From: Marc Zyngier <marc.zyngier@arm.com> To: Christoffer Dall <christoffer.dall@linaro.org> Cc: kvm@vger.kernel.org, David Daney <david.daney@cavium.com>, Catalin Marinas <catalin.marinas@arm.com>, Robert Richter <rrichter@cavium.com>, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 03/25] KVM: arm64: Make kvm_condition_valid32() accessible from EL2 Date: Thu, 1 Jun 2017 11:20:55 +0100 [thread overview] Message-ID: <20170601102117.17750-4-marc.zyngier@arm.com> (raw) In-Reply-To: <20170601102117.17750-1-marc.zyngier@arm.com> As we're about to trap CP15 accesses and handle them at EL2, we need to evaluate whether or not the condition flags are valid, as an implementation is allowed to trap despite the condition not being met. Tagging the function as __hyp_text allows this. Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- virt/kvm/arm/aarch32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/virt/kvm/arm/aarch32.c b/virt/kvm/arm/aarch32.c index 528af4b2d09e..79c7c357804b 100644 --- a/virt/kvm/arm/aarch32.c +++ b/virt/kvm/arm/aarch32.c @@ -60,7 +60,7 @@ static const unsigned short cc_map[16] = { /* * Check if a trapped instruction should have been executed or not. */ -bool kvm_condition_valid32(const struct kvm_vcpu *vcpu) +bool __hyp_text kvm_condition_valid32(const struct kvm_vcpu *vcpu) { unsigned long cpsr; u32 cpsr_cond; -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: marc.zyngier@arm.com (Marc Zyngier) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 03/25] KVM: arm64: Make kvm_condition_valid32() accessible from EL2 Date: Thu, 1 Jun 2017 11:20:55 +0100 [thread overview] Message-ID: <20170601102117.17750-4-marc.zyngier@arm.com> (raw) In-Reply-To: <20170601102117.17750-1-marc.zyngier@arm.com> As we're about to trap CP15 accesses and handle them at EL2, we need to evaluate whether or not the condition flags are valid, as an implementation is allowed to trap despite the condition not being met. Tagging the function as __hyp_text allows this. Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- virt/kvm/arm/aarch32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/virt/kvm/arm/aarch32.c b/virt/kvm/arm/aarch32.c index 528af4b2d09e..79c7c357804b 100644 --- a/virt/kvm/arm/aarch32.c +++ b/virt/kvm/arm/aarch32.c @@ -60,7 +60,7 @@ static const unsigned short cc_map[16] = { /* * Check if a trapped instruction should have been executed or not. */ -bool kvm_condition_valid32(const struct kvm_vcpu *vcpu) +bool __hyp_text kvm_condition_valid32(const struct kvm_vcpu *vcpu) { unsigned long cpsr; u32 cpsr_cond; -- 2.11.0
next prev parent reply other threads:[~2017-06-01 10:20 UTC|newest] Thread overview: 152+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-06-01 10:20 [PATCH v2 00/25] arm64: KVM: Mediate access to GICv3 sysregs at EL2 Marc Zyngier 2017-06-01 10:20 ` Marc Zyngier 2017-06-01 10:20 ` [PATCH v2 01/25] arm64: Add a facility to turn an ESR syndrome into a sysreg encoding Marc Zyngier 2017-06-01 10:20 ` Marc Zyngier 2017-06-01 10:20 ` [PATCH v2 02/25] KVM: arm/arm64: vgic-v3: Add accessors for the ICH_APxRn_EL2 registers Marc Zyngier 2017-06-01 10:20 ` Marc Zyngier 2017-06-01 10:20 ` Marc Zyngier [this message] 2017-06-01 10:20 ` [PATCH v2 03/25] KVM: arm64: Make kvm_condition_valid32() accessible