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authorChristophe Leroy <christophe.leroy@csgroup.eu>2021-06-03 12:29:02 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2021-06-16 17:09:09 +0300
commit25910260ff69fa0c37e26541aac4e8f978e1f17f (patch)
treede3b6847d0d81ba4853e34b7f53ed93b441d8d37 /arch/powerpc/kernel/head_44x.S
parent240efd717c415e69511780044f44416bdf161523 (diff)
downloadlinux-25910260ff69fa0c37e26541aac4e8f978e1f17f.tar.xz
powerpc/nohash: Refactor update of BDI2000 pointers in switch_mmu_context()
Instead of duplicating the update of BDI2000 pointers in set_context(), do it directly from switch_mmu_context(). Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/4c54997edd3548fa54717915e7c6ebaf60f208c0.1622712515.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/head_44x.S')
-rw-r--r--arch/powerpc/kernel/head_44x.S16
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 2cfb496df615..76c84acd9086 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -789,15 +789,6 @@ _GLOBAL(__fixup_440A_mcheck)
blr
_GLOBAL(set_context)
-
-#ifdef CONFIG_BDI_SWITCH
- /* Context switch the PTE pointer for the Abatron BDI2000.
- * The PGDIR is the second parameter.
- */
- lis r5, abatron_pteptrs@h
- ori r5, r5, abatron_pteptrs@l
- stw r4, 0x4(r5)
-#endif
mtspr SPRN_PID,r3
isync /* Force context change */
blr
@@ -1267,13 +1258,6 @@ EXPORT_SYMBOL(empty_zero_page)
swapper_pg_dir:
.space PGD_TABLE_SIZE
-/*
- * Room for two PTE pointers, usually the kernel and current user pointers
- * to their respective root page table.
- */
-abatron_pteptrs:
- .space 8
-
#ifdef CONFIG_SMP
.align 12
temp_boot_stack: