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([82.76.24.202]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-abb8b1767e8sm308583266b.174.2025.02.17.02.17.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Feb 2025 02:17:59 -0800 (PST) From: Eugen Hristev To: linux-arm-msm@vger.kernel.org, linux-hardening@vger.kernel.org, kees@kernel.org Cc: linux-kernel@vger.kernel.org, johannes@sipsolutions.net, gregkh@linuxfoundation.org, rafael@kernel.org, dakr@kernel.org, andersson@kernel.org, konradybcio@kernel.org, tony.luck@intel.com, gpiccoli@igalia.com, pmladek@suse.com, rostedt@goodmis.org, john.ogness@linutronix.de, senozhatsky@chromium.org, quic_mojha@quicinc.com, linux-arm-kernel@lists.infradead.org, kernel@quicinc.com, Eugen Hristev Subject: [RFC][PATCH 09/10] devcoredump: add devcd_{un}register_core_area API Date: Mon, 17 Feb 2025 12:17:05 +0200 Message-ID: <20250217101706.2104498-10-eugen.hristev@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250217101706.2104498-1-eugen.hristev@linaro.org> References: <20250217101706.2104498-1-eugen.hristev@linaro.org> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add API for registering device core area for saving into pstore. Signed-off-by: Eugen Hristev --- drivers/base/devcoredump.c | 13 +++++++++++++ include/linux/devcoredump.h | 3 +++ 2 files changed, 16 insertions(+) diff --git a/drivers/base/devcoredump.c b/drivers/base/devcoredump.c index 2a0e0b2fdb98..2cf17b148c5a 100644 --- a/drivers/base/devcoredump.c +++ b/drivers/base/devcoredump.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -76,6 +77,18 @@ static struct devcd_entry *dev_to_devcd(struct device *dev) return container_of(dev, struct devcd_entry, devcd_dev); } +int devcd_register_core_area(struct device *dev, void *area, size_t size) +{ + return pstore_register_core_area(dev->driver->name, area, size); +} +EXPORT_SYMBOL_GPL(devcd_register_core_area); + +int devcd_unregister_core_area(struct device *dev, void *area, size_t size) +{ + return pstore_unregister_core_area(dev->driver->name, area, size); +} +EXPORT_SYMBOL_GPL(devcd_unregister_core_area); + static void devcd_dev_release(struct device *dev) { struct devcd_entry *devcd = dev_to_devcd(dev); diff --git a/include/linux/devcoredump.h b/include/linux/devcoredump.h index 377892604ff4..9d80e4ac91ff 100644 --- a/include/linux/devcoredump.h +++ b/include/linux/devcoredump.h @@ -69,6 +69,9 @@ void dev_coredumpsg(struct device *dev, struct scatterlist *table, size_t datalen, gfp_t gfp); void dev_coredump_put(struct device *dev); + +int devcd_register_core_area(struct device *, void *, size_t); +int devcd_unregister_core_area(struct device *, void *, size_t); #else static inline void dev_coredumpv(struct device *dev, void *data, size_t datalen, gfp_t gfp) -- 2.43.0