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 09/31] KVM: arm64: Make kvm_condition_valid32() accessible from EL2 Date: Wed, 3 May 2017 11:45:44 +0100 [thread overview] Message-ID: <20170503104606.19342-10-marc.zyngier@arm.com> (raw) In-Reply-To: <20170503104606.19342-1-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. 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 09/31] KVM: arm64: Make kvm_condition_valid32() accessible from EL2 Date: Wed, 3 May 2017 11:45:44 +0100 [thread overview] Message-ID: <20170503104606.19342-10-marc.zyngier@arm.com> (raw) In-Reply-To: <20170503104606.19342-1-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. 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:[~2017-05-03 10:45 UTC|newest] Thread overview: 162+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-05-03 10:45 [PATCH 00/31] arm64: KVM: Mediate access to GICv3 sysregs at EL2 Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 01/31] arm64: KVM: Fix decoding of Rt/Rt2 when trapping AArch32 CP accesses Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 02/31] arm64: KVM: Do not use stack-protector to compile EL2 code Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 03/31] arm: KVM: Do not use stack-protector to compile HYP code Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 04/31] KVM: arm/arm64: vgic-v2: Do not use Active+Pending state for a HW interrupt Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 05/31] KVM: arm/arm64: vgic-v3: " Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 06/31] KVM: arm/arm64: vgic-v3: Use PREbits to infer the number of ICH_APxRn_EL2 registers Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 07/31] KVM: arm/arm64: vgic-v3: Add accessors for the " Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 15:32 ` Mark Rutland 2017-05-03 15:32 ` Mark Rutland 2017-05-03 15:58 ` Marc Zyngier 2017-05-03 15:58 ` Marc Zyngier 2017-05-30 16:17 ` Marc Zyngier 2017-05-30 16:17 ` Marc Zyngier 2017-05-30 16:42 ` Mark Rutland 2017-05-30 16:42 ` Mark Rutland 2017-05-17 9:54 ` Auger Eric 2017-05-17 9:54 ` Auger Eric 2017-05-22 18:52 ` Marc Zyngier 2017-05-22 18:52 ` Marc Zyngier 2017-05-22 18:52 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 08/31] arm64: Add a facility to turn an ESR syndrome into a sysreg encoding Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 15:35 ` Mark Rutland 2017-05-03 15:35 ` Mark Rutland 2017-05-17 9:54 ` Auger Eric 2017-05-17 9:54 ` Auger Eric 2017-06-09 10:38 ` Catalin Marinas 2017-06-09 10:38 ` Catalin Marinas 2017-05-03 10:45 ` Marc Zyngier [this message] 2017-05-03 10:45 ` [PATCH 09/31] KVM: arm64: Make kvm_condition_valid32() accessible from EL2 Marc Zyngier 2017-05-17 9:54 ` Auger Eric 2017-05-17 9:54 ` Auger Eric 2017-05-03 10:45 ` [PATCH 10/31] KVM: arm64: vgic-v3: Add hook to handle guest GICv3 sysreg accesses at EL2 Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-17 9:54 ` Auger Eric 2017-05-17 9:54 ` Auger Eric 2017-05-03 10:45 ` [PATCH 11/31] KVM: arm64: vgic-v3: Add ICV_BPR1_EL1 handler Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-17 15:39 ` Auger Eric 2017-05-17 15:39 ` Auger Eric 2017-05-03 10:45 ` [PATCH 12/31] KVM: arm64: vgic-v3: Add ICV_IGRPEN1_EL1 handler Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-17 15:39 ` Auger Eric 2017-05-17 15:39 ` Auger Eric 2017-05-03 10:45 ` [PATCH 13/31] KVM: arm64: vgic-v3: Add ICV_IAR1_EL1 handler Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-18 7:41 ` Auger Eric 2017-05-18 7:41 ` Auger Eric 2017-05-22 17:52 ` Marc Zyngier 2017-05-22 17:52 ` Marc Zyngier 2017-05-23 7:22 ` Auger Eric 2017-05-23 7:22 ` Auger Eric 2017-05-23 9:26 ` Marc Zyngier 2017-05-23 9:26 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 14/31] KVM: arm64: vgic-v3: Add ICV_EOIR1_EL1 handler Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-30 7:48 ` Auger Eric 2017-05-30 7:48 ` Auger Eric 2017-05-30 14:24 ` Marc Zyngier 2017-05-30 14:24 ` Marc Zyngier 2017-05-31 6:33 ` Auger Eric 2017-05-31 6:33 ` Auger Eric 2017-05-31 6:46 ` Marc Zyngier 