lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 2 Mar 2015 11:49:23 +0800 From: kbuild test robot <fengguang.wu@...el.com> To: Nick Meier <nmeier@...rosoft.com> Cc: kbuild-all@...org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "K. Y. Srinivasan" <kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, devel@...uxdriverproject.org, linux-kernel@...r.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 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists