From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Brandeburg Date: Mon, 4 Jan 2016 12:02:05 -0800 Subject: [Intel-wired-lan] [next PATCH S26 06/12] i40e: fix: do not sleep in netdev_ops In-Reply-To: <1451932392-15538-7-git-send-email-deepthi.kavalur@intel.com> References: <1451932392-15538-1-git-send-email-deepthi.kavalur@intel.com> <1451932392-15538-7-git-send-email-deepthi.kavalur@intel.com> Message-ID: <20160104120205.00000b51@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On Mon, 4 Jan 2016 10:33:06 -0800 Deepthi Kavalur wrote: > From: Jesse Brandeburg > > The driver was being called by vlan, bonding, teaming operations > that expected to be able to hold locks like rcu_read_lock(). > > This causes the driver to be held to the requirement to not sleep, > and was found by the kernel debug options for checking sleep > inside critical section, and the locking validator. > > Signed-off-by: Jesse Brandeburg > Reviewed-by: Nelson, Shannon > Change-ID: Ibc68c835f5ffa8ffe0638ffe910a66fc5649a7f7 I don't understand how you ever applied this in your testing and built a kernel, as this change (the complete version) was already applied in Jeff's tree back on 2-Dec: https://git.kernel.org/cgit/linux/kernel/git/jkirsher/next-queue.git/commit/drivers/net/ethernet/intel/i40e?id=0e4425ed641f3eef67c892bc541949cd745a9ba9 Likely this patch can just be dropped, but we need a process check here.