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Message-ID: <2856be90ec133a2bafd5f11e537f8d589d0f8cb9.camel@xry111.site>
Subject: Re: [RFC PATCH] wifi: iwlwifi: remove 'use_tfh' config to fix crash
From:   Xi Ruoyao <xry111@xry111.site>
To:     Jeff Chua <jeff.chua.linux@gmail.com>,
        "Zhang, Rui" <rui.zhang@intel.com>
Cc:     "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
        "johannes@sipsolutions.net" <johannes@sipsolutions.net>,
        "Berg, Johannes" <johannes.berg@intel.com>,
        Larry Finger <Larry.Finger@lwfinger.net>,
        Gregory Greenman <gregory.greenman@intel.com>,
        Kalle Valo <kvalo@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Linux Networking <netdev@vger.kernel.org>,
        Bagas Sanjaya <bagasdotme@gmail.com>,
        lkml <linux-kernel@vger.kernel.org>
Date:   Mon, 10 Jul 2023 18:33:45 +0800
In-Reply-To: <CAAJw_Zuo1L3yTP-PVgdW74uYg=R7YxXF0hA5s0Gfm1bCqC90RQ@mail.gmail.com>
References: <20230709181323.12085-2-johannes@sipsolutions.net>
         <19f7bc7f43922c257238127d5fe84ea01cf2be79.camel@intel.com>
         <CAAJw_Zuo1L3yTP-PVgdW74uYg=R7YxXF0hA5s0Gfm1bCqC90RQ@mail.gmail.com>
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On Mon, 2023-07-10 at 18:16 +0800, Jeff Chua wrote:
> On Mon, Jul 10, 2023 at 9:53=E2=80=AFAM Zhang, Rui <rui.zhang@intel.com> =
wrote:
> >=20
> > On Sun, 2023-07-09 at 20:13 +0200, Johannes Berg wrote:
> > > From: Johannes Berg <johannes.berg@intel.com>
> > >=20
> > > This is equivalent to 'gen2', and it's confusing to have two
> > > of the same configs. The split config patch actually had been
> > > originally developed after this, and didn't add the use_tfh
> > > in the new configs because they were copied to the new files
> > > after ...
> > >=20
> > > There's clearly still an unwind error in iwl_txq_gen2_init()
> > > since it crashes if something fails there, but the reason it
> > > fails in the first place is due to the gen2/use_tfh confusion.
> > >=20
> > > Reported-by: Jeff Chua <jeff.chua.linux@gmail.com>
> > > Reported-by: "Zhang, Rui" <rui.zhang@intel.com>
> > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=3D217622
> > > Link:
> > > https://lore.kernel.org/all/9274d9bd3d080a457649ff5addcc1726f08ef5b2.=
camel@xry111.site/
> > > Link:
> > > https://lore.kernel.org/all/CAAJw_Zug6VCS5ZqTWaFSr9sd85k%3DtyPm9DEE%2=
BmV%3DAKoECZM%2BsQ@mail.gmail.com/
> > > Fixes: 19898ce9cf8a ("wifi: iwlwifi: split 22000.c into multiple
> > > files")
> > > Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> >=20
> > Hi, Johannes,
> >=20
> > Thanks for the patch. It fixes the problem on my side.
> >=20
> > Tested-by: Zhang Rui <rui.zhang@intel.com>
> >=20
> > thanks,
> > rui
>=20
>=20
> Johannes,
>=20
> Fixed as well! Thank you!

Works for me too, thanks!

Tested-by: Xi Ruoyao <xry111@xry111.site>

--=20
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University