linux-kernel - Re: [e1000_netpoll] BUG: sleeping function called from invalid context at kernel/irq/manage.c:110

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <alpine.DEB.2.11.1607261149570.19896@nanos>
Date:	Tue, 26 Jul 2016 11:50:21 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Fengguang Wu <fengguang.wu@...el.com>
cc:	Eric Dumazet <eric.dumazet@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org,
	Satyam Sharma <satyam@...radead.org>,
	intel-wired-lan@...ts.osuosl.org,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Ye Xiaolong <xiaolong.ye@...el.com>, cc:;
Subject: Re: [e1000_netpoll] BUG: sleeping function called from invalid
 context at kernel/irq/manage.c:110

On Tue, 26 Jul 2016, Fengguang Wu wrote:
> --- a/drivers/net/ethernet/intel/e1000/e1000_main.c
> +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
> @@ -3797,7 +3797,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
> 		hw->get_link_status = 1;
> 		/* guard against interrupt when we're going down */
> 		if (!test_bit(__E1000_DOWN, &adapter->flags))
> -			schedule_delayed_work(&adapter->watchdog_task, 1);
> +			mod_timer(&adapter->watchdog_timer, jiffies + 1);

ROTFL ....