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Re: [Qemu-devel] [PATCH 2/2] i440fx: print an error message if user trie
From: |
Bandan Das |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] i440fx: print an error message if user tries to enable iommu |
Date: |
Thu, 12 Nov 2015 17:42:02 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Markus Armbruster <address@hidden> writes:
> Bandan Das <address@hidden> writes:
>
>> There's no indication of any sort that i440fx doesn't support
>> "iommu=on""
>>
>> Signed-off-by: Bandan Das <address@hidden>
>> ---
>> hw/pci-host/piix.c | 4 ++++
>> 1 file changed, 4 insertions(+)
>>
>> diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
>> index 7b2fbf9..f12593a 100644
>> --- a/hw/pci-host/piix.c
>> +++ b/hw/pci-host/piix.c
>> @@ -301,6 +301,10 @@ static void i440fx_pcihost_realize(DeviceState *dev,
>> Error **errp)
>> static void i440fx_realize(PCIDevice *dev, Error **errp)
>> {
>> dev->config[I440FX_SMRAM] = 0x02;
>> +
>> + if (object_property_get_bool(qdev_get_machine(), "iommu", NULL)) {
>> + fprintf(stderr, "i440fx doesn't support emulated iommu\n");
>> + }
>> }
>>
>> PCIBus *i440fx_init(const char *host_type, const char *pci_type,
>
> error_report(), please.
>
> If this is just a warning, please prefix the message with "warning: ".
Sure will do. Yeah, it seems good enough just to print a message without
exiting.
> If it isn't, exit(1).