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Message-Id: <c5549cd59a131204ff94ab909cad2e2dad4ddf2f.1663606876.git.christophe.leroy@csgroup.eu>
Date: Mon, 19 Sep 2022 19:01:39 +0200
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: Michael Ellerman <mpe@...erman.id.au>,
Nicholas Piggin <npiggin@...il.com>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>,
linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v2 15/19] powerpc: Remove CONFIG_PPC_BOOK3E_MMU
CONFIG_PPC_BOOK3E_MMU is redundant with CONFIG_PPC_E500.
Remove it.
Also rename mmu-book3e.h to mmu-e500.h
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
.../include/asm/nohash/{mmu-book3e.h => mmu-e500.h} | 0
arch/powerpc/include/asm/nohash/mmu.h | 4 ++--
arch/powerpc/kernel/cpu_setup_e500.S | 2 +-
arch/powerpc/kernel/entry_32.S | 2 +-
arch/powerpc/kernel/head_booke.h | 4 ++--
arch/powerpc/kernel/kvm.c | 8 ++++----
arch/powerpc/kvm/e500.h | 2 +-
arch/powerpc/mm/nohash/tlb.c | 4 ++--
arch/powerpc/mm/ptdump/Makefile | 2 +-
arch/powerpc/platforms/Kconfig.cputype | 4 ----
10 files changed, 14 insertions(+), 18 deletions(-)
rename arch/powerpc/include/asm/nohash/{mmu-book3e.h => mmu-e500.h} (100%)
diff --git a/arch/powerpc/include/asm/nohash/mmu-book3e.h b/arch/powerpc/include/asm/nohash/mmu-e500.h
similarity index 100%
rename from arch/powerpc/include/asm/nohash/mmu-book3e.h
rename to arch/powerpc/include/asm/nohash/mmu-e500.h
diff --git a/arch/powerpc/include/asm/nohash/mmu.h b/arch/powerpc/include/asm/nohash/mmu.h
index edc793e5f08f..e264be219fdb 100644
--- a/arch/powerpc/include/asm/nohash/mmu.h
+++ b/arch/powerpc/include/asm/nohash/mmu.h
@@ -8,9 +8,9 @@
#elif defined(CONFIG_44x)
/* 44x-style software loaded TLB */
#include <asm/nohash/32/mmu-44x.h>
-#elif defined(CONFIG_PPC_BOOK3E_MMU)
+#elif defined(CONFIG_PPC_E500)
/* Freescale Book-E software loaded TLB or Book-3e (ISA 2.06+) MMU */
-#include <asm/nohash/mmu-book3e.h>
+#include <asm/nohash/mmu-e500.h>
#elif defined (CONFIG_PPC_8xx)
/* Motorola/Freescale 8xx software loaded TLB */
#include <asm/nohash/32/mmu-8xx.h>
diff --git a/arch/powerpc/kernel/cpu_setup_e500.S b/arch/powerpc/kernel/cpu_setup_e500.S
index 058336079069..2ab25161b0ad 100644
--- a/arch/powerpc/kernel/cpu_setup_e500.S
+++ b/arch/powerpc/kernel/cpu_setup_e500.S
@@ -12,7 +12,7 @@
#include <asm/processor.h>
#include <asm/cputable.h>
#include <asm/ppc_asm.h>
-#include <asm/nohash/mmu-book3e.h>
+#include <asm/nohash/mmu-e500.h>
#include <asm/asm-offsets.h>
#include <asm/mpc85xx.h>
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index e6d5fe3a8585..2b5b0677d36c 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -488,7 +488,7 @@ _ASM_NOKPROBE_SYMBOL(interrupt_return)
mtspr SPRN_##exc_lvl_srr0,r9; \
mtspr SPRN_##exc_lvl_srr1,r10;
-#if defined(CONFIG_PPC_BOOK3E_MMU)
+#if defined(CONFIG_PPC_E500)
#ifdef CONFIG_PHYS_64BIT
#define RESTORE_MAS7 \
lwz r11,MAS7(r1); \
diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index 1047dc053b47..1cb9d0f7cbf2 100644
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -242,7 +242,7 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV)
.macro SAVE_MMU_REGS
-#ifdef CONFIG_PPC_BOOK3E_MMU
+#ifdef CONFIG_PPC_E500
mfspr r0,SPRN_MAS0
stw r0,MAS0(r1)
mfspr r0,SPRN_MAS1
@@ -257,7 +257,7 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV)
mfspr r0,SPRN_MAS7
stw r0,MAS7(r1)
#endif /* CONFIG_PHYS_64BIT */
-#endif /* CONFIG_PPC_BOOK3E_MMU */
+#endif /* CONFIG_PPC_E500 */
#ifdef CONFIG_44x
mfspr r0,SPRN_MMUCR
stw r0,MMUCR(r1)
