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Re: [Qemu-devel] [PATCH v2] kvm: x86: q35: Add support for -machine kern
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [PATCH v2] kvm: x86: q35: Add support for -machine kernel_irqchip=split for q35 |
Date: |
Mon, 7 Mar 2016 20:25:10 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2016-03-07 20:22, Rita Sinha wrote:
> The split IRQ chip mode via KVM_CAP_SPLIT_IRQCHIP was introduced with commit
> 15eafc2e60 but was broken for q35. This patch makes kernel_irqchip=split
> functional for q35.
>
> Signed-off-by: Rita Sinha <address@hidden>
> ---
> hw/i386/pc_q35.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
> index 46522c9..fcc127b 100644
> --- a/hw/i386/pc_q35.c
> +++ b/hw/i386/pc_q35.c
> @@ -39,6 +39,7 @@
> #include "hw/kvm/clock.h"
> #include "hw/pci-host/q35.h"
> #include "exec/address-spaces.h"
> +#include "hw/i386/pc.h"
> #include "hw/i386/ich9.h"
> #include "hw/smbios/smbios.h"
> #include "hw/ide/pci.h"
> @@ -145,7 +146,7 @@ static void pc_q35_init(MachineState *machine)
>
> /* irq lines */
> gsi_state = g_malloc0(sizeof(*gsi_state));
> - if (kvm_irqchip_in_kernel()) {
> + if (kvm_ioapic_in_kernel()) {
> kvm_pc_setup_irq_routing(pcmc->pci_enabled);
> gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
> GSI_NUM_PINS);
> @@ -192,7 +193,7 @@ static void pc_q35_init(MachineState *machine)
> /*end early*/
> isa_bus_irqs(isa_bus, gsi);
>
> - if (kvm_irqchip_in_kernel()) {
> + if (kvm_pic_in_kernel()) {
> i8259 = kvm_i8259_init(isa_bus);
> } else if (xen_enabled()) {
> i8259 = xen_interrupt_controller_init();
>
Reviewed-by: Jan Kiszka <address@hidden>