On 2021/4/15 0:13, Tim Chen wrote:
>
>
> On 4/13/21 6:04 PM, Huang, Ying wrote:
>> Tim Chen writes:
>>
>>> On 4/12/21 6:27 PM, Huang, Ying wrote:
>>>
This isn't the commit that introduces the race. You can use `git blame`
find out the correct commit. For this it's commit
On 4/13/21 6:04 PM, Huang, Ying wrote:
> Tim Chen writes:
>
>> On 4/12/21 6:27 PM, Huang, Ying wrote:
>>
>>>
>>> This isn't the commit that introduces the race. You can use `git blame`
>>> find out the correct commit. For this it's commit 0bcac06f27d7 "mm,
>>> swap: skip swapcache for
On 2021/4/14 11:07, Huang, Ying wrote:
> Miaohe Lin writes:
>
>> On 2021/4/13 9:27, Huang, Ying wrote:
>>> Miaohe Lin writes:
>>>
When I was investigating the swap code, I found the below possible race
window:
CPU 1 CPU 2
-
Miaohe Lin writes:
> On 2021/4/13 9:27, Huang, Ying wrote:
>> Miaohe Lin writes:
>>
>>> When I was investigating the swap code, I found the below possible race
>>> window:
>>>
>>> CPU 1 CPU 2
>>> - -
>>>
On 2021/4/13 9:27, Huang, Ying wrote:
> Miaohe Lin writes:
>
>> When I was investigating the swap code, I found the below possible race
>> window:
>>
>> CPU 1CPU 2
>> --
>> do_swap_page
>> synchronous
On 2021/4/14 9:04, Huang, Ying wrote:
> Tim Chen writes:
>
>> On 4/12/21 6:27 PM, Huang, Ying wrote:
>>
>>>
>>> This isn't the commit that introduces the race. You can use `git blame`
>>> find out the correct commit. For this it's commit 0bcac06f27d7 "mm,
>>> swap: skip swapcache for swapin of
Tim Chen writes:
> On 4/12/21 6:27 PM, Huang, Ying wrote:
>
>>
>> This isn't the commit that introduces the race. You can use `git blame`
>> find out the correct commit. For this it's commit 0bcac06f27d7 "mm,
>> swap: skip swapcache for swapin of synchronous device".
>>
>> And I suggest to
On 4/12/21 6:27 PM, Huang, Ying wrote:
>
> This isn't the commit that introduces the race. You can use `git blame`
> find out the correct commit. For this it's commit 0bcac06f27d7 "mm,
> swap: skip swapcache for swapin of synchronous device".
>
> And I suggest to merge 1/5 and 2/5 to make
Miaohe Lin writes:
> When I was investigating the swap code, I found the below possible race
> window:
>
> CPU 1 CPU 2
> - -
> do_swap_page
> synchronous swap_readpage
> alloc_page_vma
>
On 2021/4/12 9:44, Huang, Ying wrote:
> Miaohe Lin writes:
>
>> On 2021/4/10 1:17, Tim Chen wrote:
>>>
>>>
>>> On 4/9/21 1:42 AM, Miaohe Lin wrote:
On 2021/4/9 5:34, Tim Chen wrote:
>
>
> On 4/8/21 6:08 AM, Miaohe Lin wrote:
>> When I was investigating the swap code, I found
Miaohe Lin writes:
> On 2021/4/10 1:17, Tim Chen wrote:
>>
>>
>> On 4/9/21 1:42 AM, Miaohe Lin wrote:
>>> On 2021/4/9 5:34, Tim Chen wrote:
On 4/8/21 6:08 AM, Miaohe Lin wrote:
> When I was investigating the swap code, I found the below possible race
> window:
>
On 2021/4/10 1:17, Tim Chen wrote:
>
>
> On 4/9/21 1:42 AM, Miaohe Lin wrote:
>> On 2021/4/9 5:34, Tim Chen wrote:
>>>
>>>
>>> On 4/8/21 6:08 AM, Miaohe Lin wrote:
When I was investigating the swap code, I found the below possible race
window:
CPU 1
On 4/9/21 1:42 AM, Miaohe Lin wrote:
> On 2021/4/9 5:34, Tim Chen wrote:
>>
>>
>> On 4/8/21 6:08 AM, Miaohe Lin wrote:
>>> When I was investigating the swap code, I found the below possible race
>>> window:
>>>
>>> CPU 1 CPU 2
>>> -
On 2021/4/9 5:34, Tim Chen wrote:
>
>
> On 4/8/21 6:08 AM, Miaohe Lin wrote:
>> When I was investigating the swap code, I found the below possible race
>> window:
>>
>> CPU 1CPU 2
>> --
>> do_swap_page
>>
On 4/8/21 6:08 AM, Miaohe Lin wrote:
> When I was investigating the swap code, I found the below possible race
> window:
>
> CPU 1 CPU 2
> - -
> do_swap_page
> synchronous swap_readpage
> alloc_page_vma
>
When I was investigating the swap code, I found the below possible race
window:
CPU 1 CPU 2
- -
do_swap_page
synchronous swap_readpage
alloc_page_vma
swapoff
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