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index 6568823cf306..5b3c093611ba 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -455,7 +455,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features)
kvm_patch_ins_lwz(inst, magic_var(dsisr), inst_rt);
break;
-#ifdef CONFIG_PPC_BOOK3E_MMU
+#ifdef CONFIG_PPC_E500
case KVM_INST_MFSPR(SPRN_MAS0):
if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7)
kvm_patch_ins_lwz(inst, magic_var(mas0), inst_rt);
@@ -484,7 +484,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features)
if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7)
kvm_patch_ins_lwz(inst, magic_var(mas7_3), inst_rt);
break;
-#endif /* CONFIG_PPC_BOOK3E_MMU */
+#endif /* CONFIG_PPC_E500 */
case KVM_INST_MFSPR(SPRN_SPRG4):
#ifdef CONFIG_BOOKE
@@ -557,7 +557,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features)
case KVM_INST_MTSPR(SPRN_DSISR):
kvm_patch_ins_stw(inst, magic_var(dsisr), inst_rt);
break;
-#ifdef CONFIG_PPC_BOOK3E_MMU
+#ifdef CONFIG_PPC_E500
case KVM_INST_MTSPR(SPRN_MAS0):
if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7)
kvm_patch_ins_stw(inst, magic_var(mas0), inst_rt);
@@ -586,7 +586,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features)
if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7)
kvm_patch_ins_stw(inst, magic_var(mas7_3), inst_rt);
break;
-#endif /* CONFIG_PPC_BOOK3E_MMU */
+#endif /* CONFIG_PPC_E500 */
case KVM_INST_MTSPR(SPRN_SPRG4):
if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7)
diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h
index c3ef751465fb..6d0d329cbb35 100644
--- a/arch/powerpc/kvm/e500.h
+++ b/arch/powerpc/kvm/e500.h
@@ -17,7 +17,7 @@
#define KVM_E500_H
#include <linux/kvm_host.h>
-#include <asm/nohash/mmu-book3e.h>
+#include <asm/nohash/mmu-e500.h>
#include <asm/tlb.h>
#include <asm/cputhreads.h>
diff --git a/arch/powerpc/mm/nohash/tlb.c b/arch/powerpc/mm/nohash/tlb.c
index fcb1e5ae5c55..fac59fbd475a 100644
--- a/arch/powerpc/mm/nohash/tlb.c
+++ b/arch/powerpc/mm/nohash/tlb.c
@@ -49,7 +49,7 @@
* other sizes not listed here. The .ind field is only used on MMUs that have
* indirect page table entries.
*/
-#if defined(CONFIG_PPC_BOOK3E_MMU) || defined(CONFIG_PPC_8xx)
+#if defined(CONFIG_PPC_E500) || defined(CONFIG_PPC_8xx)
#ifdef CONFIG_PPC_E500
struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = {
[MMU_PAGE_4K] = {
@@ -142,7 +142,7 @@ static inline int mmu_get_tsize(int psize)
/* This isn't used on !Book3E for now */
return 0;
}
-#endif /* CONFIG_PPC_BOOK3E_MMU */
+#endif /* CONFIG_PPC_E500 */
/* The variables below are currently only used on 64-bit Book3E
* though this will probably be made common with other nohash
diff --git a/arch/powerpc/mm/ptdump/Makefile b/arch/powerpc/mm/ptdump/Makefile
index b533caaf0910..dc896d2874f3 100644
--- a/arch/powerpc/mm/ptdump/Makefile
+++ b/arch/powerpc/mm/ptdump/Makefile
@@ -4,7 +4,7 @@ obj-y += ptdump.o
obj-$(CONFIG_4xx) += shared.o
obj-$(CONFIG_PPC_8xx) += 8xx.o
-obj-$(CONFIG_PPC_BOOK3E_MMU) += shared.o
+obj-$(CONFIG_PPC_E500) += shared.o
obj-$(CONFIG_PPC_BOOK3S_32) += shared.o
obj-$(CONFIG_PPC_BOOK3S_64) += book3s64.o
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 32c60ad8f45d..1746d19d058f 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -466,10 +466,6 @@ config PPC_MMU_NOHASH
def_bool y
depends on !PPC_BOOK3S
-config PPC_BOOK3E_MMU
- def_bool y
- depends on PPC_85xx || PPC_BOOK3E_64
-
config PPC_HAVE_PMU_SUPPORT
bool
--
2.37.1
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