From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51C8CC433DF for ; Mon, 12 Oct 2020 08:03:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB06D2080D for ; Mon, 12 Oct 2020 08:03:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726773AbgJLIDm (ORCPT ); Mon, 12 Oct 2020 04:03:42 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:54057 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726412AbgJLIDl (ORCPT ); Mon, 12 Oct 2020 04:03:41 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4C8rlp5RKgz9typT; Mon, 12 Oct 2020 10:03:34 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id xB5zi7FBj2g6; Mon, 12 Oct 2020 10:03:34 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4C8rlp3CQlz9typR; Mon, 12 Oct 2020 10:03:34 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 7B2468B784; Mon, 12 Oct 2020 10:03:39 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id HFyR3Qgm5_FC; Mon, 12 Oct 2020 10:03:39 +0200 (CEST) Received: from po17688vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.230.100]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 4863C8B783; Mon, 12 Oct 2020 10:03:39 +0200 (CEST) Received: by po17688vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 310F266441; Mon, 12 Oct 2020 08:03:39 +0000 (UTC) Message-Id: <0346768708b69bdbfec82f6e5b0364962b9b6932.1602489812.git.christophe.leroy@csgroup.eu> From: Christophe Leroy Subject: [PATCH] powerpc/features: Remove CPU_FTR_NODSISRALIGN To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Mon, 12 Oct 2020 08:03:39 +0000 (UTC) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CPU_FTR_NODSISRALIGN has not been used since commit 31bfdb036f12 ("powerpc: Use instruction emulation infrastructure to handle alignment faults") Remove it. Signed-off-by: Christophe Leroy --- arch/powerpc/include/asm/cputable.h | 22 ++++++++++------------ arch/powerpc/kernel/dt_cpu_ftrs.c | 8 -------- arch/powerpc/kernel/prom.c | 2 +- 3 files changed, 11 insertions(+), 21 deletions(-) diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 9780c55f9811..accdc1286f37 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -137,7 +137,6 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTR_DBELL ASM_CONST(0x00000004) #define CPU_FTR_CAN_NAP ASM_CONST(0x00000008) #define CPU_FTR_DEBUG_LVL_EXC ASM_CONST(0x00000010) -#define CPU_FTR_NODSISRALIGN ASM_CONST(0x00000020) #define CPU_FTR_FPU_UNAVAILABLE ASM_CONST(0x00000040) #define CPU_FTR_LWSYNC ASM_CONST(0x00000080) #define CPU_FTR_NOEXECUTE ASM_CONST(0x00000100) @@ -219,7 +218,7 @@ static inline void cpu_feature_keys_init(void) { } #ifndef __ASSEMBLY__ -#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN) +#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE) #define MMU_FTR_PPCAS_ARCH_V2 (MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE) @@ -378,33 +377,33 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE | CPU_FTR_NOEXECUTE) #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON) #define CPU_FTRS_8XX (CPU_FTR_NOEXECUTE) -#define CPU_FTRS_40X (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) -#define CPU_FTRS_44X (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) -#define CPU_FTRS_440x6 (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE | \ +#define CPU_FTRS_40X (CPU_FTR_NOEXECUTE) +#define CPU_FTRS_44X (CPU_FTR_NOEXECUTE) +#define CPU_FTRS_440x6 (CPU_FTR_NOEXECUTE | \ CPU_FTR_INDEXED_DCR) #define CPU_FTRS_47X (CPU_FTRS_440x6) #define CPU_FTRS_E200 (CPU_FTR_SPE_COMP | \ - CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \ + CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_NOEXECUTE | \ CPU_FTR_DEBUG_LVL_EXC) #define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | \ - CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \ + CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \ CPU_FTR_NOEXECUTE) #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | \ CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \ - CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) -#define CPU_FTRS_E500MC (CPU_FTR_NODSISRALIGN | \ + CPU_FTR_NOEXECUTE) +#define CPU_FTRS_E500MC ( \ CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV) /* * e5500/e6500 erratum A-006958 is a timebase bug that can use the * same workaround as CPU_FTR_CELL_TB_BUG. */ -#define CPU_FTRS_E5500 (CPU_FTR_NODSISRALIGN | \ +#define CPU_FTRS_E5500 ( \ CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG) -#define CPU_FTRS_E6500 (CPU_FTR_NODSISRALIGN | \ +#define CPU_FTRS_E6500 ( \ CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \ @@ -554,7 +553,6 @@ enum { #define CPU_FTRS_DT_CPU_BASE \ (CPU_FTR_LWSYNC | \ CPU_FTR_FPU_UNAVAILABLE | \ - CPU_FTR_NODSISRALIGN | \ CPU_FTR_NOEXECUTE | \ CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_STCX_CHECKS_ADDRESS | \ diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index 1098863e17ee..c598961d9f15 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -273,13 +273,6 @@ static int __init feat_enable_idle_nap(struct dt_cpu_feature *f) return 1; } -static int __init feat_enable_align_dsisr(struct dt_cpu_feature *f) -{ - cur_cpu_spec->cpu_features &= ~CPU_FTR_NODSISRALIGN; - - return 1; -} - static int __init feat_enable_idle_stop(struct dt_cpu_feature *f) { u64 lpcr; @@ -641,7 +634,6 @@ static struct dt_cpu_feature_match __initdata {"tm-suspend-hypervisor-assist", feat_enable, CPU_FTR_P9_TM_HV_ASSIST}, {"tm-suspend-xer-so-bug", feat_enable, CPU_FTR_P9_TM_XER_SO_BUG}, {"idle-nap", feat_enable_idle_nap, 0}, - {"alignment-interrupt-dsisr", feat_enable_align_dsisr, 0}, {"idle-stop", feat_enable_idle_stop, 0}, {"machine-check-power8", feat_enable_mce_power8, 0}, {"performance-monitor-power8", feat_enable_pmu_power8, 0}, diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index c1545f22c077..a5a5acb627fe 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -165,7 +165,7 @@ static struct ibm_pa_feature { #ifdef CONFIG_PPC_RADIX_MMU { .pabyte = 40, .pabit = 0, .mmu_features = MMU_FTR_TYPE_RADIX | MMU_FTR_GTSE }, #endif - { .pabyte = 1, .pabit = 1, .invert = 1, .cpu_features = CPU_FTR_NODSISRALIGN }, + { .pabyte = 1, .pabit = 1, .invert = 1, }, { .pabyte = 5, .pabit = 0, .cpu_features = CPU_FTR_REAL_LE, .cpu_user_ftrs = PPC_FEATURE_TRUE_LE }, /* -- 2.25.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A08BC433E7 for ; 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dmarc=none (p=none dis=none) header.from=csgroup.eu Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4C8rlz2X7RzDqjT for ; Mon, 12 Oct 2020 19:03:43 +1100 (AEDT) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4C8rlp5RKgz9typT; Mon, 12 Oct 2020 10:03:34 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id xB5zi7FBj2g6; Mon, 12 Oct 2020 10:03:34 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4C8rlp3CQlz9typR; Mon, 12 Oct 2020 10:03:34 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 7B2468B784; Mon, 12 Oct 2020 10:03:39 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id HFyR3Qgm5_FC; Mon, 12 Oct 2020 10:03:39 +0200 (CEST) Received: from po17688vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.230.100]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 4863C8B783; Mon, 12 Oct 2020 10:03:39 +0200 (CEST) Received: by po17688vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 310F266441; Mon, 12 Oct 2020 08:03:39 +0000 (UTC) Message-Id: <0346768708b69bdbfec82f6e5b0364962b9b6932.1602489812.git.christophe.leroy@csgroup.eu> From: Christophe Leroy Subject: [PATCH] powerpc/features: Remove CPU_FTR_NODSISRALIGN To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Date: Mon, 12 Oct 2020 08:03:39 +0000 (UTC) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" CPU_FTR_NODSISRALIGN has not been used since commit 31bfdb036f12 ("powerpc: Use instruction emulation infrastructure to handle alignment faults") Remove it. Signed-off-by: Christophe Leroy --- arch/powerpc/include/asm/cputable.h | 22 ++++++++++------------ arch/powerpc/kernel/dt_cpu_ftrs.c | 8 -------- arch/powerpc/kernel/prom.c | 2 +- 3 files changed, 11 insertions(+), 21 deletions(-) diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 9780c55f9811..accdc1286f37 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -137,7 +137,6 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTR_DBELL ASM_CONST(0x00000004) #define CPU_FTR_CAN_NAP ASM_CONST(0x00000008) #define CPU_FTR_DEBUG_LVL_EXC ASM_CONST(0x00000010) -#define CPU_FTR_NODSISRALIGN ASM_CONST(0x00000020) #define CPU_FTR_FPU_UNAVAILABLE ASM_CONST(0x00000040) #define CPU_FTR_LWSYNC ASM_CONST(0x00000080) #define CPU_FTR_NOEXECUTE ASM_CONST(0x00000100) @@ -219,7 +218,7 @@ static inline void cpu_feature_keys_init(void) { } #ifndef __ASSEMBLY__ -#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN) +#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE) #define MMU_FTR_PPCAS_ARCH_V2 (MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE) @@ -378,33 +377,33 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE | CPU_FTR_NOEXECUTE) #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON) #define CPU_FTRS_8XX (CPU_FTR_NOEXECUTE) -#define CPU_FTRS_40X (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) -#define CPU_FTRS_44X (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) -#define CPU_FTRS_440x6 (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE | \ +#define CPU_FTRS_40X (CPU_FTR_NOEXECUTE) +#define CPU_FTRS_44X (CPU_FTR_NOEXECUTE) +#define CPU_FTRS_440x6 (CPU_FTR_NOEXECUTE | \ CPU_FTR_INDEXED_DCR) #define CPU_FTRS_47X (CPU_FTRS_440x6) #define CPU_FTRS_E200 (CPU_FTR_SPE_COMP | \ - CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \ + CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_NOEXECUTE | \ CPU_FTR_DEBUG_LVL_EXC) #define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | \ - CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \ + CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \ CPU_FTR_NOEXECUTE) #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | \ CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \ - CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) -#define CPU_FTRS_E500MC (CPU_FTR_NODSISRALIGN | \ + CPU_FTR_NOEXECUTE) +#define CPU_FTRS_E500MC ( \ CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV) /* * e5500/e6500 erratum A-006958 is a timebase bug that can use the * same workaround as CPU_FTR_CELL_TB_BUG. */ -#define CPU_FTRS_E5500 (CPU_FTR_NODSISRALIGN | \ +#define CPU_FTRS_E5500 ( \ CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG) -#define CPU_FTRS_E6500 (CPU_FTR_NODSISRALIGN | \ +#define CPU_FTRS_E6500 ( \ CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \ @@ -554,7 +553,6 @@ enum { #define CPU_FTRS_DT_CPU_BASE \ (CPU_FTR_LWSYNC | \ CPU_FTR_FPU_UNAVAILABLE | \ - CPU_FTR_NODSISRALIGN | \ CPU_FTR_NOEXECUTE | \ CPU_FTR_COHERENT_ICACHE | \ CPU_FTR_STCX_CHECKS_ADDRESS | \ diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index 1098863e17ee..c598961d9f15 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -273,13 +273,6 @@ static int __init feat_enable_idle_nap(struct dt_cpu_feature *f) return 1; } -static int __init feat_enable_align_dsisr(struct dt_cpu_feature *f) -{ - cur_cpu_spec->cpu_features &= ~CPU_FTR_NODSISRALIGN; - - return 1; -} - static int __init feat_enable_idle_stop(struct dt_cpu_feature *f) { u64 lpcr; @@ -641,7 +634,6 @@ static struct dt_cpu_feature_match __initdata {"tm-suspend-hypervisor-assist", feat_enable, CPU_FTR_P9_TM_HV_ASSIST}, {"tm-suspend-xer-so-bug", feat_enable, CPU_FTR_P9_TM_XER_SO_BUG}, {"idle-nap", feat_enable_idle_nap, 0}, - {"alignment-interrupt-dsisr", feat_enable_align_dsisr, 0}, {"idle-stop", feat_enable_idle_stop, 0}, {"machine-check-power8", feat_enable_mce_power8, 0}, {"performance-monitor-power8", feat_enable_pmu_power8, 0}, diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index c1545f22c077..a5a5acb627fe 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -165,7 +165,7 @@ static struct ibm_pa_feature { #ifdef CONFIG_PPC_RADIX_MMU { .pabyte = 40, .pabit = 0, .mmu_features = MMU_FTR_TYPE_RADIX | MMU_FTR_GTSE }, #endif - { .pabyte = 1, .pabit = 1, .invert = 1, .cpu_features = CPU_FTR_NODSISRALIGN }, + { .pabyte = 1, .pabit = 1, .invert = 1, }, { .pabyte = 5, .pabit = 0, .cpu_features = CPU_FTR_REAL_LE, .cpu_user_ftrs = PPC_FEATURE_TRUE_LE }, /* -- 2.25.0