2017-05-31 6:46 ` Marc Zyngier 2017-05-31 6:46 ` Marc Zyngier 2017-05-31 7:26 ` Auger Eric 2017-05-31 7:26 ` Auger Eric 2017-05-31 7:54 ` Marc Zyngier 2017-05-31 7:54 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 15/31] KVM: arm64: vgic-v3: Add ICV_AP1Rn_EL1 handler Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-30 7:48 ` Auger Eric 2017-05-30 7:48 ` Auger Eric 2017-05-30 8:02 ` Auger Eric 2017-05-30 8:02 ` Auger Eric 2017-05-30 14:21 ` Marc Zyngier 2017-05-30 14:21 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 16/31] KVM: arm64: vgic-v3: Add ICV_HPPIR1_EL1 handler Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-30 8:05 ` Auger Eric 2017-05-30 8:05 ` Auger Eric 2017-05-03 10:45 ` [PATCH 17/31] KVM: arm64: vgic-v3: Enable trapping of Group-1 system registers Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-30 9:07 ` Auger Eric 2017-05-30 9:07 ` Auger Eric 2017-05-30 14:32 ` Marc Zyngier 2017-05-30 14:32 ` Marc Zyngier 2017-05-31 6:43 ` Auger Eric 2017-05-31 6:43 ` Auger Eric 2017-05-03 10:45 ` [PATCH 18/31] KVM: arm64: Enable GICv3 Group-1 sysreg trapping via command-line Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 19/31] KVM: arm64: vgic-v3: Add ICV_BPR0_EL1 handler Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-30 9:48 ` Auger Eric 2017-05-30 9:48 ` Auger Eric 2017-05-03 10:45 ` [PATCH 20/31] KVM: arm64: vgic-v3: Add ICV_IGNREN0_EL1 handler Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-30 9:48 ` Auger Eric 2017-05-30 9:48 ` Auger Eric 2017-05-03 10:45 ` [PATCH 21/31] KVM: arm64: vgic-v3: Add misc Group-0 handlers Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-30 9:48 ` Auger Eric 2017-05-30 9:48 ` Auger Eric 2017-05-03 10:45 ` [PATCH 22/31] KVM: arm64: vgic-v3: Enable trapping of Group-0 system registers Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-30 9:48 ` Auger Eric 2017-05-30 9:48 ` Auger Eric 2017-05-03 10:45 ` [PATCH 23/31] KVM: arm64: Enable GICv3 Group-0 sysreg trapping via command-line Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-03 10:45 ` [PATCH 24/31] arm64: Add MIDR values for Cavium cn83XX SoCs Marc Zyngier 2017-05-03 10:45 ` Marc Zyngier 2017-05-30 9:56 ` Auger Eric 2017-05-30 9:56 ` Auger Eric 2017-06-09 10:39 ` Catalin Marinas 2017-06-09 10:39 ` Catalin Marinas 2017-05-03 10:46 ` [PATCH 25/31] arm64: Add workaround for Cavium Thunder erratum 30115 Marc Zyngier 2017-05-03 10:46 ` Marc Zyngier 2017-05-30 9:56 ` Auger Eric 2017-05-30 9:56 ` Auger Eric 2017-06-09 10:43 ` Catalin Marinas 2017-06-09 10:43 ` Catalin Marinas 2017-05-03 10:46 ` [PATCH 26/31] KVM: arm64: vgic-v3: Add ICV_DIR_EL1 handler Marc Zyngier 2017-05-03 10:46 ` Marc Zyngier 2017-05-30 10:15 ` Auger Eric 2017-05-30 10:15 ` Auger Eric 2017-05-30 14:45 ` Marc Zyngier 2017-05-30 14:45 ` Marc Zyngier 2017-05-03 10:46 ` [PATCH 27/31] KVM: arm64: vgic-v3: Add ICV_RPR_EL1 handler Marc Zyngier 2017-05-03 10:46 ` Marc Zyngier 2017-05-30 10:16 ` Auger Eric 2017-05-30 10:16 ` Auger Eric 2017-05-03 10:46 ` [PATCH 28/31] KVM: arm64: vgic-v3: Add ICV_CTLR_EL1 handler Marc Zyngier 2017-05-03 10:46 ` Marc Zyngier 2017-05-30 10:27 ` Auger Eric 2017-05-30 10:27 ` Auger Eric 2017-05-03 10:46 ` [PATCH 29/31] KVM: arm64: vgic-v3: Add ICV_PMR_EL1 handler Marc Zyngier 2017-05-03 10:46 ` Marc Zyngier 2017-05-30 10:34 ` Auger Eric 2017-05-30 10:34 ` Auger Eric 2017-05-03 10:46 ` [PATCH 30/31] KVM: arm64: Enable GICv3 common sysreg trapping via command-line Marc Zyngier 2017-05-03 10:46 ` Marc Zyngier 2017-05-30 9:56 ` Auger Eric 2017-05-30 9:56 ` Auger Eric 2017-05-30 14:41 ` Marc Zyngier 2017-05-30 14:41 ` Marc Zyngier 2017-05-03 10:46 ` [PATCH 31/31] KVM: arm64: vgic-v3: Log which GICv3 system registers are trapped Marc Zyngier 2017-05-03 10:46 ` Marc Zyngier 2017-05-30 9:56 ` Auger Eric 2017-05-30 9:56 ` Auger Eric 2017-05-09 0:05 ` [PATCH 00/31] arm64: KVM: Mediate access to GICv3 sysregs at EL2 David Daney 2017-05-09 0:05 ` David Daney 2017-05-09 17:39 ` Marc Zyngier 2017-05-09 17:39 ` Marc Zyngier
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