From patchwork Mon Jan 23 12:40:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Rutland X-Patchwork-Id: 13112082 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CB723C05027 for ; Mon, 23 Jan 2023 12:45:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=srAVfwGuhA7BSQvft+IsgUMYkAm5p8KMDYOkc6L1vrc=; b=M/3ekzFwzyxFGz VFva0y00TjgfcBGXZAHw6bYjayHjav4FLcvjA4qzcKzMaUwxXJpYP32NmopCkU6oD1wYjoxCOjabx 61Oqg+poRx3PZhLEpNpOQBQU9CxYTHOtYuy8pfvTR2Xx7tIZYCpl2Vh5Wc7tvU+Z1BNE3FYepH7/f hH+m04geIn+0NV+3RMjOEXDi1sDQyzv7hYyPLWUK5JubeEgBng9LBozqQkwk2UGomgvNXUFBCu7L7 tYRhCXJ3yWDyZfvyvKEVZKjwzTLPAbNCTLk1ujhXs4pqjC5Fd2UmZiWqzN6t7oKUpnXMttrQRWIUO KeTl6t+oNnSwZ3ryQZag==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pJwBZ-00HBYt-0m; Mon, 23 Jan 2023 12:44:29 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pJw8A-00HAPX-4r for linux-arm-kernel@lists.infradead.org; Mon, 23 Jan 2023 12:41:00 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9CB92143D; Mon, 23 Jan 2023 04:41:36 -0800 (PST) Received: from lakrids.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 0E7693F64C; Mon, 23 Jan 2023 04:40:53 -0800 (PST) From: Mark Rutland To: linux-arm-kernel@lists.infradead.org Cc: broonie@kernel.org, catalin.marinas@arm.com, mark.rutland@arm.com, maz@kernel.org, will@kernel.org Subject: [PATCH 2/4] arm64: rename ARM64_HAS_IRQ_PRIO_MASKING to ARM64_HAS_GIC_PRIO_MASKING Date: Mon, 23 Jan 2023 12:40:40 +0000 Message-Id: <20230123124042.718743-3-mark.rutland@arm.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20230123124042.718743-1-mark.rutland@arm.com> References: <20230123124042.718743-1-mark.rutland@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230123_044058_356167_7D4D500B X-CRM114-Status: GOOD ( 13.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Subsequent patches will add more GIC-related cpucaps. When we do so, it would be nice to give them a consistent HAS_GIC_* prefix. In preparation for doing so, this patch renames the existing ARM64_HAS_IRQ_PRIO_MASKING cap to ARM64_HAS_GIC_PRIO_MASKING. The cpucaps file was hand-modified; all other changes were scripted with: find . -type f -name '*.[chS]' -print0 | \ xargs -0 sed -i 's/ARM64_HAS_IRQ_PRIO_MASKING/ARM64_HAS_GIC_PRIO_MASKING/' There should be no functional change as a result of this patch. Signed-off-by: Mark Rutland Cc: Catalin Marinas Cc: Marc Zyngier Cc: Mark Brown Cc: Will Deacon --- arch/arm64/include/asm/cpufeature.h | 2 +- arch/arm64/include/asm/irqflags.h | 10 +++++----- arch/arm64/include/asm/ptrace.h | 2 +- arch/arm64/kernel/cpufeature.c | 2 +- arch/arm64/kernel/entry.S | 4 ++-- arch/arm64/tools/cpucaps | 2 +- 6 files changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index 03d1c9d7af82..c50928398e4b 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -806,7 +806,7 @@ static inline bool system_has_full_ptr_auth(void) static __always_inline bool system_uses_irq_prio_masking(void) { return IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) && - cpus_have_const_cap(ARM64_HAS_IRQ_PRIO_MASKING); + cpus_have_const_cap(ARM64_HAS_GIC_PRIO_MASKING); } static inline bool system_supports_mte(void) diff --git a/arch/arm64/include/asm/irqflags.h b/arch/arm64/include/asm/irqflags.h index b57b9b1e4344..f51653fb90e4 100644 --- a/arch/arm64/include/asm/irqflags.h +++ b/arch/arm64/include/asm/irqflags.h @@ -35,7 +35,7 @@ static inline void arch_local_irq_enable(void) asm volatile(ALTERNATIVE( "msr daifclr, #3 // arch_local_irq_enable", __msr_s(SYS_ICC_PMR_EL1, "%0"), - ARM64_HAS_IRQ_PRIO_MASKING) + ARM64_HAS_GIC_PRIO_MASKING) : : "r" ((unsigned long) GIC_PRIO_IRQON) : "memory"); @@ -54,7 +54,7 @@ static inline void arch_local_irq_disable(void) asm volatile(ALTERNATIVE( "msr daifset, #3 // arch_local_irq_disable", __msr_s(SYS_ICC_PMR_EL1, "%0"), - ARM64_HAS_IRQ_PRIO_MASKING) + ARM64_HAS_GIC_PRIO_MASKING) : : "r" ((unsigned long) GIC_PRIO_IRQOFF) : "memory"); @@ -70,7 +70,7 @@ static inline unsigned long arch_local_save_flags(void) asm volatile(ALTERNATIVE( "mrs %0, daif", __mrs_s("%0", SYS_ICC_PMR_EL1), - ARM64_HAS_IRQ_PRIO_MASKING) + ARM64_HAS_GIC_PRIO_MASKING) : "=&r" (flags) : : "memory"); @@ -85,7 +85,7 @@ static inline int arch_irqs_disabled_flags(unsigned long flags) asm volatile(ALTERNATIVE( "and %w0, %w1, #" __stringify(PSR_I_BIT), "eor %w0, %w1, #" __stringify(GIC_PRIO_IRQON), - ARM64_HAS_IRQ_PRIO_MASKING) + ARM64_HAS_GIC_PRIO_MASKING) : "=&r" (res) : "r" ((int) flags) : "memory"); @@ -122,7 +122,7 @@ static inline void arch_local_irq_restore(unsigned long flags) asm volatile(ALTERNATIVE( "msr daif, %0", __msr_s(SYS_ICC_PMR_EL1, "%0"), - ARM64_HAS_IRQ_PRIO_MASKING) + ARM64_HAS_GIC_PRIO_MASKING) : : "r" (flags) : "memory"); diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index 41b332c054ab..47ec58031f11 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -194,7 +194,7 @@ struct pt_regs { u32 unused2; #endif u64 sdei_ttbr1; - /* Only valid when ARM64_HAS_IRQ_PRIO_MASKING is enabled. */ + /* Only valid when ARM64_HAS_GIC_PRIO_MASKING is enabled. */ u64 pmr_save; u64 stackframe[2]; diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 7538d3aa050a..c4e9858a7b84 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -2534,7 +2534,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = { * Depends on having GICv3 */ .desc = "IRQ priority masking", - .capability = ARM64_HAS_IRQ_PRIO_MASKING, + .capability = ARM64_HAS_GIC_PRIO_MASKING, .type = ARM64_CPUCAP_STRICT_BOOT_CPU_FEATURE, .matches = can_use_gic_priorities, .sys_reg = SYS_ID_AA64PFR0_EL1, diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 11cb99c4d298..e2d1d3d5de1d 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -312,7 +312,7 @@ alternative_else_nop_endif #ifdef CONFIG_ARM64_PSEUDO_NMI /* Save pmr */ -alternative_if ARM64_HAS_IRQ_PRIO_MASKING +alternative_if ARM64_HAS_GIC_PRIO_MASKING mrs_s x20, SYS_ICC_PMR_EL1 str x20, [sp, #S_PMR_SAVE] mov x20, #GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET @@ -337,7 +337,7 @@ alternative_else_nop_endif #ifdef CONFIG_ARM64_PSEUDO_NMI /* Restore pmr */ -alternative_if ARM64_HAS_IRQ_PRIO_MASKING +alternative_if ARM64_HAS_GIC_PRIO_MASKING ldr x20, [sp, #S_PMR_SAVE] msr_s SYS_ICC_PMR_EL1, x20 mrs_s x21, SYS_ICC_CTLR_EL1 diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps index 971316dd47b9..d70435a1d48c 100644 --- a/arch/arm64/tools/cpucaps +++ b/arch/arm64/tools/cpucaps @@ -28,8 +28,8 @@ HAS_GENERIC_AUTH HAS_GENERIC_AUTH_ARCH_QARMA3 HAS_GENERIC_AUTH_ARCH_QARMA5 HAS_GENERIC_AUTH_IMP_DEF +HAS_GIC_PRIO_MASKING HAS_GIC_SYSREG_CPUIF -HAS_IRQ_PRIO_MASKING HAS_LDAPR HAS_LSE_ATOMICS HAS_NO_FPSIMD