On Mon, Nov 6, 2017 at 1:27 PM, Eric Dumazet wrote:
> On Mon, 2017-11-06 at 10:28 +0800, Liu Yu wrote:
>> From: Liu Yu
>>
>> When a mount of processes connect to the same port at the same address
>> simultaneously, they are likely getting the same bhash and therefore
On Mon, Nov 6, 2017 at 12:12 PM, Cong Wang wrote:
> On Sun, Nov 5, 2017 at 6:28 PM, Liu Yu wrote:
>> - spin_lock_bh(&head->lock);
>> + ret = spin_trylock(&head->lock);
>
> Clearly you want spin_trylock_bh() instead.
Good catch! Thansk!
From: Liu Yu
When a mount of processes connect to the same port at the same address
simultaneously, they are likely getting the same bhash and therefore
conflict with each other.
The more the cpu number, the worse in this case.
Use spin_trylock instead for this scene, which seems doesn&#
