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Ly" , Randy Dunlap , Martin Schwidefsky , Gerald Schaefer , Florian Fainelli , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-hyperv@vger.kernel.org, linux-s390@vger.kernel.org, linux-watchdog@vger.kernel.org Subject: [PATCH 0/6] Initialize device state before userspace registration Date: Wed, 28 Oct 2026 12:48:20 +0800 Message-Id: <20261028044828.96177-1-yaojiale02@163.com> X-Mailer: git-send-email 2.34.1 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:PSgvCgDXXyGcfuFqI22BCQ--.35298S2 X-Coremail-Antispam: 1Uf129KBjvJXoW7XFWfGw4fZr1kWFy5Xry5Jwb_yoW8Jry3pa 1Sg3sYy392krW7Xr43Zay7Ga4Fga48uayUCF90kw1FgFs5CFyvqFW0qay8tFWDJFWxA3W0 qF10vrWxGFWUCrJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07UpE_NUUUUU= X-CM-SenderInfo: x1dryxhdohiji6rwjhhfrp/xtbC7x7ZFGrhfp6IQwAA3c X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Several drivers register character devices or sysfs attributes before initializing synchronization objects and related state used by their userspace entry points. Registration makes those entry points immediately available, so a concurrent access can reach partially initialized state. Move each initialization ahead of the corresponding registration. The patches are independent and cover AoE, fsl-mc, MSHV, IBM VMC, DCSSBLK, and the RDC321x watchdog. Jiale Yao (6): aoe: initialize error message synchronization before registration bus: fsl-mc: initialize UAPI state before device registration Drivers: hv: initialize partition table before device registration misc: ibmvmc: initialize HMC state before device registration s390/dcssblk: initialize device semaphore before sysfs registration watchdog: rdc321x: initialize device state before registration drivers/block/aoe/aoechr.c | 6 +++--- drivers/bus/fsl-mc/fsl-mc-uapi.c | 6 ++---- drivers/hv/mshv_root_main.c | 6 +++--- drivers/misc/ibmvmc.c | 16 ++++++++-------- drivers/s390/block/dcssblk.c | 3 ++- drivers/watchdog/rdc321x_wdt.c | 12 ++++++------ 6 files changed, 24 insertions(+), 25 deletions(-) -- 2.34.1