From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753502AbbCBDt5 (ORCPT ); Sun, 1 Mar 2015 22:49:57 -0500 Received: from mga03.intel.com ([134.134.136.65]:12800 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752235AbbCBDt4 (ORCPT ); Sun, 1 Mar 2015 22:49:56 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,673,1418112000"; d="scan'208";a="673659208" Date: Mon, 2 Mar 2015 11:49:23 +0800 From: kbuild test robot To: Nick Meier Cc: kbuild-all@01.org, Greg Kroah-Hartman , "K. Y. Srinivasan" , Haiyang Zhang , devel@linuxdriverproject.org, linux-kernel@vger.kernel.org Subject: [char-misc:char-misc-testing 25/45] drivers/hv/vmbus_drv.c:67:9: sparse: constant 0x8000000000000000 is so big it is unsigned long Message-ID: <201503021114.KsEpH21F%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: fengguang.wu@intel.com X-SA-Exim-Scanned: No (on bee); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-testing head: b3de8e3719e582f3182bb504295e4a8e43c8c96f commit: 96c1d0581d00f7abe033350edb021a9d947d8d81 [25/45] Drivers: hv: vmbus: Add support for VMBus panic notifier handler reproduce: # apt-get install sparse git checkout 96c1d0581d00f7abe033350edb021a9d947d8d81 make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> drivers/hv/vmbus_drv.c:67:9: sparse: constant 0x8000000000000000 is so big it is unsigned long >> drivers/hv/vmbus_drv.c:67:9: sparse: constant 0x8000000000000000 is so big it is unsigned long >> drivers/hv/vmbus_drv.c:51:5: sparse: symbol 'hyperv_panic_event' was not declared. Should it be static? >> drivers/hv/vmbus_drv.c:67:9: sparse: cast truncates bits from constant value (8000000000000000 becomes 0) Please review and possibly fold the followup patch. vim +67 drivers/hv/vmbus_drv.c 45 46 static struct tasklet_struct msg_dpc; 47 static struct completion probe_event; 48 static int irq; 49 50 > 51 int hyperv_panic_event(struct notifier_block *nb, 52 unsigned long event, void *ptr) 53 { 54 struct pt_regs *regs; 55 56 regs = current_pt_regs(); 57 58 wrmsrl(HV_X64_MSR_CRASH_P0, regs->ip); 59 wrmsrl(HV_X64_MSR_CRASH_P1, regs->ax); 60 wrmsrl(HV_X64_MSR_CRASH_P2, regs->bx); 61 wrmsrl(HV_X64_MSR_CRASH_P3, regs->cx); 62 wrmsrl(HV_X64_MSR_CRASH_P4, regs->dx); 63 64 /* 65 * Let Hyper-V know there is crash data available 66 */ > 67 wrmsrl(HV_X64_MSR_CRASH_CTL, HV_CRASH_CTL_CRASH_NOTIFY); 68 return NOTIFY_DONE; 69 } 70 --- 0-DAY kernel test infrastructure Open Source Technology Center http://lists.01.org/mailman/listinfo/kbuild Intel Corporation