linux-kernel - Re: [PATCH net-next v10 08/16] tls: Inline do_tcp

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Message-ID: <20230726075727.3ba654ff@kernel.org>
Date:   Wed, 26 Jul 2023 07:57:27 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Tariq Toukan <ttoukan.linux@...il.com>
Cc:     David Howells <dhowells@...hat.com>, netdev@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        David Ahern <dsahern@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, Jeff Layton <jlayton@...nel.org>,
        Christian Brauner <brauner@...nel.org>,
        Chuck Lever III <chuck.lever@...cle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Boris Pismenny <borisp@...dia.com>,
        John Fastabend <john.fastabend@...il.com>,
        Gal Pressman <gal@...dia.com>, ranro@...dia.com,
        samiram@...dia.com, drort@...dia.com,
        Tariq Toukan <tariqt@...dia.com>
Subject: Re: [PATCH net-next v10 08/16] tls: Inline do_tcp_sendpages()

On Wed, 26 Jul 2023 14:43:35 +0300 Tariq Toukan wrote:
> >> We repro the issue on the server side using this client command:
> >> $ wrk -b2.2.2.2 -t4 -c1000 -d5 --timeout 5s https://2.2.2.3:20443/256000b.img  
> > 
> > What's wrk?
> > 
> > David
> >   
> 
> Pretty known and standard client app.
> wrk - a HTTP benchmarking tool
> https://github.com/wg/wrk

Let us know if your build has CONFIG_DEBUG_VM, please.
Because in the old code the warning was gated by this config,
so the bug may be older. We just started reporting it.