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From: Markus Armbruster <armbru@redhat.com>
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Date: Tue, 23 Aug 2016 23:12:21 +0200
In-Reply-To: <20160823191651.GA2555@localhost.localdomain> (Amit Shah's
	message of "Wed, 24 Aug 2016 00:46:51 +0530")
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Subject: Re: [Qemu-devel] [PULL 2/2] e1000e: remove internal interrupt flag
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To: Amit Shah <amit.shah@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>, peter.maydell@linaro.org, "Michael S . Tsirkin" <mst@redhat.com>, qemu-devel@nongnu.org, Dmitry Fleytman <dmitry@daynix.com>, Cao jin <caoj.fnst@cn.fujitsu.com>, Marcel Apfelbaum <marcel@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>

Amit Shah <amit.shah@redhat.com> writes:

> On (Mon) 22 Aug 2016 [16:09:27], Jason Wang wrote:
>> From: Cao jin <caoj.fnst@cn.fujitsu.com>
>> 
>> Commit 66bf7d58 removed internal msi state flag E1000E_USE_MSI, E1000E_USE_MSIX
>> is not necessary too, remove it now. And interrupt flag field intr_state also
>> can be removed now.
>> 
>> CC: Dmitry Fleytman <dmitry@daynix.com>
>> CC: Jason Wang <jasowang@redhat.com>
>> CC: Markus Armbruster <armbru@redhat.com>
>> CC: Marcel Apfelbaum <marcel@redhat.com>
>> CC: Michael S. Tsirkin <mst@redhat.com>
>> CC: Paolo Bonzini <pbonzini@redhat.com>
>> Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
>> Reviewed-by: Markus Armbruster <armbru@redhat.com>
>> Acked-by: Dmitry Fleytman <dmitry@daynix.com>
>> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
>> Signed-off-by: Jason Wang <jasowang@redhat.com>
>> ---
>>  hw/net/e1000e.c | 8 +-------
>>  1 file changed, 1 insertion(+), 7 deletions(-)
>
>
>> @@ -601,7 +596,6 @@ static const VMStateDescription e1000e_vmstate = {
>>          VMSTATE_MSIX(parent_obj, E1000EState),
>>  
>>          VMSTATE_UINT32(ioaddr, E1000EState),
>> -        VMSTATE_UINT32(intr_state, E1000EState),
>>          VMSTATE_UINT32(core.rxbuf_min_shift, E1000EState),
>>          VMSTATE_UINT8(core.rx_desc_len, E1000EState),
>>          VMSTATE_UINT32_ARRAY(core.rxbuf_sizes, E1000EState,
>
> This breaks migration - please mark that field 'unused'.

Does it matter?  The device hasn't been in any released version of
QEMU...