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Re: [Qemu-block] [Qemu-devel] [PATCH v2 4/8] hw: Default -drive to if=no


From: Thomas Huth
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH v2 4/8] hw: Default -drive to if=none instead of scsi when scsi cannot work
Date: Thu, 26 Jan 2017 18:59:30 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0

On 26.01.2017 16:09, Markus Armbruster wrote:
> Block backends defined with -drive if=scsi are meant to be picked up
> by machine initialization code: a suitable frontend gets created and
> wired up automatically.
> 
> if=scsi drives not picked up that way can still be used with -device
> as if they had if=none, but that's unclean and best avoided.  Unused
> ones produce an "Orphaned drive without device" warning.
> 
> A few machine types default to if=scsi, even though they don't
> actually have a SCSI HBA.  This makes no sense.  Change their default
> to if=none.  Affected machines:
> 
> * aarch64/arm: realview-pbx-a9 vexpress-a9 vexpress-a15 xilinx-zynq-a9
> 
> Cc: Peter Maydell <address@hidden>
> Cc: "Edgar E. Iglesias" <address@hidden>
> Cc: Alistair Francis <address@hidden>
> Cc: address@hidden
> Signed-off-by: Markus Armbruster <address@hidden>
> ---
>  hw/arm/realview.c    | 1 -
>  hw/arm/vexpress.c    | 1 -
>  hw/arm/xilinx_zynq.c | 1 -
>  3 files changed, 3 deletions(-)
> 
> diff --git a/hw/arm/realview.c b/hw/arm/realview.c
> index 8eafcca..8c11c7a 100644
> --- a/hw/arm/realview.c
> +++ b/hw/arm/realview.c
> @@ -443,7 +443,6 @@ static void realview_pbx_a9_class_init(ObjectClass *oc, 
> void *data)
>  
>      mc->desc = "ARM RealView Platform Baseboard Explore for Cortex-A9";
>      mc->init = realview_pbx_a9_init;
> -    mc->block_default_type = IF_SCSI;
>      mc->max_cpus = 4;
>  }
>  
> diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c
> index 58760f4..5756470 100644
> --- a/hw/arm/vexpress.c
> +++ b/hw/arm/vexpress.c
> @@ -751,7 +751,6 @@ static void vexpress_class_init(ObjectClass *oc, void 
> *data)
>  
>      mc->desc = "ARM Versatile Express";
>      mc->init = vexpress_common_init;
> -    mc->block_default_type = IF_SCSI;
>      mc->max_cpus = 4;
>  }
>  
> diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
> index 7dac20d..3985356 100644
> --- a/hw/arm/xilinx_zynq.c
> +++ b/hw/arm/xilinx_zynq.c
> @@ -323,7 +323,6 @@ static void zynq_machine_init(MachineClass *mc)
>  {
>      mc->desc = "Xilinx Zynq Platform Baseboard for Cortex-A9";
>      mc->init = zynq_init;
> -    mc->block_default_type = IF_SCSI;
>      mc->max_cpus = 1;
>      mc->no_sdcard = 1;
>  }

Right, that looks like old copy-n-paste bugs from other machine types.

Reviewed-by: Thomas Huth <address@hidden>




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