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Re: [Qemu-arm] [Qemu-devel] [PATCH] KVM: GIC: Fix memory leak due to cal
From: |
Auger Eric |
Subject: |
Re: [Qemu-arm] [Qemu-devel] [PATCH] KVM: GIC: Fix memory leak due to calling kvm_init_irq_routing twice |
Date: |
Thu, 31 May 2018 09:54:42 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 |
Hi Shannon,
On 05/31/2018 09:16 AM, Shannon Zhao wrote:
> kvm_irqchip_create called by kvm_init will call kvm_init_irq_routing to
> initialize global capability variables. If we call kvm_init_irq_routing in
> GIC realize function, previous allocated memory will leak.
>
> Fix this by deleting the unnecessary call.
>
> Signed-off-by: Shannon Zhao <address@hidden>
openpic_kvm seems to suffer the same leak. Don't you want to fix it as
well?
Reviewed-by: Eric Auger <address@hidden>
Thanks
Eric
> ---
> hw/intc/arm_gic_kvm.c | 1 -
> hw/intc/arm_gicv3_kvm.c | 1 -
> 2 files changed, 2 deletions(-)
>
> diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c
> index 6f467e6..204369d 100644
> --- a/hw/intc/arm_gic_kvm.c
> +++ b/hw/intc/arm_gic_kvm.c
> @@ -572,7 +572,6 @@ static void kvm_arm_gic_realize(DeviceState *dev, Error
> **errp)
>
> if (kvm_has_gsi_routing()) {
> /* set up irq routing */
> - kvm_init_irq_routing(kvm_state);
> for (i = 0; i < s->num_irq - GIC_INTERNAL; ++i) {
> kvm_irqchip_add_irq_route(kvm_state, i, 0, i);
> }
> diff --git a/hw/intc/arm_gicv3_kvm.c b/hw/intc/arm_gicv3_kvm.c
> index 001d82b..aa4c7c5 100644
> --- a/hw/intc/arm_gicv3_kvm.c
> +++ b/hw/intc/arm_gicv3_kvm.c
> @@ -813,7 +813,6 @@ static void kvm_arm_gicv3_realize(DeviceState *dev, Error
> **errp)
>
> if (kvm_has_gsi_routing()) {
> /* set up irq routing */
> - kvm_init_irq_routing(kvm_state);
> for (i = 0; i < s->num_irq - GIC_INTERNAL; ++i) {
> kvm_irqchip_add_irq_route(kvm_state, i, 0, i);
> }
>