From: Christoffer Dall <cdall@linaro.org> To: Jintack Lim <jintack@cs.columbia.edu> Cc: christoffer.dall@linaro.org, marc.zyngier@arm.com, pbonzini@redhat.com, rkrcmar@redhat.com, linux@armlinux.org.uk, catalin.marinas@arm.com, will.deacon@arm.com, vladimir.murzin@arm.com, suzuki.poulose@arm.com, mark.rutland@arm.com, james.morse@arm.com, lorenzo.pieralisi@arm.com, kevin.brodsky@arm.com, wcohen@redhat.com, shankerd@codeaurora.org, geoff@infradead.org, andre.przywara@arm.com, eric.auger@redhat.com, anna-maria@linutronix.de, shihwei@cs.columbia.edu, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC 17/55] KVM: arm64: Trap SPSR_EL1, ELR_EL1 and VBAR_EL1 in virtual EL2 Date: Wed, 22 Feb 2017 12:40:26 +0100 [thread overview] Message-ID: <20170222114026.GK26976@cbox> (raw) In-Reply-To: <1483943091-1364-18-git-send-email-jintack@cs.columbia.edu> On Mon, Jan 09, 2017 at 01:24:13AM -0500, Jintack Lim wrote: > For the same reason we trap virtual memory register accesses in virtual > EL2, we need to trap SPSR_EL1, ELR_EL1 and VBAR_EL1 accesses. ARM v8.3 > introduces the HCR_EL2.NV1 bit to be able to trap on those register > accesses in EL1. Do not set this bit until the whole nesting support is > complete. You'll only enable this feature for a non-VHE guest hypervisor, right? > > Signed-off-by: Jintack Lim <jintack@cs.columbia.edu> > --- > arch/arm64/kvm/sys_regs.c | 41 ++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 40 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c > index 0f5d21b..19d6a6e 100644 > --- a/arch/arm64/kvm/sys_regs.c > +++ b/arch/arm64/kvm/sys_regs.c > @@ -898,6 +898,38 @@ static bool access_cntp_cval(struct kvm_vcpu *vcpu, > return true; > } > > +static inline void access_rw(struct sys_reg_params *p, u64 *sysreg) > +{ > + if (!p->is_write) > + p->regval = *sysreg; > + else > + *sysreg = p->regval; > +} > + > +static bool access_elr(struct kvm_vcpu *vcpu, > + struct sys_reg_params *p, > + const struct sys_reg_desc *r) > +{ > + access_rw(p, &vcpu->arch.ctxt.gp_regs.elr_el1); > + return true; > +} > + > +static bool access_spsr(struct kvm_vcpu *vcpu, > + struct sys_reg_params *p, > + const struct sys_reg_desc *r) > +{ > + access_rw(p, &vcpu->arch.ctxt.gp_regs.spsr[KVM_SPSR_EL1]); > + return true; > +} > + > +static bool access_vbar(struct kvm_vcpu *vcpu, > + struct sys_reg_params *p, > + const struct sys_reg_desc *r) > +{ > + access_rw(p, &vcpu_sys_reg(vcpu, r->reg)); > + return true; > +} > + > static bool trap_el2_reg(struct kvm_vcpu *vcpu, > struct sys_reg_params *p, > const struct sys_reg_desc *r) > @@ -1013,6 +1045,13 @@ static bool trap_el2_reg(struct kvm_vcpu *vcpu, > { Op0(0b11), Op1(0b000), CRn(0b0010), CRm(0b0000), Op2(0b010), > access_vm_reg, reset_val, TCR_EL1, 0 }, > > + /* SPSR_EL1 */ > + { Op0(0b11), Op1(0b000), CRn(0b0100), CRm(0b0000), Op2(0b000), > + access_spsr}, > + /* ELR_EL1 */ > + { Op0(0b11), Op1(0b000), CRn(0b0100), CRm(0b0000), Op2(0b001), > + access_elr}, > + > /* AFSR0_EL1 */ > { Op0(0b11), Op1(0b000), CRn(0b0101), CRm(0b0001), Op2(0b000), > access_vm_reg, reset_unknown, AFSR0_EL1 }, > @@ -1045,7 +1084,7 @@ static bool trap_el2_reg(struct kvm_vcpu *vcpu, > > /* VBAR_EL1 */ > { Op0(0b11), Op1(0b000), CRn(0b1100), CRm(0b0000), Op2(0b000), > - NULL, reset_val, VBAR_EL1, 0 }, > + access_vbar, reset_val, VBAR_EL1, 0 }, > > /* ICC_SGI1R_EL1 */ > { Op0(0b11), Op1(0b000), CRn(0b1100), CRm(0b1011), Op2(0b101), > -- > 1.9.1 > >
WARNING: multiple messages have this Message-ID (diff)
