I will correct this constant definition and resubmit. -Nick Meier -----Original Message----- From: kbuild test robot [mailto:fengguang.wu@xxxxxxxxx] Sent: Sunday, March 1, 2015 8:49 PM To: Nick Meier Cc: kbuild-all@xxxxxx; Greg Kroah-Hartman; KY Srinivasan; Haiyang Zhang; devel@xxxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx 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 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 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
