netdev - Re: stmmac ethernet in kernel 4.4: coalescing related pauses?

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

Message-Id: <20161128.095431.856183735501262965.davem@davemloft.net>
Date:   Mon, 28 Nov 2016 09:54:31 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     lsanfil@...vell.com
Cc:     pavel@....cz, peppe.cavallaro@...com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: stmmac ethernet in kernel 4.4: coalescing related pauses?

From: Lino Sanfilippo <lsanfil@...vell.com>
Date: Mon, 28 Nov 2016 14:07:51 +0100

> Calling skb_orphan() in the xmit handler made this issue disappear.

This is not the way to handle this problem.

The solution is to free the SKBs in a timely manner after the
chip has transmitted the frame.