Re: [PATCH] [fix] kernel does not compile without CONFIG_KVM_ARM_VGIC
On Thu, Mar 06, 2014 at 03:30:46AM +, Marc Zyngier wrote: Paolo, Michele, On 2014-03-04 15:31, Paolo Bonzini wrote: Il 04/03/2014 16:10, Michele Paolino ha scritto: When the kernel is configured without CONFIG_KVM_ARM_VGIC, the compilation process fails with : arch/arm/kvm/arm.c: In function 'kvm_vm_ioctl_set_device_addr': arch/arm/kvm/arm.c:797:3: error: implicit declaration of function 'kvm_vgic_addr' [-Werror=implicit-function-declaration] return kvm_vgic_addr(kvm, type, dev_addr-addr, true) Signed-off-by: Michele Paolino m.paol...@virtualopensystems.com --- include/kvm/arm_vgic.h |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index be85127..0bab057 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -143,8 +143,8 @@ struct kvm_vcpu; struct kvm_run; struct kvm_exit_mmio; -#ifdef CONFIG_KVM_ARM_VGIC int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write); +#ifdef CONFIG_KVM_ARM_VGIC int kvm_vgic_hyp_init(void); int kvm_vgic_init(struct kvm *kvm); int kvm_vgic_create(struct kvm *kvm); Christoffer, Marc, I can queue this directly for kvm/master if it's okay for you. This patch looks a bit wrong. Why would we need to configure the vgic addresses if the vgic is explicitly disabled? Furthermore, I doubt it leads to a kernel that actually links, as the file containing kvm_vgic_addr will not be compiled... Instead, please consider applying the attached patch (quickly tested on a Cubietruck). Thanks, M. -- Fast, cheap, reliable. Pick two. From 0876a7f6851e011b24f61ccbada35a5e8b898dd2 Mon Sep 17 00:00:00 2001 From: Marc Zyngier marc.zyng...@arm.com Date: Thu, 6 Mar 2014 03:21:36 + Subject: [PATCH] ARM: KVM: fix non-VGIC compilation Add a stub for kvm_vgic_addr when compiling without CONFIG_KVM_ARM_VGIC. The usefulness of this configurarion is extremely doubtful, but let's fix it anyway (until we decide that we'll always support a VGIC). Reported-by: Michele Paolino m.paol...@virtualopensystems.com Cc: Paolo Bonzini pbonz...@redhat.com Cc: Christoffer Dall christoffer.d...@linaro.org Signed-off-by: Marc Zyngier marc.zyng...@arm.com --- include/kvm/arm_vgic.h | 5 + 1 file changed, 5 insertions(+) diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index be85127..f27000f 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -171,6 +171,11 @@ static inline int kvm_vgic_set_addr(struct kvm *kvm, unsigned long type, u64 add return 0; } +static inline int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write) +{ + return -ENXIO; +} + static inline int kvm_vgic_init(struct kvm *kvm) { return 0; -- 1.9.0 This looks right to me. I can queue this for the next -rc release. Thanks, -Christoffer -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] [fix] kernel does not compile without CONFIG_KVM_ARM_VGIC
On Thu, Mar 06, 2014 at 03:30:46AM +, Marc Zyngier wrote: Paolo, Michele, On 2014-03-04 15:31, Paolo Bonzini wrote: Il 04/03/2014 16:10, Michele Paolino ha scritto: When the kernel is configured without CONFIG_KVM_ARM_VGIC, the compilation process fails with : arch/arm/kvm/arm.c: In function 'kvm_vm_ioctl_set_device_addr': arch/arm/kvm/arm.c:797:3: error: implicit declaration of function 'kvm_vgic_addr' [-Werror=implicit-function-declaration] return kvm_vgic_addr(kvm, type, dev_addr-addr, true) Signed-off-by: Michele Paolino m.paol...@virtualopensystems.com --- include/kvm/arm_vgic.h |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index be85127..0bab057 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -143,8 +143,8 @@ struct kvm_vcpu; struct kvm_run; struct kvm_exit_mmio; -#ifdef CONFIG_KVM_ARM_VGIC int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write); +#ifdef CONFIG_KVM_ARM_VGIC int kvm_vgic_hyp_init(void); int kvm_vgic_init(struct kvm *kvm); int kvm_vgic_create(struct kvm *kvm); Christoffer, Marc, I can queue this directly for kvm/master if it's okay for you. This patch looks a bit wrong. Why would we need to configure the vgic addresses if the vgic is explicitly disabled? Furthermore, I doubt it leads to a kernel that actually links, as the file containing kvm_vgic_addr will not be compiled... Instead, please consider applying the attached patch (quickly tested on a Cubietruck). Thanks, M. -- Fast, cheap, reliable. Pick two. From 0876a7f6851e011b24f61ccbada35a5e8b898dd2 Mon Sep 17 00:00:00 2001 From: Marc Zyngier marc.zyng...@arm.com Date: Thu, 6 Mar 2014 03:21:36 + Subject: [PATCH] ARM: KVM: fix non-VGIC compilation Add a stub for kvm_vgic_addr when compiling without CONFIG_KVM_ARM_VGIC. The usefulness of this configurarion is extremely doubtful, but let's fix it anyway (until we decide that we'll always support a VGIC). Reported-by: Michele Paolino m.paol...@virtualopensystems.com Cc: Paolo Bonzini pbonz...@redhat.com Cc: Christoffer Dall christoffer.d...@linaro.org Signed-off-by: Marc Zyngier marc.zyng...@arm.com --- include/kvm/arm_vgic.h | 5 + 1 file changed, 5 insertions(+) diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index be85127..f27000f 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -171,6 +171,11 @@ static inline int kvm_vgic_set_addr(struct kvm *kvm, unsigned long type, u64 add return 0; } +static inline int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write) +{ + return -ENXIO; +} + static inline int kvm_vgic_init(struct kvm *kvm) { return 0; -- 1.9.0 Ah, never mind, it was already applied. Thanks Paolo. -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] [fix] kernel does not compile without CONFIG_KVM_ARM_VGIC
