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Mon, 9 Sep 2019 23:10:06 +0000 From: Haiyang Zhang To: Lorenzo Pieralisi , Stephen Rothwell CC: Bjorn Helgaas , Linux Next Mailing List , Linux Kernel Mailing List , Sasha Levin Subject: RE: linux-next: Signed-off-by missing for commit in the pci tree Thread-Topic: linux-next: Signed-off-by missing for commit in the pci tree Thread-Index: AQHVV50BkG1PELIBpk2+r3pdUVtPwKcFTy+AgB7GOCA= Date: Mon, 9 Sep 2019 23:10:06 +0000 Message-ID: References: <20190821071939.11382b44@canb.auug.org.au> <20190821090249.GA28112@e121166-lin.cambridge.arm.com> In-Reply-To: <20190821090249.GA28112@e121166-lin.cambridge.arm.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=True; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Owner=haiyangz@microsoft.com; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SetDate=2019-09-09T23:10:04.8914944Z; 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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 4k0USou/CK3Bv+1baFir6w1McULG47vScBbbqNrRbrBNZMdXtv0yGClZn8EVFoRE27H/GgvZpvZMXz/y1VrUKY1rRzCONpMP1wikngCEk4no+H4bQ9tfhDn+DjFswV/C+YHoj0YKDpYUeEC/bbre66I48LToKuQ9FL2uJNYSKMYLlG8gAQoAi6EKruvCoKEUf7Kw0RLbGolV9SBQgROKhfKquHsYv2C92fzfJy55tRE26nq+Liw6sIbEPxQE8HsaA4Z1aPr3pAuXVcVVNBGmAxbTSNz7LYsHprKEVnCbbYUgVMKRm/LuWMWLWcRc5a0tWpQ6k0noB2S0gMn4E6B1axMbeMLWvPQEA73/lFyDiSzPnmNoUOAyzkgHLQvEnvpVoHTUSm5vMlUabzDW0Genus97vJ9BxFtm69k7swLMF4w= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0383f4d9-a8ac-4a49-51fc-08d7357ada5e X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Sep 2019 23:10:06.1394 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: MLCIVlBVCv5XPJjxKv9vBypHHM3xvMYRnKwIeYs3es1L2fG4UQ2BCINSUZO78WB7stofiND9QipU5cDKZ/MohQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR21MB1369 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Lorenzo Pieralisi > Sent: Wednesday, August 21, 2019 5:03 AM > To: Stephen Rothwell > Cc: Bjorn Helgaas ; Linux Next Mailing List next@vger.kernel.org>; Linux Kernel Mailing List kernel@vger.kernel.org>; Sasha Levin ; Haiyang Zhang > > Subject: Re: linux-next: Signed-off-by missing for commit in the pci tree >=20 > On Wed, Aug 21, 2019 at 07:19:39AM +1000, Stephen Rothwell wrote: > > Hi all, > > > > Commit > > > > c4a29fbba415 ("PCI: hv: Use bytes 4 and 5 from instance ID as the PCI > domain numbers") > > > > is missing a Signed-off-by from its committer. > > > > Also, all the tags should be kept together, please. >=20 > Fixed it up in my pci/hv branch, apologies. >=20 > Lorenzo Hi thanks for fixing this, but I found the following commit now has the Sub= ject line and commit message same as a previous patch. https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/= drivers?id=3D87b20a08dcc265959f5c59f18603ea0487fe609b The correct message for the patch should be the msg below. Any possibility = to=20 fix it again? Thanks. - Haiyang Subject: PCI: hv: Use bytes 4 and 5 from instance ID as the PCI domain num= bers As recommended by Azure host team, the bytes 4, 5 have more uniqueness (info entropy) than bytes 8, 9. So now we use bytes 4, 5 as the PCI domain numbers. On older hosts, bytes 4, 5 can also be used -- no backward compatibility issues here. The chance of collision is greatly reduced. In the rare cases of collision, the driver code detects and finds another number that is not in use. Suggested-by: Michael Kelley Signed-off-by: Haiyang Zhang Acked-by: Sasha Levin Signed-off-by: Lorenzo Pieralisi