From: cdall@linaro.org (Christoffer Dall) To: linux-arm-kernel@lists.infradead.org Subject: [RFC 17/55] KVM: arm64: Trap SPSR_EL1, ELR_EL1 and VBAR_EL1 in virtual EL2 Date: Wed, 22 Feb 2017 12:40:26 +0100 [thread overview] Message-ID: <20170222114026.GK26976@cbox> (raw) In-Reply-To: <1483943091-1364-18-git-send-email-jintack@cs.columbia.edu> On Mon, Jan 09, 2017 at 01:24:13AM -0500, Jintack Lim wrote: > For the same reason we trap virtual memory register accesses in virtual > EL2, we need to trap SPSR_EL1, ELR_EL1 and VBAR_EL1 accesses. ARM v8.3 > introduces the HCR_EL2.NV1 bit to be able to trap on those register > accesses in EL1. Do not set this bit until the whole nesting support is > complete. You'll only enable this feature for a non-VHE guest hypervisor, right? > > Signed-off-by: Jintack Lim <jintack@cs.columbia.edu> > --- > arch/arm64/kvm/sys_regs.c | 41 ++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 40 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c > index 0f5d21b..19d6a6e 100644 > --- a/arch/arm64/kvm/sys_regs.c > +++ b/arch/arm64/kvm/sys_regs.c > @@ -898,6 +898,38 @@ static bool access_cntp_cval(struct kvm_vcpu *vcpu, > return true; > } > > +static inline void access_rw(struct sys_reg_params *p, u64 *sysreg) > +{ > + if (!p->is_write) > + p->regval = *sysreg; > + else > + *sysreg = p->regval; > +} > + > +static bool access_elr(struct kvm_vcpu *vcpu, > + struct sys_reg_params *p, > + const struct sys_reg_desc *r) > +{ > + access_rw(p, &vcpu->arch.ctxt.gp_regs.elr_el1); > + return true; > +} > + > +static bool access_spsr(struct kvm_vcpu *vcpu, > + struct sys_reg_params *p, > + const struct sys_reg_desc *r) > +{ > + access_rw(p, &vcpu->arch.ctxt.gp_regs.spsr[KVM_SPSR_EL1]); > + return true; > +} > + > +static bool access_vbar(struct kvm_vcpu *vcpu, > + struct sys_reg_params *p, > + const struct sys_reg_desc *r) > +{ > + access_rw(p, &vcpu_sys_reg(vcpu, r->reg)); > + return true; > +} > + > static bool trap_el2_reg(struct kvm_vcpu *vcpu, > struct sys_reg_params *p, > const struct sys_reg_desc *r) > @@ -1013,6 +1045,13 @@ static bool trap_el2_reg(struct kvm_vcpu *vcpu, > { Op0(0b11), Op1(0b000), CRn(0b0010), CRm(0b0000), Op2(0b010), > access_vm_reg, reset_val, TCR_EL1, 0 }, > > + /* SPSR_EL1 */ > + { Op0(0b11), Op1(0b000), CRn(0b0100), CRm(0b0000), Op2(0b000), > + access_spsr}, > + /* ELR_EL1 */ > + { Op0(0b11), Op1(0b000), CRn(0b0100), CRm(0b0000), Op2(0b001), > + access_elr}, > + > /* AFSR0_EL1 */ > { Op0(0b11), Op1(0b000), CRn(0b0101), CRm(0b0001), Op2(0b000), > access_vm_reg, reset_unknown, AFSR0_EL1 }, > @@ -1045,7 +1084,7 @@ static bool trap_el2_reg(struct kvm_vcpu *vcpu, > > /* VBAR_EL1 */ > { Op0(0b11), Op1(0b000), CRn(0b1100), CRm(0b0000), Op2(0b000), > - NULL, reset_val, VBAR_EL1, 0 }, > + access_vbar, reset_val, VBAR_EL1, 0 }, > > /* ICC_SGI1R_EL1 */ > { Op0(0b11), Op1(0b000), CRn(0b1100), CRm(0b1011), Op2(0b101), > -- > 1.9.1 > >
next prev parent reply other threads:[~2017-02-22 11:40 UTC|newest] Thread overview: 322+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-01-09 6:23 [RFC 00/55] Nested Virtualization on KVM/ARM Jintack Lim 2017-01-09 6:23 ` Jintack Lim 2017-01-09 6:23 ` Jintack Lim 2017-01-09 6:23 ` [RFC 01/55] arm64: Add missing TCR hw defines Jintack Lim 2017-01-09 6:23 ` Jintack Lim 2017-01-09 6:23 ` Jintack Lim 2017-01-09 6:23 ` [RFC 02/55] KVM: arm64: Add nesting config option Jintack Lim 2017-01-09 6:23 ` Jintack Lim 2017-01-09 6:23 ` Jintack Lim 2017-01-09 6:23 ` [RFC 03/55] KVM: arm64: Add KVM nesting feature Jintack Lim 2017-01-09 6:23 ` Jintack Lim 2017-01-09 6:23 ` Jintack Lim 2017-01-09 6:24 ` [RFC 04/55] KVM: arm64: Allow userspace to set PSR_MODE_EL2x Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 05/55] KVM: arm64: Add vcpu_mode_el2 primitive to support nesting Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 06/55] KVM: arm64: Add EL2 execution context for nesting Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:10 ` Christoffer Dall 2017-02-22 11:10 ` Christoffer Dall 2017-02-22 11:10 ` Christoffer Dall 2017-06-26 14:33 ` Jintack Lim 2017-06-26 14:33 ` Jintack Lim 2017-06-26 14:33 ` Jintack Lim 2017-07-03 9:03 ` Christoffer Dall 2017-07-03 9:03 ` Christoffer Dall 2017-07-03 9:03 ` Christoffer Dall 2017-07-03 9:32 ` Marc Zyngier 2017-07-03 9:32 ` Marc Zyngier 2017-07-03 9:32 ` Marc Zyngier 2017-07-03 9:54 ` Christoffer Dall 2017-07-03 9:54 ` Christoffer Dall 2017-07-03 9:54 ` Christoffer Dall 2017-07-03 14:44 ` Jintack Lim 2017-07-03 14:44 ` Jintack Lim 2017-07-03 14:44 ` Jintack Lim 2017-07-03 15:30 ` Christoffer Dall 2017-07-03 15:30 ` Christoffer Dall 2017-07-03 15:30 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 07/55] KVM: arm/arm64: Add virtual EL2 state emulation framework Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:12 ` Christoffer Dall 2017-02-22 11:12 ` Christoffer Dall 2017-02-22 11:12 ` Christoffer Dall 2017-06-01 20:05 ` Bandan Das 2017-06-01 20:05 ` Bandan Das 2017-06-02 11:51 ` Christoffer Dall 2017-06-02 11:51 ` Christoffer Dall 2017-06-02 11:51 ` Christoffer Dall 2017-06-02 17:36 ` Bandan Das 2017-06-02 17:36 ` Bandan Das 2017-06-02 17:36 ` Bandan Das 2017-06-02 19:06 ` Christoffer Dall 2017-06-02 19:06 ` Christoffer Dall 2017-06-02 19:06 ` Christoffer Dall 2017-06-02 19:25 ` Bandan Das 2017-06-02 19:25 ` Bandan Das 2017-06-02 19:25 ` Bandan Das [not found] ` <20170602194353.GG397@cbox> 2017-06-02 20:18 ` Bandan Das 2017-06-02 21:15 ` Christoffer Dall 2017-06-02 23:49 ` Bandan Das 2017-01-09 6:24 ` [RFC 08/55] KVM: arm64: Set virtual EL2 context depending on the guest exception level Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:14 ` Christoffer Dall 2017-02-22 11:14 ` Christoffer Dall 2017-02-22 11:14 ` Christoffer Dall 2017-06-01 20:22 ` Bandan Das 2017-06-01 20:22 ` Bandan Das 2017-06-02 8:48 ` Marc Zyngier 2017-06-02 8:48 ` Marc Zyngier 2017-06-02 8:48 ` Marc Zyngier 2017-01-09 6:24 ` [RFC 09/55] KVM: arm64: Set shadow EL1 registers for virtual EL2 execution Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:19 ` Christoffer Dall 2017-02-22 11:19 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 10/55] KVM: arm64: Synchronize EL1 system registers on virtual EL2 entry and exit Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-06-06 20:16 ` Bandan Das 2017-06-06 20:16 ` Bandan Das 2017-06-06 20:16 ` Bandan Das 2017-06-07 4:26 ` Jintack Lim 2017-06-07 4:26 ` Jintack Lim 2017-01-09 6:24 ` [RFC 11/55] KVM: arm64: Emulate taking an exception to the guest hypervisor Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:28 ` Christoffer Dall 2017-02-22 11:28 ` Christoffer Dall 2017-02-22 11:28 ` Christoffer Dall 2017-06-06 20:21 ` Bandan Das 2017-06-06 20:21 ` Bandan Das 2017-06-06 20:21 ` Bandan Das 2017-06-06 20:38 ` Jintack Lim 2017-06-06 20:38 ` Jintack Lim 2017-06-06 22:07 ` Bandan Das 2017-06-06 22:07 ` Bandan Das 2017-06-06 23:16 ` Jintack Lim 2017-06-06 23:16 ` Jintack Lim 2017-06-06 23:16 ` Jintack Lim 2017-06-07 17:21 ` Bandan Das 2017-06-07 17:21 ` Bandan Das 2017-01-09 6:24 ` [RFC 12/55] KVM: arm64: Handle EL2 register access traps Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:30 ` Christoffer Dall 2017-02-22 11:30 ` Christoffer Dall 2017-02-22 11:31 ` Christoffer Dall 2017-02-22 11:31 ` Christoffer Dall 2017-02-22 11:31 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 13/55] KVM: arm64: Handle eret instruction traps Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 14/55] KVM: arm64: Take account of system " Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:34 ` Christoffer Dall 2017-02-22 11:34 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 15/55] KVM: arm64: Trap EL1 VM register accesses in virtual EL2 Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 16/55] KVM: arm64: Forward VM reg traps to the guest hypervisor Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:39 ` Christoffer Dall 2017-02-22 11:39 ` Christoffer Dall 2017-02-22 11:39 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 17/55] KVM: arm64: Trap SPSR_EL1, ELR_EL1 and VBAR_EL1 in virtual EL2 Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:40 ` Christoffer Dall [this message] 2017-02-22 11:40 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 18/55] KVM: arm64: Forward traps due to HCR_EL2.NV1 bit to the guest hypervisor Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:41 ` Christoffer Dall 2017-02-22 11:41 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 19/55] KVM: arm64: Trap CPACR_EL1 access in virtual EL2 Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 20/55] KVM: arm64: Forward CPACR_EL1 traps to the guest hypervisor Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 21/55] KVM: arm64: Forward HVC instruction " Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 11:47 ` Christoffer Dall 2017-02-22 11:47 ` Christoffer Dall 2017-02-22 11:47 ` Christoffer Dall 2017-06-26 15:21 ` Jintack Lim 2017-06-26 15:21 ` Jintack Lim 2017-06-26 15:21 ` Jintack Lim 2017-07-03 9:08 ` Christoffer Dall 2017-07-03 9:08 ` Christoffer Dall 2017-07-03 9:08 ` Christoffer Dall 2017-07-03 9:31 ` Andrew Jones 2017-07-03 9:31 ` Andrew Jones 2017-07-03 9:31 ` Andrew Jones 2017-07-03 9:51 ` Christoffer Dall 2017-07-03 9:51 ` Christoffer Dall 2017-07-03 9:51 ` Christoffer Dall 2017-07-03 12:03 ` Will Deacon 2017-07-03 12:03 ` Will Deacon 2017-07-03 12:03 ` Will Deacon 2017-07-03 12:35 ` Marc Zyngier 2017-07-03 12:35 ` Marc Zyngier 2017-07-03 12:35 ` Marc Zyngier 2017-07-03 13:29 ` Jintack Lim 2017-07-03 13:29 ` Jintack Lim 2017-07-03 13:29 ` Jintack Lim 2017-01-09 6:24 ` [RFC 22/55] KVM: arm64: Handle PSCI call from the guest Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 23/55] KVM: arm64: Forward WFX to the guest hypervisor Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 24/55] KVM: arm64: Forward FP exceptions " Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 25/55] KVM: arm/arm64: Let vcpu thread modify its own active state Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 12:27 ` Christoffer Dall 2017-02-22 12:27 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 26/55] KVM: arm/arm64: Add VGIC data structures for the nesting Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 27/55] KVM: arm/arm64: Emulate GICH interface on GICv2 Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 13:06 ` Christoffer Dall 2017-02-22 13:06 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 28/55] KVM: arm/arm64: Prepare vgic state for the nested VM Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 13:12 ` Christoffer Dall 2017-02-22 13:12 ` Christoffer Dall 2017-02-22 13:12 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 29/55] KVM: arm/arm64: Set up the prepared vgic state Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 30/55] KVM: arm/arm64: Inject irqs to the guest hypervisor Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 13:16 ` Christoffer Dall 2017-02-22 13:16 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 31/55] KVM: arm/arm64: Inject maintenance interrupts " Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 13:19 ` Christoffer Dall 2017-02-22 13:19 ` Christoffer Dall 2017-02-22 13:19 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 32/55] KVM: arm/arm64: register GICH iodev for " Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 13:21 ` Christoffer Dall 2017-02-22 13:21 ` Christoffer Dall 2017-02-22 13:21 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 33/55] KVM: arm/arm64: Remove unused params in mmu functions Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 34/55] KVM: arm/arm64: Abstract stage-2 MMU