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* [PATCH] powerpc/mm: Desintegrate MMU_FTR_PPCAS_ARCH_V2
@ 2020-10-12  8:04 Christophe Leroy
  0 siblings, 0 replies; only message in thread
From: Christophe Leroy @ 2020-10-12  8:04 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
  Cc: linuxppc-dev, linux-kernel

MMU_FTR_PPCAS_ARCH_V2 is defined in cpu_table.h
as MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE.

MMU_FTR_TLBIEL and MMU_FTR_16M_PAGE are defined in mmu.h

MMU_FTR_PPCAS_ARCH_V2 is used only in mmu.h and it is used only once.

Remove MMU_FTR_PPCAS_ARCH_V2 and use
directly MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/powerpc/include/asm/cputable.h | 2 --
 arch/powerpc/include/asm/mmu.h      | 3 +--
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index accdc1286f37..d88bcb79f16d 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -220,8 +220,6 @@ static inline void cpu_feature_keys_init(void) { }
 
 #define CPU_FTR_PPCAS_ARCH_V2	(CPU_FTR_NOEXECUTE)
 
-#define MMU_FTR_PPCAS_ARCH_V2 	(MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE)
-
 /* We only set the altivec features if the kernel was compiled with altivec
  * support
  */
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 255a1837e9f7..b4367fd0b477 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -126,8 +126,7 @@
 #define MMU_FTR_RADIX_KUAP		ASM_CONST(0x80000000)
 
 /* MMU feature bit sets for various CPUs */
-#define MMU_FTRS_DEFAULT_HPTE_ARCH_V2	\
-	MMU_FTR_HPTE_TABLE | MMU_FTR_PPCAS_ARCH_V2
+#define MMU_FTRS_DEFAULT_HPTE_ARCH_V2	(MMU_FTR_HPTE_TABLE | MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE)
 #define MMU_FTRS_POWER		MMU_FTRS_DEFAULT_HPTE_ARCH_V2
 #define MMU_FTRS_PPC970		MMU_FTRS_POWER | MMU_FTR_TLBIE_CROP_VA
 #define MMU_FTRS_POWER5		MMU_FTRS_POWER | MMU_FTR_LOCKLESS_TLBIE
-- 
2.25.0


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2020-10-12  8:04 [PATCH] powerpc/mm: Desintegrate MMU_FTR_PPCAS_ARCH_V2 Christophe Leroy

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