Messages in this thread | | | From | Stephen Hemminger <> | Subject | Re: [PATCH] bonding: replace system timer with work queue | Date | Wed, 28 Feb 2007 14:18:01 -0800 |
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On Wed, 28 Feb 2007 10:12:01 +0100 (CET) Jaroslav Kysela <perex@suse.cz> wrote:
> Hi, > > please, review and apply to mm tree for further testing. The patch > is also available at > ftp://ftp.alsa-project.org/pub/kernel-patches/bonding-workqueue.patch . > > Thank you, > Jaroslav >
You should submit network patches to the entry in the MAINTAINERS file.
BONDING DRIVER P: Chad Tindel M: ctindel@users.sourceforge.net P: Jay Vosburgh M: fubar@us.ibm.com L: bonding-devel@lists.sourceforge.net W: http://sourceforge.net/projects/bonding/ S: Supported
> @@ -3569,20 +3552,20 @@ static int bond_close(struct net_device > */ > > if (bond->params.miimon) { /* link check interval, in milliseconds. */ > - del_timer_sync(&bond->mii_timer); > + cancel_rearming_delayed_workqueue(bond_wq, &bond->mii_work); > } > > if (bond->params.arp_interval) { /* arp interval, in milliseconds. */ > - del_timer_sync(&bond->arp_timer); > + cancel_rearming_delayed_workqueue(bond_wq, &bond->arp_work); > } > > switch (bond->params.mode) { > case BOND_MODE_8023AD: > - del_timer_sync(&(BOND_AD_INFO(bond).ad_timer)); > + cancel_rearming_delayed_workqueue(bond_wq, &(BOND_AD_INFO(bond).ad_work)); > break; > case BOND_MODE_TLB: > case BOND_MODE_ALB: > - del_timer_sync(&(BOND_ALB_INFO(bond).alb_timer)); > + cancel_rearming_delayed_workqueue(bond_wq, &(BOND_ALB_INFO(bond).alb_work)); > break; > default: > break;
This part will deadlock since it is not safe to cancel a workqueue entry with RTNL mutex held. The cancel operation has to wait for the workqueue to run, and the entry being run maybe stuck waiting for the RTNL.
-- Stephen Hemminger <shemminger@linux-foundation.org> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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