Return-path: Received: from bues.ch ([80.190.117.144]:55538 "EHLO bues.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757522Ab3EBNGY (ORCPT ); Thu, 2 May 2013 09:06:24 -0400 Date: Thu, 2 May 2013 15:06:03 +0200 From: Michael =?UTF-8?B?QsO8c2No?= To: Thommy Jakobsson Cc: linville@tuxdriver.com, linux-wireless@vger.kernel.org, b43-dev@lists.infradead.org, Larry.Finger@lwfinger.net Subject: Re: [PATCH] B43: Handle DMA RX descriptor underrun Message-ID: <20130502150603.2ac36385@milhouse> (sfid-20130502_150628_346569_AE82D01F) In-Reply-To: References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/ugTe_DC_=MVtQbrJDDzt82a"; protocol="application/pgp-signature" Sender: linux-wireless-owner@vger.kernel.org List-ID: --Sig_/ugTe_DC_=MVtQbrJDDzt82a Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 23 Apr 2013 21:45:11 +0200 (CEST) Thommy Jakobsson wrote: > From: Thommy Jakobsson >=20 > Add handling of rx descriptor underflow. This fixes a fault that could > happen on slow machines, where data is received faster than the CPU can > handle. In such a case the device will use up all rx descriptors and > refuse to send any more data before confirming that it is ok. This > patch enables necessary interrupt to discover such a situation and will > handle them by dropping everything in the ring buffer. >=20 > Reviewed-by: Michael Buesch > Signed-off-by: Thommy Jakobsson > Cc: stable Anybody interested in porting this to b43legacy (and testing)? --=20 Michael --Sig_/ugTe_DC_=MVtQbrJDDzt82a Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJRgmS7AAoJEPUyvh2QjYsOjAsQAM31RzyinNXTvF1+IibmbXqk cYXpApNwrtbN5i1azFVmpPxnwkdYjQGi4l8bDBwLvQ9LA/Frt7DfF0egi5vMRhbq 21Q0Wmx2Pu+yvfLC2pqs2SG4qG8OqSTY2sW7/B3dKbSlhmJi9BNFI0esNgN7OcCe BcvV7kA1uKwi7EFoyVYDMPKYdDnx9x5z0tz0gfBgM1noPauw/q08GPfd5XaynNFf QEiNqsZ41+PIHjEB39/veDLTla+UJ4G1Y5eFDTG1YdiUxgS3Zvkfnb63TCV0HbMc fbJa8LBs2cW81RiDUngKal0RO0sl141knJ0Q8bDqnCI7B0SMDi1qO/HhHwu+Vt2d /KtMhMBJTURqebXxcLCzk+NrqwPWAg+5VODiZjD3cFc2YZxj+9Kht+OjuiY0h/3B 7XOSays7sly9ab+tIYgGmlr4w354yxQkiPBkTAug5TpoVL79pwUqYH6J+NY2/38F +pYPfBhGJwJmqw/o9EzfDMBXofTnxRoWbCvdD2GSBTV5JANtlgbqvHTGanm4g8RZ PBl2n4ORs2KH4j9cg7xYuf9XC82IZKbE68ePGlY1UeWFtUP19TjGbAij6fSTIxDv eJfNSLqoRn1y6QZASrOtnw5hR/qXrUHG3x8LsefcVkSOGtFjC3AQp5XL5uxd5hU+ LZ7tHKCLvESHuM98gFsI =Is1A -----END PGP SIGNATURE----- --Sig_/ugTe_DC_=MVtQbrJDDzt82a--