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Re: [Qemu-devel] [PATCH] SCSI bus: fix to incomplete QOMify
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH] SCSI bus: fix to incomplete QOMify |
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Date: |
Thu, 7 Jan 2016 13:05:10 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 |
On 07/01/2016 10:53, Cao jin wrote:
> On 01/07/2016 05:38 PM, Paolo Bonzini wrote:
>> On 06/01/2016 14:43, Cao jin wrote:
>> These functions are called in the data path; changes to use SCSI_BUS()
>> should come with performance data proving that it doesn't slow down I/O.
>>
>
> I see. I am not familiar with the procedure of scsi i/o performance
> test, do have some guideline about it?
Usually people test with FIO, but I think it's simpler to just keep
DO_UPCAST here.
Paolo