From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Boccassi Subject: Re: [PATCH v6 2/2] net/virtio: fix PCI config err handling Date: Thu, 11 Oct 2018 11:53:12 +0100 Message-ID: <1539255192.8721.31.camel@debian.org> References: <20180827165240.28322-1-bluca@debian.org> <20180828101240.12597-1-bluca@debian.org> <20180828101240.12597-2-bluca@debian.org> <2276842.FSxJgd8eX6@xps> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Cc: dev@dpdk.org, maxime.coquelin@redhat.com, zhihong.wang@intel.com, tiwei.bie@intel.com, bruce.richardson@intel.com, brian.russell@intl.att.com To: Thomas Monjalon Return-path: Received: from mail-wm1-f68.google.com (mail-wm1-f68.google.com [209.85.128.68]) by dpdk.org (Postfix) with ESMTP id 6A2C81B4F1 for ; Thu, 11 Oct 2018 12:53:15 +0200 (CEST) Received: by mail-wm1-f68.google.com with SMTP id 185-v6so8933805wmt.2 for ; Thu, 11 Oct 2018 03:53:15 -0700 (PDT) In-Reply-To: <2276842.FSxJgd8eX6@xps> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Thu, 2018-10-11 at 12:27 +0200, Thomas Monjalon wrote: > 28/08/2018 12:12, Luca Boccassi: > > From: Brian Russell > >=20 > > In virtio_read_caps and vtpci_msix_detect, rte_pci_read_config > > returns > > the number of bytes read from PCI config or < 0 on error. > > If less than the expected number of bytes are read then log the > > failure and return rather than carrying on with garbage. > >=20 > > Fixes: 6ba1f63b5ab0 ("virtio: support specification 1.0") > >=20 > > Signed-off-by: Brian Russell > > Signed-off-by: Luca Boccassi > > --- > > v2: handle additional rte_pci_read_config incomplete reads > > v3: do not handle rte_pci_read_config of virtio cap, added in v2, > > =C2=A0=C2=A0=C2=A0=C2=A0as it's less clear what the right thing to do t= here is > > v4: do a more robust check - first check what the vendor is, and > > =C2=A0=C2=A0=C2=A0=C2=A0skip the cap entirely if it's not what we are l= ooking for. > > v5: fetch only 2 flags bytes if the vndr is PCI_CAP_ID_MSIX > > v6: fix 32bit build by changing the printf format specifier, fix > > patch title >=20 > Tiwei did a comment on v5 and provided his Reviewed-by. > Is it OK to apply v6 with its tag? > All is fixed? Hi, The title has been fixed (virtio -> net/virtio) and I just tried a 32bit build and it works fine after the fix from v6. --=20 Kind regards, Luca Boccassi