From mboxrd@z Thu Jan 1 00:00:00 1970 From: "K. Y. Srinivasan" Subject: [PATCH 2/8] Staging: hv: vmbus: Invoke vmbus_on_msg_dpc() directly Date: Mon, 15 Aug 2011 15:12:01 -0700 Message-ID: <1313446327-10650-2-git-send-email-kys@microsoft.com> References: <1313446210-10611-1-git-send-email-kys@microsoft.com> <1313446327-10650-1-git-send-email-kys@microsoft.com> Return-path: In-Reply-To: <1313446327-10650-1-git-send-email-kys@microsoft.com> Sender: linux-kernel-owner@vger.kernel.org To: gregkh@suse.de, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, virtualization@lists.osdl.org Cc: "K. Y. Srinivasan" , Haiyang Zhang List-Id: virtualization@lists.linuxfoundation.org The message processing function needs to execute on the same CPU where the interrupt was taken. tasklets cannot gurantee this; so, invoke the function directly. Signed-off-by: K. Y. Srinivasan Signed-off-by: Haiyang Zhang --- drivers/staging/hv/vmbus_drv.c | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-) diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index bb25c5b..1d4e878 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@ -39,7 +39,6 @@ static struct acpi_device *hv_acpi_dev; -static struct tasklet_struct msg_dpc; static struct tasklet_struct event_dpc; unsigned int vmbus_loglevel = (ALL_MODULES << 16 | INFO_LVL); @@ -425,7 +424,7 @@ static irqreturn_t vmbus_isr(int irq, void *dev_id) /* Check if there are actual msgs to be process */ if (msg->header.message_type != HVMSG_NONE) { handled = true; - tasklet_schedule(&msg_dpc); + vmbus_on_msg_dpc(0); } page_addr = hv_context.synic_event_page[cpu]; @@ -465,7 +464,6 @@ static int vmbus_bus_init(int irq) } /* Initialize the bus context */ - tasklet_init(&msg_dpc, vmbus_on_msg_dpc, 0); tasklet_init(&event_dpc, vmbus_on_event, 0); /* Now, register the bus with LDM */ -- 1.7.4.1