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[91.219.240.2]) by smtp.gmail.com with ESMTPSA id a2sm17305337wra.71.2020.04.06.03.42.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2020 03:42:00 -0700 (PDT) From: Vitaly Kuznetsov To: linux-hyperv@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Wei Liu , Tianyu Lan , Michael Kelley , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , "Andrea Parri (Microsoft)" Subject: [PATCH v2 3/5] Drivers: hv: avoid passing opaque pointer to vmbus_onmessage() Date: Mon, 6 Apr 2020 12:41:52 +0200 Message-Id: <20200406104154.45010-4-vkuznets@redhat.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200406104154.45010-1-vkuznets@redhat.com> References: <20200406104154.45010-1-vkuznets@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org vmbus_onmessage() doesn't need the header of the message, it only uses it to get to the payload, we can pass the pointer to the payload directly. Signed-off-by: Vitaly Kuznetsov Reviewed-by: Michael Kelley --- drivers/hv/channel_mgmt.c | 7 +------ drivers/hv/vmbus_drv.c | 3 ++- include/linux/hyperv.h | 2 +- 3 files changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 0370364169c4..c6bcfee6ac99 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -1360,13 +1360,8 @@ channel_message_table[CHANNELMSG_COUNT] = { * * This is invoked in the vmbus worker thread context. */ -void vmbus_onmessage(void *context) +void vmbus_onmessage(struct vmbus_channel_message_header *hdr) { - struct hv_message *msg = context; - struct vmbus_channel_message_header *hdr; - - hdr = (struct vmbus_channel_message_header *)msg->u.payload; - trace_vmbus_on_message(hdr); /* diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index b114bb411d7e..4ab2f1511dcb 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1007,7 +1007,8 @@ static void vmbus_onmessage_work(struct work_struct *work) ctx = container_of(work, struct onmessage_work_context, work); - vmbus_onmessage(&ctx->msg); + vmbus_onmessage((struct vmbus_channel_message_header *) + &ctx->msg.payload); kfree(ctx); } diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 692c89ccf5df..cbd24f4e68d1 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -1017,7 +1017,7 @@ static inline void clear_low_latency_mode(struct vmbus_channel *c) c->low_latency = false; } -void vmbus_onmessage(void *context); +void vmbus_onmessage(struct vmbus_channel_message_header *hdr); int vmbus_request_offers(void); -- 2.25.1