state into a separate structure Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 35/55] KVM: arm/arm64: Support mmu for the virtual EL2 execution Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 13:38 ` Christoffer Dall 2017-02-22 13:38 ` Christoffer Dall 2017-02-22 13:38 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 36/55] KVM: arm64: Invalidate virtual EL2 TLB entries when needed Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 37/55] KVM: arm64: Setup vttbr_el2 on each VM entry Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 38/55] KVM: arm/arm64: Make mmu functions non-static Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 39/55] KVM: arm/arm64: Add mmu context for the nesting Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 13:34 ` Christoffer Dall 2017-02-22 13:34 ` Christoffer Dall 2017-02-22 13:34 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 40/55] KVM: arm/arm64: Handle vttbr_el2 write operation from the guest hypervisor Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 17:59 ` Christoffer Dall 2017-02-22 17:59 ` Christoffer Dall 2017-02-22 17:59 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 41/55] KVM: arm/arm64: Unmap/flush shadow stage 2 page tables Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 18:09 ` Christoffer Dall 2017-02-22 18:09 ` Christoffer Dall 2017-02-22 18:09 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 42/55] KVM: arm64: Implement nested Stage-2 page table walk logic Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 43/55] KVM: arm/arm64: Handle shadow stage 2 page faults Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 44/55] KVM: arm/arm64: Move kvm_is_write_fault to header file Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 45/55] KVM: arm64: KVM: Inject stage-2 page faults Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 46/55] KVM: arm64: Add more info to the S2 translation result Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 47/55] KVM: arm/arm64: Forward the guest hypervisor's stage 2 permission faults Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 18:15 ` Christoffer Dall 2017-02-22 18:15 ` Christoffer Dall 2017-02-22 18:15 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 48/55] KVM: arm64: Emulate TLBI instruction Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 49/55] KVM: arm64: Fixes to toggle_cache for nesting Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 50/55] KVM: arm/arm64: Abstract kvm_phys_addr_ioremap() function Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 51/55] KVM: arm64: Expose physical address of vcpu interface Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 52/55] KVM: arm/arm64: Create a vcpu mapping for the nested VM Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 53/55] KVM: arm64: Reflect shadow VMPIDR_EL2 value to MPIDR_EL1 Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` [RFC 54/55] KVM: arm/arm64: Adjust virtual offset considering nesting Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-02-22 19:28 ` Christoffer Dall 2017-02-22 19:28 ` Christoffer Dall 2017-02-22 19:28 ` Christoffer Dall 2017-01-09 6:24 ` [RFC 55/55] KVM: arm64: Enable nested virtualization Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 6:24 ` Jintack Lim 2017-01-09 15:05 ` [RFC 00/55] Nested Virtualization on KVM/ARM David Hildenbrand 2017-01-09 15:05 ` David Hildenbrand 2017-01-10 16:18 ` Jintack Lim 2017-01-10 16:18 ` Jintack Lim 2017-01-10 16:18 ` Jintack Lim 2017-02-22 18:23 ` Christoffer Dall 2017-02-22 18:23 ` Christoffer Dall 2017-02-22 18:23 ` Christoffer Dall 2017-02-24 10:08 ` Jintack Lim 2017-02-24 10:28 ` Jintack Lim 2017-02-24 10:28 ` Jintack Lim 2017-02-24 10:28 ` Jintack Lim
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