From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6FFA2537E3 for ; Wed, 14 Feb 2024 13:18:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707916716; cv=none; b=S+MLw6bteHYcTcrvgPWETHRajjH912VSYqyLemBT1LtJwSk3An6dx90CK3gEWYoX67u61qwHNtkbgyZlVpczqyE4dqwwQNyFhBqz7r0deZfjMEmGN6R55liS2MDhjyArF1VkOhl9qdCzBjZl3ADOZDoxSkrEaScNMW3I8vtdcSs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707916716; c=relaxed/simple; bh=kkTtFQBCidaSqd2ytOnVK9FgRjoyzbq4OytuNCRdmhA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Qbx5CpXOcgTndHUa3WFUzWhxv9NVAJEDrQqV+sqSlVXeEstiLSGgIfVhcG6MLb5CDuFJ1PjzKEh80ZlH1IASXFGe8S2Qm0JMAO7ceDgxKM2/VFfZyPzWXM1Ps8o9wZ8Lp11OXL0F5ML19Ov34h+ROn+9056w0/XaQSUOp5LBhZ4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Li4T7TDt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Li4T7TDt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3D37C433C7; Wed, 14 Feb 2024 13:18:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707916715; bh=kkTtFQBCidaSqd2ytOnVK9FgRjoyzbq4OytuNCRdmhA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Li4T7TDt51CPnwEC8J6P8u+EwV8rZwDxAK/iwWZPNPe2a7ME29X0mMHXYKivYDAvV E4YSMWuMZput8LuC/fKevIoij6JpOg8Qe4V87ev3clWI5LqRGFZmnFO7ovGGJd228t OTbXXZr5Ma+H/elxNxGvUHY8eZN3xKO3iKJac/qDxJEwgXI6jj3kz6TKf4AEzEgD87 w981kLcFlAf8nvoJEJZV1uU10lS4YfnSYqYJKu8u4m6WdGBbUPLjHI1rmhjZkFbu0S QEMe1Z+U6Puv9dSW6C5XdhilPjmfgX7e5ohrmkx+9YaWAXy8xyGivdQmCCF6xBQRS+ v/2i4q2UDE+ew== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1raF9l-00394l-W5; Wed, 14 Feb 2024 13:18:34 +0000 From: Marc Zyngier To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org Cc: James Morse , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Catalin Marinas , Will Deacon , Joey Gouly , Mark Brown Subject: [PATCH v4 16/26] KVM: arm64: Rename __check_nv_sr_forward() to triage_sysreg_trap() Date: Wed, 14 Feb 2024 13:18:17 +0000 Message-Id: <20240214131827.2856277-17-maz@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240214131827.2856277-1-maz@kernel.org> References: <20240214131827.2856277-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, james.morse@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org, joey.gouly@arm.com, broonie@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false __check_nv_sr_forward() is not specific to NV anymore, and does a lot more. Rename it to triage_sysreg_trap(), making it plain that its role is to handle where an exception is to be handled. Reviewed-by: Joey Gouly Signed-off-by: Marc Zyngier --- arch/arm64/include/asm/kvm_nested.h | 1 - arch/arm64/kvm/emulate-nested.c | 2 +- arch/arm64/kvm/sys_regs.c | 2 +- arch/arm64/kvm/sys_regs.h | 2 ++ 4 files changed, 4 insertions(+), 3 deletions(-) diff --git a/arch/arm64/include/asm/kvm_nested.h b/arch/arm64/include/asm/kvm_nested.h index 68465f87d308..c77d795556e1 100644 --- a/arch/arm64/include/asm/kvm_nested.h +++ b/arch/arm64/include/asm/kvm_nested.h @@ -60,7 +60,6 @@ static inline u64 translate_ttbr0_el2_to_ttbr0_el1(u64 ttbr0) return ttbr0 & ~GENMASK_ULL(63, 48); } -extern bool __check_nv_sr_forward(struct kvm_vcpu *vcpu, int *sr_idx); int kvm_init_nv_sysregs(struct kvm *kvm); diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c index 5aeaa688755f..4f2a32a8f247 100644 --- a/arch/arm64/kvm/emulate-nested.c +++ b/arch/arm64/kvm/emulate-nested.c @@ -2007,7 +2007,7 @@ static bool check_fgt_bit(struct kvm *kvm, bool is_read, return !(kvm_get_sysreg_res0(kvm, sr) & BIT(tc.bit)); } -bool __check_nv_sr_forward(struct kvm_vcpu *vcpu, int *sr_index) +bool triage_sysreg_trap(struct kvm_vcpu *vcpu, int *sr_index) { union trap_config tc; enum trap_behaviour b; diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index bc076ef8440b..938df5dc3684 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -3482,7 +3482,7 @@ int kvm_handle_sys_reg(struct kvm_vcpu *vcpu) trace_kvm_handle_sys_reg(esr); - if (__check_nv_sr_forward(vcpu, &sr_idx)) + if (triage_sysreg_trap(vcpu, &sr_idx)) return 1; params = esr_sys64_to_params(esr); diff --git a/arch/arm64/kvm/sys_regs.h b/arch/arm64/kvm/sys_regs.h index c65c129b3500..997eea21ba2a 100644 --- a/arch/arm64/kvm/sys_regs.h +++ b/arch/arm64/kvm/sys_regs.h @@ -233,6 +233,8 @@ int kvm_sys_reg_get_user(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg, int kvm_sys_reg_set_user(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg, const struct sys_reg_desc table[], unsigned int num); +bool triage_sysreg_trap(struct kvm_vcpu *vcpu, int *sr_index); + #define AA32(_x) .aarch32_map = AA32_##_x #define Op0(_x) .Op0 = _x #define Op1(_x) .Op1 = _x -- 2.39.2