from EL2 Marc Zyngier 2017-06-04 12:11 ` Christoffer Dall 2017-06-04 12:11 ` Christoffer Dall 2017-06-05 8:13 ` Marc Zyngier 2017-06-05 8:13 ` Marc Zyngier 2017-06-05 8:23 ` Christoffer Dall 2017-06-05 8:23 ` Christoffer Dall 2017-06-05 9:10 ` Marc Zyngier 2017-06-05 9:10 ` Marc Zyngier 2017-06-01 10:20 ` [PATCH v2 04/25] KVM: arm64: vgic-v3: Add hook to handle guest GICv3 sysreg accesses at EL2 Marc Zyngier 2017-06-01 10:20 ` Marc Zyngier 2017-06-04 14:59 ` Christoffer Dall 2017-06-04 14:59 ` Christoffer Dall 2017-06-01 10:20 ` [PATCH v2 05/25] KVM: arm64: vgic-v3: Add ICV_BPR1_EL1 handler Marc Zyngier 2017-06-01 10:20 ` Marc Zyngier 2017-06-04 20:25 ` Christoffer Dall 2017-06-04 20:25 ` Christoffer Dall 2017-06-05 9:58 ` Marc Zyngier 2017-06-05 9:58 ` Marc Zyngier 2017-06-05 10:16 ` Christoffer Dall 2017-06-05 10:16 ` Christoffer Dall 2017-06-05 10:27 ` Peter Maydell 2017-06-05 10:27 ` Peter Maydell 2017-06-06 9:41 ` Christoffer Dall 2017-06-06 9:41 ` Christoffer Dall 2017-06-01 10:20 ` [PATCH v2 06/25] KVM: arm64: vgic-v3: Add ICV_IGRPEN1_EL1 handler Marc Zyngier 2017-06-01 10:20 ` Marc Zyngier 2017-06-06 13:22 ` Christoffer Dall 2017-06-06 13:22 ` Christoffer Dall 2017-06-01 10:20 ` [PATCH v2 07/25] KVM: arm64: vgic-v3: Add ICV_IAR1_EL1 handler Marc Zyngier 2017-06-01 10:20 ` Marc Zyngier 2017-06-05 9:21 ` Christoffer Dall 2017-06-05 9:21 ` Christoffer Dall 2017-06-05 10:33 ` Marc Zyngier 2017-06-05 10:33 ` Marc Zyngier 2017-06-06 11:09 ` Christoffer Dall 2017-06-06 11:09 ` Christoffer Dall 2017-06-06 13:35 ` Marc Zyngier 2017-06-06 13:35 ` Marc Zyngier 2017-06-06 13:50 ` Christoffer Dall 2017-06-06 13:50 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 08/25] KVM: arm64: vgic-v3: Add ICV_EOIR1_EL1 handler Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-05 10:32 ` Christoffer Dall 2017-06-05 10:32 ` Christoffer Dall 2017-06-05 11:00 ` Marc Zyngier 2017-06-05 11:00 ` Marc Zyngier 2017-06-06 13:19 ` Christoffer Dall 2017-06-06 13:19 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 09/25] KVM: arm64: vgic-v3: Add ICV_AP1Rn_EL1 handler Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 13:22 ` Christoffer Dall 2017-06-06 13:22 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 10/25] KVM: arm64: vgic-v3: Add ICV_HPPIR1_EL1 handler Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 11:51 ` Christoffer Dall 2017-06-06 11:51 ` Christoffer Dall 2017-06-06 13:57 ` Marc Zyngier 2017-06-06 13:57 ` Marc Zyngier 2017-06-06 14:41 ` Christoffer Dall 2017-06-06 14:41 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 11/25] KVM: arm64: vgic-v3: Enable trapping of Group-1 system registers Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 13:22 ` Christoffer Dall 2017-06-06 13:22 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 12/25] KVM: arm64: Enable GICv3 Group-1 sysreg trapping via command-line Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 12:06 ` Christoffer Dall 2017-06-06 12:06 ` Christoffer Dall 2017-06-06 13:59 ` Marc Zyngier 2017-06-06 13:59 ` Marc Zyngier 2017-06-06 14:42 ` Christoffer Dall 2017-06-06 14:42 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 13/25] KVM: arm64: vgic-v3: Add ICV_BPR0_EL1 handler Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 12:11 ` Christoffer Dall 