endif
@@ -931,9 +929,6 @@ early_hash_table:
lis r6, early_hash - PAGE_OFFSET at h
ori r6, r6, 3 /* 256kB table */
mtspr SPRN_SDR1, r6
- lis r6, early_hash at h
- lis r3, Hash at ha
- stw r6, Hash at l(r3)
blr
load_up_mmu:
diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c
index 6612d2a9a1ff..c0c0f2a50f86 100644
--- a/arch/powerpc/mm/book3s32/mmu.c
+++ b/arch/powerpc/mm/book3s32/mmu.c
@@ -33,7 +33,7 @@
u8 __initdata early_hash[SZ_256K] __aligned(SZ_256K) = {0};
-struct hash_pte *Hash;
+static struct hash_pte *Hash = (struct hash_pte *)early_hash;
static unsigned long Hash_size, Hash_mask;
unsigned long _SDR1;
static unsigned int hash_mb, hash_mb2;
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index 1b6d39e9baed..900da3ae03db 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -101,7 +101,6 @@ extern int __map_without_bats;
extern unsigned int rtas_data, rtas_size;
struct hash_pte;
-extern struct hash_pte *Hash;
extern u8 early_hash[];
#endif /* CONFIG_PPC32 */
--
2.25.0
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