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authorChristophe Leroy <christophe.leroy@csgroup.eu>2021-06-07 10:56:05 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2021-06-17 00:09:10 +1000
commite72421a085a8dc81c71b0daeb89612279c2c621c (patch)
tree103b9b6aa59da2c354365c2717539e54d2cc6c41 /arch/powerpc/kernel/head_44x.S
parentpowerpc: Define empty_zero_page[] in C (diff)
downloadlinux-dev-e72421a085a8dc81c71b0daeb89612279c2c621c.tar.xz
linux-dev-e72421a085a8dc81c71b0daeb89612279c2c621c.zip
powerpc: Define swapper_pg_dir[] in C
Don't duplicate swapper_pg_dir[] in each platform's head.S Define it in mm/pgtable.c Define MAX_PTRS_PER_PGD because on book3s/64 PTRS_PER_PGD is not a constant. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/5e3f1b8a4695c33ccc80aa3870e016bef32b85e1.1623063174.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/head_44x.S')
-rw-r--r--arch/powerpc/kernel/head_44x.S17
1 files changed, 1 insertions, 16 deletions
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index e037eb615757..ddc978a2d381 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -1233,23 +1233,8 @@ head_start_common:
isync
blr
-/*
- * We put a few things here that have to be page-aligned. This stuff
- * goes at the beginning of the data segment, which is page-aligned.
- */
- .data
- .align PAGE_SHIFT
- .globl sdata
-sdata:
-
-/*
- * To support >32-bit physical addresses, we use an 8KB pgdir.
- */
- .globl swapper_pg_dir
-swapper_pg_dir:
- .space PGD_TABLE_SIZE
-
#ifdef CONFIG_SMP
+ .data
.align 12
temp_boot_stack:
.space 1024