netdev - Re: [vhost:linux-next 8/13] include/linux/vringh.h:18:10: fatal error: linux/vhost

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Date:   Tue, 31 Mar 2020 16:10:26 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     "Xia, Hui" <hui.xia@...el.com>, lkp <lkp@...el.com>
Cc:     "kbuild-all@...ts.01.org" <kbuild-all@...ts.01.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Michael S. Tsirkin" <mst@...hat.com>
Subject: Re: [vhost:linux-next 8/13] include/linux/vringh.h:18:10: fatal
 error: linux/vhost_iotlb.h: No such file or directory


On 2020/3/31 下午3:31, Xia, Hui wrote:
>> -----Original Message-----
>> From: Jason Wang<jasowang@...hat.com>
>> Sent: 2020年3月30日 10:47
>> To: lkp<lkp@...el.com>
>> Cc:kbuild-all@...ts.01.org;kvm@...r.kernel.org;virtualization@...ts.linux-
>> foundation.org;netdev@...r.kernel.org; Michael S. Tsirkin<mst@...hat.com>
>> Subject: Re: [vhost:linux-next 8/13] include/linux/vringh.h:18:10: fatal error:
>> linux/vhost_iotlb.h: No such file or directory
>>
>>
>> On 2020/3/29 下午8:08, kbuild test robot wrote:
>>> tree:https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git  linux-next
>>> head:   f44a63f9ebf66a450c101084a35a3ef158ead209
>>> commit: c43908b0b9a900bd51f861f4c57b83cfd932f4d2 [8/13] vringh: IOTLB
>>> support
>>> config: arm-em_x270_defconfig (attached as .config)
>>> compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
>>> reproduce:
>>>           wgethttps://raw.githubusercontent.com/intel/lkp-
>> tests/master/sbin/make.cross -O ~/bin/make.cross
>>>           chmod +x ~/bin/make.cross
>>>           git checkout c43908b0b9a900bd51f861f4c57b83cfd932f4d2
>> I could not find this commit in the above branch.
>>
>>
>>>           # save the attached .config to linux build tree
>>>           GCC_VERSION=9.3.0 make.cross ARCH=arm
>> Try to use commit dc3b0673ae5efb73edab66ec5c2f074272e9a4df.
>>
>> But this command does not work (I remember it used to work):
>>
>> # GCC_VERSION=9.3.0 make.cross ARCH=arm
>> cd: received redirection to
>> `https://download.01.org/0day-ci/cross-package/'
>> lftpget -c
>> https://download.01.org/0day-ci/cross-package/./gcc-9.3.0-nolibc/x86_64-gcc-
>> 9.3.0-nolibc_arm-linux-gnueabihf.tar.xz
>> tar Jxf
>> gcc-9.3.0-nolibc/x86_64-gcc-9.3.0-nolibc_arm-linux-gnueabihf.tar.xz -C
>> /root/0day No cross compiler for arm setup_crosstool failed
> Hi Jason, thanks for report this issue. It is caused by wrong finding in 2 cross tools for arm. And has been fixed. Thanks.
> Regarding to the vhost build issue itself, it has gone in latest vhost/linux-next. The cause is the code kbuild captured didn't have  patch " vhost: factor out IOTLB " which introduce linux/vhost_iotlb.h at that moment. So just ignore this issue since the missed patch has been added in latest vhost/linux-next.


Good to know this.

Thanks for the updating.


>