Paolo, Michele, On 2014-03-04 15:31, Paolo Bonzini wrote: Il 04/03/2014 16:10, Michele Paolino ha scritto: When the kernel is configured without CONFIG_KVM_ARM_VGIC, the compilation process fails with : arch/arm/kvm/arm.c: In function 'kvm_vm_ioctl_set_device_addr': arch/arm/kvm/arm.c:797:3: error: implicit declaration of function 'kvm_vgic_addr' [-Werror=implicit-function-declaration] return kvm_vgic_addr(kvm, type, dev_addr-addr, true) Signed-off-by: Michele Paolino m.paol...@virtualopensystems.com --- include/kvm/arm_vgic.h |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index be85127..0bab057 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -143,8 +143,8 @@ struct kvm_vcpu; struct kvm_run; struct kvm_exit_mmio; -#ifdef CONFIG_KVM_ARM_VGIC int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write); +#ifdef CONFIG_KVM_ARM_VGIC int kvm_vgic_hyp_init(void); int kvm_vgic_init(struct kvm *kvm); int kvm_vgic_create(struct kvm *kvm); Christoffer, Marc, I can queue this directly for kvm/master if it's okay for you. This patch looks a bit wrong. Why would we need to configure the vgic addresses if the vgic is explicitly disabled? Furthermore, I doubt it leads to a kernel that actually links, as the file containing kvm_vgic_addr will not be compiled... Instead, please consider applying the attached patch (quickly tested on a Cubietruck). Thanks, M. -- Fast, cheap, reliable. Pick two.From 0876a7f6851e011b24f61ccbada35a5e8b898dd2 Mon Sep 17 00:00:00 2001 From: Marc Zyngier marc.zyng...@arm.com Date: Thu, 6 Mar 2014 03:21:36 + Subject: [PATCH] ARM: KVM: fix non-VGIC compilation Add a stub for kvm_vgic_addr when compiling without CONFIG_KVM_ARM_VGIC. The usefulness of this configurarion is extremely doubtful, but let's fix it anyway (until we decide that we'll always support a VGIC). Reported-by: Michele Paolino m.paol...@virtualopensystems.com Cc: Paolo Bonzini pbonz...@redhat.com Cc: Christoffer Dall christoffer.d...@linaro.org Signed-off-by: Marc Zyngier marc.zyng...@arm.com --- include/kvm/arm_vgic.h | 5 + 1 file changed, 5 insertions(+) diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index be85127..f27000f 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -171,6 +171,11 @@ static inline int kvm_vgic_set_addr(struct kvm *kvm, unsigned long type, u64 add return 0; } +static inline int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write) +{ + return -ENXIO; +} + static inline int kvm_vgic_init(struct kvm *kvm) { return 0; -- 1.9.0
[PATCH] [fix] kernel does not compile without CONFIG_KVM_ARM_VGIC
When the kernel is configured without CONFIG_KVM_ARM_VGIC, the compilation process fails with : arch/arm/kvm/arm.c: In function 'kvm_vm_ioctl_set_device_addr': arch/arm/kvm/arm.c:797:3: error: implicit declaration of function 'kvm_vgic_addr' [-Werror=implicit-function-declaration] return kvm_vgic_addr(kvm, type, dev_addr-addr, true) Signed-off-by: Michele Paolino m.paol...@virtualopensystems.com --- include/kvm/arm_vgic.h |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index be85127..0bab057 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -143,8 +143,8 @@ struct kvm_vcpu; struct kvm_run; struct kvm_exit_mmio; -#ifdef CONFIG_KVM_ARM_VGIC int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write); +#ifdef CONFIG_KVM_ARM_VGIC int kvm_vgic_hyp_init(void); int kvm_vgic_init(struct kvm *kvm); int kvm_vgic_create(struct kvm *kvm); -- 1.7.9.5 -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] [fix] kernel does not compile without CONFIG_KVM_ARM_VGIC
Il 04/03/2014 16:10, Michele Paolino ha scritto: When the kernel is configured without CONFIG_KVM_ARM_VGIC, the compilation process fails with : arch/arm/kvm/arm.c: In function 'kvm_vm_ioctl_set_device_addr': arch/arm/kvm/arm.c:797:3: error: implicit declaration of function 'kvm_vgic_addr' [-Werror=implicit-function-declaration] return kvm_vgic_addr(kvm, type, dev_addr-addr, true) Signed-off-by: Michele Paolino m.paol...@virtualopensystems.com --- include/kvm/arm_vgic.h |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index be85127..0bab057 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -143,8 +143,8 @@ struct kvm_vcpu; struct kvm_run; struct kvm_exit_mmio; -#ifdef CONFIG_KVM_ARM_VGIC int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write); +#ifdef CONFIG_KVM_ARM_VGIC int kvm_vgic_hyp_init(void); int kvm_vgic_init(struct kvm *kvm); int kvm_vgic_create(struct kvm *kvm); Christoffer, Marc, I can queue this directly for kvm/master if it's okay for you. Paolo -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html