netdev - Re: [net-next] octeontx2-pf: QOS: Perform cache sync on send queue teardown

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] [day] [month] [year] [list]

Message-ID: <aC17efTkxDQ5+h1P@test-OptiPlex-Tower-Plus-7010>
Date: Wed, 21 May 2025 12:36:33 +0530
From: Hariprasad Kelam <hkelam@...vell.com>
To: Simon Horman <horms@...nel.org>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Sunil Goutham
	<sgoutham@...vell.com>,
        Geetha sowjanya <gakula@...vell.com>,
        "Subbaraya
 Sundeep" <sbhatta@...vell.com>,
        Bharat Bhushan <bbhushan2@...vell.com>,
        "Andrew Lunn" <andrew+netdev@...n.ch>,
        "David S. Miller"
	<davem@...emloft.net>,
        "Eric Dumazet" <edumazet@...gle.com>,
        Jakub Kicinski
	<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [net-next] octeontx2-pf: QOS: Perform cache sync on send queue
 teardown

On 2025-05-20 at 22:36:15, Simon Horman (horms@...nel.org) wrote:
> On Tue, May 20, 2025 at 02:52:48PM +0530, Hariprasad Kelam wrote:
> > QOS is designed to create a new send queue whenever  a class
> > is created, ensuring proper shaping and scheduling. However,
> > when multiple send queues are created and deleted in a loop,
> > SMMU errors are observed.
> > 
> > This patch addresses the issue by performing an data cache sync
> > during the teardown of QOS send queues.
> > 
> > Signed-off-by: Hariprasad Kelam <hkelam@...vell.com>
> 
> Hi Hariprasad,
> 
> This feels like a fix and if so:
> * Warrants a Fixes tag
> * Should also be targeted at net rather than net-next if it fixes a problem
>   present in net
> 
   Ack, will post to net