lkml.org 
[lkml]   [2022]   [Jan]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH net v2] net/smc: Fix hung_task when removing SMC-R devices
From
Date
Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@davemloft.net>:

On Sun, 16 Jan 2022 15:43:42 +0800 you wrote:
> A hung_task is observed when removing SMC-R devices. Suppose that
> a link group has two active links(lnk_A, lnk_B) associated with two
> different SMC-R devices(dev_A, dev_B). When dev_A is removed, the
> link group will be removed from smc_lgr_list and added into
> lgr_linkdown_list. lnk_A will be cleared and smcibdev(A)->lnk_cnt
> will reach to zero. However, when dev_B is removed then, the link
> group can't be found in smc_lgr_list and lnk_B won't be cleared,
> making smcibdev->lnk_cnt never reaches zero, which causes a hung_task.
>
> [...]

Here is the summary with links:
- [net,v2] net/smc: Fix hung_task when removing SMC-R devices
https://git.kernel.org/netdev/net/c/56d99e81ecbc

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html


\
 
 \ /
  Last update: 2022-01-16 13:40    [W:0.033 / U:0.412 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site