Received-SPF: pass (google.com: domain of linux-kernel+bounces-21779-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223;
Precedence: bulk
MIME-Version: 1.0
References: <20240109194551.17666-1-andrea.fois@eventsense.it>
 <d8ed4af1-5c83-4895-9fc3-9aea25724fd9@gmail.com> <CALs4sv2_JZd5K-ZgBkjL=QpXVEXnoJrjuqwwKg0+jo2-4taHJw@mail.gmail.com>
 <18249a21-7aec-4a66-bc5a-3aa077c2b190@gmail.com>
In-Reply-To: <18249a21-7aec-4a66-bc5a-3aa077c2b190@gmail.com>
From: Michael Chan <michael.chan@broadcom.com>
Date: Tue, 9 Jan 2024 23:17:36 -0800
Message-ID: <CACKFLinZ=pkRn7oertS8W96bGmMjr8T+BvqSAN3BZ7SiEm5gxQ@mail.gmail.com>
Subject: Re: [PATCH] tg3: add new module param to force device power down on reboot
To: Heiner Kallweit <hkallweit1@gmail.com>
Cc: Pavan Chebbi <pavan.chebbi@broadcom.com>, Andrea Fois <andrea.fois@eventsense.it>, 
	Michael Chan <mchan@broadcom.com>, "David S. Miller" <davem@davemloft.net>, 
	Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, 
	George Shuklin <george.shuklin@gmail.com>, netdev@vger.kernel.org, 
	linux-kernel@vger.kernel.org
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256;
	boundary="0000000000007bb14f060e923a8b"

--0000000000007bb14f060e923a8b
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

On Tue, Jan 9, 2024 at 11:09=E2=80=AFPM Heiner Kallweit <hkallweit1@gmail.c=
om> wrote:
>
> On 10.01.2024 05:12, Pavan Chebbi wrote:
> > I think the second suggestion could be a better solution. Helps to
> > solve the issue 9fc3bc764334 is trying to fix.
> > But I am not sure how easy it is to test. As I recall, Goerge was
> > unable to reach out to the author of 2ca1c94ce0b6 when he wanted to
> > test his patch for regression.
> > We did discuss the risk of this regression.
> > https://patchwork.kernel.org/project/netdevbpf/patch/20231101130418.441=
64-1-george.shuklin@gmail.com/
> > Unfortunately, looks like it has come true :(
>
> If the culprit is an unexpected MSI interrupt, then you may also address
> this directly by disabling interrupts in the device. tg3_stop() may be
> a candidate here.
>

We already call dev_close() which will call tg3_close() -> tg3_stop()
a few lines above.

--0000000000007bb14f060e923a8b
Content-Type: application/pkcs7-signature; name="smime.p7s"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.p7s"
Content-Description: S/MIME Cryptographic Signature
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--0000000000007bb14f060e923a8b--