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authorChristophe Leroy <christophe.leroy@csgroup.eu>2020-10-22 06:29:31 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2020-12-09 16:46:54 +1100
commit4b74a35fc7e9b8efd9067b8a365bab0fefe889ff (patch)
treef7d4d03ef6924b26fbbbcaadf62a19c1106699d3 /arch/powerpc
parent4cc445b4ff456f3a3997c321d7a353360feea04f (diff)
powerpc/32s: Make Hash var static
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@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/786c82a89cdfdaabb32b72a44f7c312fa81d192b.1603348103.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/kernel/head_book3s_32.S5
-rw-r--r--arch/powerpc/mm/book3s32/mmu.c2
-rw-r--r--arch/powerpc/mm/mmu_decl.h1
3 files changed, 1 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S
index a93c75ca8c8e..b102eca44874 100644
--- a/arch/powerpc/kernel/head_book3s_32.S
+++ b/arch/powerpc/kernel/head_book3s_32.S
@@ -155,10 +155,8 @@ __after_mmu_off:
bl initial_bats
bl load_segment_registers
-BEGIN_MMU_FTR_SECTION
bl reloc_offset
bl early_hash_table
-END_MMU_FTR_SECTION_IFSET(MMU_FTR_HPTE_TABLE)
#if defined(CONFIG_BOOTX_TEXT)
bl setup_disp_bat
#endif
@@ -922,9 +920,6 @@ early_hash_table:
lis r6, early_hash - PAGE_OFFSET@h
ori r6, r6, 3 /* 256kB table */
mtspr SPRN_SDR1, r6
- lis r6, early_hash@h
- addis r3, r3, Hash@ha
- stw r6, Hash@l(r3)
blr
load_up_mmu:
diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c
index 98d08697f3a9..4e01b7ec1dbe 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 0ad6d476d01d..8326eab2321c 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -99,7 +99,6 @@ 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 */