2017-06-06 12:11 ` Christoffer Dall 2017-06-06 15:15 ` Marc Zyngier 2017-06-06 15:15 ` Marc Zyngier 2017-06-06 15:46 ` Christoffer Dall 2017-06-06 15:46 ` Christoffer Dall 2017-06-06 15:56 ` Peter Maydell 2017-06-06 15:56 ` Peter Maydell 2017-06-06 16:56 ` Marc Zyngier 2017-06-06 16:56 ` Marc Zyngier 2017-06-06 17:23 ` Christoffer Dall 2017-06-06 17:23 ` Christoffer Dall 2017-06-06 17:36 ` Peter Maydell 2017-06-06 17:36 ` Peter Maydell 2017-06-01 10:21 ` [PATCH v2 14/25] KVM: arm64: vgic-v3: Add ICV_IGNREN0_EL1 handler Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 13:22 ` Christoffer Dall 2017-06-06 13:22 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 15/25] KVM: arm64: vgic-v3: Add misc Group-0 handlers Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 13:22 ` Christoffer Dall 2017-06-06 13:22 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 16/25] KVM: arm64: vgic-v3: Enable trapping of Group-0 system registers Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 13:22 ` Christoffer Dall 2017-06-06 13:22 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 17/25] KVM: arm64: Enable GICv3 Group-0 sysreg trapping via command-line Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 12:44 ` Christoffer Dall 2017-06-06 12:44 ` Christoffer Dall 2017-06-06 15:15 ` Marc Zyngier 2017-06-06 15:15 ` Marc Zyngier 2017-06-01 10:21 ` [PATCH v2 18/25] arm64: Add MIDR values for Cavium cn83XX SoCs Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-01 10:21 ` [PATCH v2 19/25] arm64: Add workaround for Cavium Thunder erratum 30115 Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 12:48 ` Christoffer Dall 2017-06-06 12:48 ` Christoffer Dall 2017-06-06 15:18 ` Marc Zyngier 2017-06-06 15:18 ` Marc Zyngier 2017-06-01 10:21 ` [PATCH v2 20/25] KVM: arm64: vgic-v3: Add ICV_DIR_EL1 handler Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 12:59 ` Christoffer Dall 2017-06-06 12:59 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 21/25] KVM: arm64: vgic-v3: Add ICV_RPR_EL1 handler Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 13:23 ` Christoffer Dall 2017-06-06 13:23 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 22/25] KVM: arm64: vgic-v3: Add ICV_CTLR_EL1 handler Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 13:23 ` Christoffer Dall 2017-06-06 13:23 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 23/25] KVM: arm64: vgic-v3: Add ICV_PMR_EL1 handler Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 13:23 ` Christoffer Dall 2017-06-06 13:23 ` Christoffer Dall 2017-06-01 10:21 ` [PATCH v2 24/25] KVM: arm64: Enable GICv3 common sysreg trapping via command-line Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-01 10:21 ` [PATCH v2 25/25] KVM: arm64: vgic-v3: Log which GICv3 system registers are trapped Marc Zyngier 2017-06-01 10:21 ` Marc Zyngier 2017-06-06 13:23 ` Christoffer Dall 2017-06-06 13:23 ` Christoffer Dall 2017-06-01 21:00 ` [PATCH v2 00/25] arm64: KVM: Mediate access to GICv3 sysregs at EL2 David Daney 2017-06-01 21:00 ` David Daney 2017-06-02 9:11 ` Marc Zyngier 2017-06-02 9:11 ` Marc Zyngier 2017-06-02 16:24 ` David Daney 2017-06-02 16:24 ` David Daney 2017-06-08 14:35 ` Alexander Graf 2017-06-08 14:35 ` Alexander Graf
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