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From: Paolo Bonzini <pbonzini@redhat.com>
To: Vitaly Kuznetsov <vkuznets@redhat.com>, Peng Hao <peng.hao2@zte.com.cn>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, rkrcmar@redhat.com,
	mst@redhat.com, ehabkost@redhat.com
Subject: Re: [Qemu-devel] [PATCH V6 1/5] target/i386 : add coalesced pio support
Date: Wed, 17 Oct 2018 19:05:12 +0200	[thread overview]
Message-ID: <0ced3ef9-f58e-18dd-0959-c69b96d27c4a@redhat.com> (raw)
In-Reply-To: <87woqgr4wp.fsf@vitty.brq.redhat.com>

On 17/10/2018 17:04, Vitaly Kuznetsov wrote:
>> +	union {
>> +		__u32 pad;
>> +		__u32 pio;
>> +	};
>>  };
> I was just passing by, but what's the point in keeping 'pad'?
> 

Backwards compatibility.  QEMU does have a couple instances of "x.pad =
0", so...

Paolo

  reply	other threads:[~2018-10-17 17:05 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-17 16:52 [Qemu-devel] [PATCH 0/5] target/i386: introduce coalesced pio Peng Hao
2018-10-17 16:52 ` [Qemu-devel] [PATCH V6 1/5] target/i386 : add coalesced pio support Peng Hao
2018-10-17 15:04   ` Vitaly Kuznetsov
2018-10-17 17:05     ` Paolo Bonzini [this message]
2018-10-17 16:52 ` [Qemu-devel] [PATCH V6 2/5] target-i386 : add coalesced_pio API Peng Hao
2018-10-17 16:52 ` [Qemu-devel] [PATCH V6 3/5] target-i386: add rtc 0x70 port as coalesced_pio Peng Hao
2018-10-17 10:31   ` Paolo Bonzini
2018-10-18  8:03     ` peng.hao2
2018-10-18 10:13       ` Paolo Bonzini
2018-10-18 10:43         ` peng.hao2
2018-10-17 16:52 ` [Qemu-devel] [PATCH V6 4/5] target-i386: add i440fx 0xcf8 " Peng Hao
2018-10-17 16:52 ` [Qemu-devel] [PATCH V6 5/5] target-i386: add q35 " Peng Hao

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