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net-next 0/7] Remove three Sun net drivers Content-Language: en-US To: Anirudh Venkataramanan , netdev@vger.kernel.org Cc: linux-pci@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, linux-trace-kernel@vger.kernel.org, sparclinux@vger.kernel.org, Leon Romanovsky References: <20230106220020.1820147-1-anirudh.venkataramanan@intel.com> From: Karl Volz In-Reply-To: <20230106220020.1820147-1-anirudh.venkataramanan@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SN6PR04CA0073.namprd04.prod.outlook.com (2603:10b6:805:f2::14) To BLAPR10MB4945.namprd10.prod.outlook.com (2603:10b6:208:324::13) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BLAPR10MB4945:EE_|BLAPR10MB4995:EE_ X-MS-Office365-Filtering-Correlation-Id: 1196a6c8-8d91-4f19-3535-08daf0379a28 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2023-01-06_14,2023-01-06_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 suspectscore=0 mlxlogscore=999 spamscore=0 bulkscore=0 phishscore=0 mlxscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301060177 X-Proofpoint-GUID: xMoKHyYekC3hfLMPGA5e7WP8JazITrJ8 X-Proofpoint-ORIG-GUID: xMoKHyYekC3hfLMPGA5e7WP8JazITrJ8 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 1/6/23 15:00, Anirudh Venkataramanan wrote: > This series removes the Sun Cassini, LDOM vswitch and sunvnet drivers. > > In a recent patch series that touched these drivers [1], it was suggested > that these drivers should be removed completely. git logs suggest that > there hasn't been any significant feature addition, improvement or fixes > to user-visible bugs in a while. A web search didn't indicate any recent > discussions or any evidence that there are users out there who care about > these drivers. > > The idea behind putting out this series is to either establish that these > drivers are used and should be maintained, or remove them. Anirudh, The Sun LDOM vswitch and sunvnet drivers are still in use, please do not remove them or the event tracing. We use them internally and you don't see any discussions because they generally work fine (AFAIK). I think you are also going to break things by removing Sun Cassini support, but I am not using it personally. What user visible bugs are you referring to here? Thanks Karl > > While the bulk of the code removal is in the networking s, and so > multiple subsystem lists are cc'd. Here's a quick breakdown: > > - patches 1/7 and 5/7 remove the drivers (netdev) > - patch 2/7 removes Sun device IDs from pci_ids.h (linux-pci) > - patch 3/7 changes ppc6xx_defconfig (linuxppc) > - patch 4/7 changes MIPS mtx1_defconfig (linux-mips) > - patch 6/7 removes the event tracing header sunvnet.h (linux-trace) > - patch 7/7 changes sparc64_defconfig (sparclinux) > > This series was compile tested as follows: > > make O=b1 ARCH=mips CROSS_COMPILE=mips64-linux-gnu- defconfig > make -j$(nproc) O=b1 ARCH=mips CROSS_COMPILE=mips64-linux-gnu- all > > make O=b2 ARCH=sparc64 CROSS_COMPILE=sparc64-linux-gnu- defconfig > make -j$(nproc) O=b2 ARCH=sparc64 CROSS_COMPILE=sparc64-linux-gnu- all > > make O=b3 ARCH=powerpc CROSS_COMPILE=ppc64-linux-gnu- ppc6xx_defconfig > make -j$(nproc) O=b3 ARCH=powerpc CROSS_COMPILE=ppc64-linux-gnu- all > > [1] https://lore.kernel.org/netdev/99629223-ac1b-0f82-50b8-ea307b3b0197@intel.com/T/#t > > Suggested-by: Leon Romanovsky > Signed-off-by: Anirudh Venkataramanan > > Anirudh Venkataramanan (7): > ethernet: Remove the Sun Cassini driver > PCI: Remove PCI IDs used by the Sun Cassini driver > powerpc: configs: Remove reference to CONFIG_CASSINI > mips: configs: Remove reference to CONFIG_CASSINI > ethernet: Remove the Sun LDOM vswitch and sunvnet drivers > sunvnet: Remove event tracing file > sparc: configs: Remove references to CONFIG_SUNVNET and CONFIG_LDMVSW > > arch/mips/configs/mtx1_defconfig | 1 - > arch/powerpc/configs/ppc6xx_defconfig | 1 - > arch/sparc/configs/sparc64_defconfig | 2 - > drivers/net/ethernet/sun/Kconfig | 35 - > drivers/net/ethernet/sun/Makefile | 4 - > drivers/net/ethernet/sun/cassini.c | 5215 --------------------- > drivers/net/ethernet/sun/cassini.h | 2900 ------------ > drivers/net/ethernet/sun/ldmvsw.c | 476 -- > drivers/net/ethernet/sun/sunvnet.c | 567 --- > drivers/net/ethernet/sun/sunvnet_common.c | 1813 ------- > drivers/net/ethernet/sun/sunvnet_common.h | 157 - > include/linux/pci_ids.h | 2 - > include/trace/events/sunvnet.h | 140 - > 13 files changed, 11313 deletions(-) > delete mode 100644 drivers/net/ethernet/sun/cassini.c > delete mode 100644 drivers/net/ethernet/sun/cassini.h > delete mode 100644 drivers/net/ethernet/sun/ldmvsw.c > delete mode 100644 drivers/net/ethernet/sun/sunvnet.c > delete mode 100644 drivers/net/ethernet/sun/sunvnet_common.c > delete mode 100644 drivers/net/ethernet/sun/sunvnet_common.h > delete mode 100644 include/trace/events/sunvnet.h > > > base-commit: 6bd4755c7c499dbcef46eaaeafa1a319da583b29