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Re: [PATCH v2] hw/i386: disable smbus migration for xenfv
From: |
Paolo Bonzini |
Subject: |
Re: [PATCH v2] hw/i386: disable smbus migration for xenfv |
Date: |
Wed, 19 Feb 2020 09:05:49 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 |
On 18/02/20 20:44, Olaf Hering wrote:
> Am Tue, 18 Feb 2020 18:37:09 +0100
> schrieb Paolo Bonzini <address@hidden>:
>
>> On 18/02/20 18:27, Olaf Hering wrote:
>>> The approach below (making 'xenfv' an alias of 'pc') does not work:
>>> xen_enabled() is false when pc_i440fx_3_1_machine_options runs.
>> Don't use an alias, copy the 3.1 code into the xenfv machine type and/or
>> call the 3.1 functions from the xenfv machine type.
>
> In the end it may look like this.
>
> Let me know about any preferences regarding the naming of configure options
> and variables.
Has any version of Xen been released with a QEMU version above 3.1?
Paolo
>
> Olaf
>
> diff --git a/configure b/configure
> index 6f5d850949..65ca345fd6 100755
> --- a/configure
> +++ b/configure
> @@ -368,6 +368,7 @@ vnc_jpeg=""
> vnc_png=""
> xkbcommon=""
> xen=""
> +xen_hvm_pc_i440fx_version_3_1=""
> xen_ctrl_version=""
> xen_pci_passthrough=""
> linux_aio=""
> @@ -1162,6 +1163,10 @@ for opt do
> ;;
> --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
> ;;
> + --disable-xenfv-i440fx-version-3_1) xen_hvm_pc_i440fx_version_3_1="no"
> + ;;
> + --enable-xenfv-i440fx-version-3_1) xen_hvm_pc_i440fx_version_3_1="yes"
> + ;;
> --disable-brlapi) brlapi="no"
> ;;
> --enable-brlapi) brlapi="yes"
> @@ -7836,6 +7841,9 @@ if supported_xen_target $target; then
> if test "$xen_pci_passthrough" = yes; then
> echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
> fi
> + if test "$xen_hvm_pc_i440fx_version_3_1" = yes; then
> + echo "CONFIG_XEN_HVM_PC_I440FX_VERSION_3_1=y" >> "$config_target_mak"
> + fi
> else
> echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
> fi
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index fa12203079..83d1fcc0ba 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -949,6 +949,11 @@ DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa,
> #ifdef CONFIG_XEN
> static void xenfv_machine_options(MachineClass *m)
> {
> +#ifdef CONFIG_XEN_HVM_PC_I440FX_VERSION_3_1
> + pc_i440fx_3_1_machine_options(m);
> +#else
> + pc_i440fx_4_2_machine_options(m);
> +#endif
> m->desc = "Xen Fully-virtualized PC";
> m->max_cpus = HVM_MAX_VCPUS;
> m->default_machine_opts = "accel=xen";
>
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