Hi Xie,
(2014/11/14 19:59), Xie, Huawei wrote:
> I tested with latest qemu(with offset fix) in vhost app(not with test case),
> unmap succeeds only when the size is aligned to 1GB(hugepage size).
I appreciate for your testing.
> Another important thing is could we do mmap(0,
> -Original Message-
> From: Tetsuya Mukawa [mailto:mukawa at igel.co.jp]
> Sent: Thursday, November 13, 2014 7:53 PM
> To: Xie, Huawei; dev at dpdk.org
> Cc: Long, Thomas
> Subject: Re: vhost-user technical isssues
>
> Hi Xie,
>
> (2014/11/14 9:22), Xie, Huawei wrote:
> >> I think so.
Hi Lin,
(2014/11/14 14:30), Linhaifeng wrote:
>
> On 2014/11/14 13:12, Tetsuya Mukawa wrote:
>> ease try another value like 6000MB
> i have try this value 6000MB.I can munmap success.
>
> you mmap with size "memory_size + memory_offset" should also munmap with this
> size.
>
I appreciate for your
Hi Lin,
(2014/11/14 13:42), Linhaifeng wrote:
>
> On 2014/11/14 11:40, Tetsuya Mukawa wrote:
>> Hi Lin,
>>
>> (2014/11/14 12:13), Linhaifeng wrote:
>>> size should be same as mmap and
>>> guest_mem -= (memory.regions[i].mmap_offset / sizeof(*guest_mem));
>>>
>> Thanks. It should be.
>> How about
On 2014/11/14 13:12, Tetsuya Mukawa wrote:
> ease try another value like 6000MB
i have try this value 6000MB.I can munmap success.
you mmap with size "memory_size + memory_offset" should also munmap with this
size.
--
Regards,
Haifeng
(2014/11/14 12:40), Tetsuya Mukawa wrote:
> I am using 1GB hugepage size.
>
> $ sudo QTEST_HUGETLBFS_PATH=/mnt/huge make check
> region=0, mmap=0x2aaac000, size=6291456000
> region=0, munmap=0x2aaac000, size=6291456000, ret=-1 << failed
>
> 6291456000 is not aligned by 1GB.
> When I
On 2014/11/14 11:40, Tetsuya Mukawa wrote:
> Hi Lin,
>
> (2014/11/14 12:13), Linhaifeng wrote:
>>
>> size should be same as mmap and
>> guest_mem -= (memory.regions[i].mmap_offset / sizeof(*guest_mem));
>>
>
> Thanks. It should be.
> How about following patch?
>
>
Hi Lin,
(2014/11/14 12:13), Linhaifeng wrote:
>
> size should be same as mmap and
> guest_mem -= (memory.regions[i].mmap_offset / sizeof(*guest_mem));
>
Thanks. It should be.
How about following patch?
---
diff --git a/tests/vhost-user-test.c
Hi Xie,
(2014/11/14 9:22), Xie, Huawei wrote:
>> I think so. I guess we need to consider 2 types of restarting. One is
>> virtio-net driver restarting, the other is vhost-user backend
>> restarting. But, so far, it's nice to start to think about virtio-net
>> driver restarting first. Probably we
(2014/11/14 11:24), Linhaifeng wrote:
> On 2014/11/14 9:28, Xie, Huawei wrote:
> actually there may be two hugepage files created by qemu. one day i
> create a 4G VM found qemu create 2 hugepage file and send them to
> vhost-user. you can try to test it.
That's the case.
Bcasue I didn't think
On 2014/11/14 10:30, Tetsuya Mukawa wrote:
> Hi Lin,
>
> (2014/11/13 15:30), Linhaifeng wrote:
>> On 2014/11/12 12:12, Tetsuya Mukawa wrote:
>>> Hi Xie,
>>>
>>> (2014/11/12 6:37), Xie, Huawei wrote:
Hi Tetsuya:
There are two major technical issues in my mind for vhost-user
; From: Tetsuya Mukawa [mailto:mukawa at igel.co.jp]
> Sent: Thursday, November 13, 2014 11:57 PM
> To: Linhaifeng; Xie, Huawei
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] vhost-user technical isssues
>
> Hi Lin,
> (2014/11/14 14:30), Linhaifeng wrote:
> >
> > On
On 2014/11/14 9:28, Xie, Huawei wrote:
>
>
>> -Original Message-
>> From: Linhaifeng [mailto:haifeng.lin at huawei.com]
>> Sent: Wednesday, November 12, 2014 11:28 PM
>> To: Xie, Huawei; 'Tetsuya Mukawa'; dev at dpdk.org
>> Subject: Re: [dp
> -Original Message-
> From: Linhaifeng [mailto:haifeng.lin at huawei.com]
> Sent: Thursday, November 13, 2014 7:24 PM
> To: Xie, Huawei; 'Tetsuya Mukawa'; dev at dpdk.org; lilijun; zhangkun
> Subject: Re: [dpdk-dev] vhost-user technical isssues
>
>
>
> On 2
> -Original Message-
> From: Linhaifeng [mailto:haifeng.lin at huawei.com]
> Sent: Wednesday, November 12, 2014 11:28 PM
> To: Xie, Huawei; 'Tetsuya Mukawa'; dev at dpdk.org
> Subject: Re: [dpdk-dev] vhost-user technical isssues
>
>
>
> On 2014/11/12 5:37
> -Original Message-
> From: Tetsuya Mukawa [mailto:mukawa at igel.co.jp]
> Sent: Tuesday, November 11, 2014 9:13 PM
> To: Xie, Huawei; dev at dpdk.org
> Cc: Long, Thomas
> Subject: Re: vhost-user technical isssues
>
> Hi Xie,
>
> (2014/11/12 6:37), Xie, Huawei wrote:
> > Hi Tetsuya:
>
On 2014/11/12 12:12, Tetsuya Mukawa wrote:
> Hi Xie,
>
> (2014/11/12 6:37), Xie, Huawei wrote:
>> Hi Tetsuya:
>> There are two major technical issues in my mind for vhost-user
>> implementation.
>>
>> 1) memory region map
>> Vhost-user passes us file fd and offset for each memory region.
>>
On 2014/11/12 5:37, Xie, Huawei wrote:
> Hi Tetsuya:
> There are two major technical issues in my mind for vhost-user implementation.
>
> 1) memory region map
> Vhost-user passes us file fd and offset for each memory region. Unfortunately
> the mmap offset is "very" wrong. I discovered this
On 2014/11/12 5:37, Xie, Huawei wrote:
> Hi Tetsuya:
> There are two major technical issues in my mind for vhost-user implementation.
>
> 1) memory region map
> Vhost-user passes us file fd and offset for each memory region. Unfortunately
> the mmap offset is "very" wrong. I discovered this
Hi Xie,
(2014/11/12 6:37), Xie, Huawei wrote:
> Hi Tetsuya:
> There are two major technical issues in my mind for vhost-user implementation.
>
> 1) memory region map
> Vhost-user passes us file fd and offset for each memory region. Unfortunately
> the mmap offset is "very" wrong. I discovered
Hi Tetsuya:
There are two major technical issues in my mind for vhost-user implementation.
1) memory region map
Vhost-user passes us file fd and offset for each memory region. Unfortunately
the mmap offset is "very" wrong. I discovered this issue long time ago, and
also found
that I couldn't
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