linux-kernel - [PATCH v2 03/19] powerpc/64e: Remove unnecessary #ifdef CONFIG_PPC_FSL

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <df16255c13b63b0221c9be63b94a6864bed22c12.1663606875.git.christophe.leroy@csgroup.eu>
Date:   Mon, 19 Sep 2022 19:01:27 +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 03/19] powerpc/64e: Remove unnecessary #ifdef CONFIG_PPC_FSL_BOOK3E

CONFIG_PPC_BOOK3E_64 implies CONFIG_PPC_FSL_BOOK3E so no need of
additional #ifdefs in files built exclusively for CONFIG_PPC_BOOK3E_64.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/kernel/exceptions-64e.S | 8 --------
 arch/powerpc/mm/nohash/tlb_low_64e.S | 6 ------
 2 files changed, 14 deletions(-)

diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
index 67dc4e3179a0..3afba070a5d8 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -291,7 +291,6 @@ ret_from_mc_except:
 #define SPRN_MC_SRR0	SPRN_MCSRR0
 #define SPRN_MC_SRR1	SPRN_MCSRR1
 
-#ifdef CONFIG_PPC_FSL_BOOK3E
 #define GEN_BTB_FLUSH			\
 	START_BTB_FLUSH_SECTION		\
 		beq 1f;			\
@@ -307,13 +306,6 @@ ret_from_mc_except:
 #define DBG_BTB_FLUSH CRIT_BTB_FLUSH
 #define MC_BTB_FLUSH CRIT_BTB_FLUSH
 #define GDBELL_BTB_FLUSH GEN_BTB_FLUSH
-#else
-#define GEN_BTB_FLUSH
-#define CRIT_BTB_FLUSH
-#define DBG_BTB_FLUSH
-#define MC_BTB_FLUSH
-#define GDBELL_BTB_FLUSH
-#endif
 
 #define NORMAL_EXCEPTION_PROLOG(n, intnum, addition)			    \
 	EXCEPTION_PROLOG(n, intnum, GEN, addition##_GEN(n))
diff --git a/arch/powerpc/mm/nohash/tlb_low_64e.S b/arch/powerpc/mm/nohash/tlb_low_64e.S
index 68ffbfdba894..be26f33a6ac0 100644
--- a/arch/powerpc/mm/nohash/tlb_low_64e.S
+++ b/arch/powerpc/mm/nohash/tlb_low_64e.S
@@ -61,7 +61,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV)
 	ld	r14,PACAPGD(r13)
 	std	r15,EX_TLB_R15(r12)
 	std	r10,EX_TLB_CR(r12)
-#ifdef CONFIG_PPC_FSL_BOOK3E
 START_BTB_FLUSH_SECTION
 	mfspr r11, SPRN_SRR1
 	andi. r10,r11,MSR_PR
@@ -70,14 +69,11 @@ START_BTB_FLUSH_SECTION
 1:
 END_BTB_FLUSH_SECTION
 	std	r7,EX_TLB_R7(r12)
-#endif
 .endm
 
 .macro tlb_epilog_bolted
 	ld	r14,EX_TLB_CR(r12)
-#ifdef CONFIG_PPC_FSL_BOOK3E
 	ld	r7,EX_TLB_R7(r12)
-#endif
 	ld	r10,EX_TLB_R10(r12)
 	ld	r11,EX_TLB_R11(r12)
 	ld	r13,EX_TLB_R13(r12)
@@ -248,7 +244,6 @@ itlb_miss_fault_bolted:
 	beq	tlb_miss_user_bolted
 	b	itlb_miss_kernel_bolted
 
-#ifdef CONFIG_PPC_FSL_BOOK3E
 /*
  * TLB miss handling for e6500 and derivatives, using hardware tablewalk.
  *
@@ -515,7 +510,6 @@ dtlb_miss_fault_e6500:
 itlb_miss_fault_e6500:
 	tlb_epilog_bolted
 	b	exc_instruction_storage_book3e
-#endif /* CONFIG_PPC_FSL_BOOK3E */
 
 /**********************************************************************
  *                                                                    *
-- 
2.37.1