linux-kernel - Re: [PATCH hyperv-next 2/2] x86/hyperv: VTL mode callback for restarting the system

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <202501182304.lZJpR7pL-lkp@intel.com>
Date: Sun, 19 Jan 2025 00:19:39 +0800
From: kernel test robot <lkp@...el.com>
To: Roman Kisel <romank@...ux.microsoft.com>, bp@...en8.de,
	dave.hansen@...ux.intel.com, decui@...rosoft.com,
	haiyangz@...rosoft.com, hpa@...or.com, kys@...rosoft.com,
	mingo@...hat.com, ssengar@...ux.microsoft.com, tglx@...utronix.de,
	wei.liu@...nel.org, linux-hyperv@...r.kernel.org,
	linux-kernel@...r.kernel.org, x86@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	apais@...rosoft.com, benhill@...rosoft.com, sunilmut@...rosoft.com,
	vdso@...bites.dev
Subject: Re: [PATCH hyperv-next 2/2] x86/hyperv: VTL mode callback for
 restarting the system

Hi Roman,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 2e03358be78b65d28b66e17aca9e0c8700b0df78]

url:    https://github.com/intel-lab-lkp/linux/commits/Roman-Kisel/x86-hyperv-VTL-mode-emergency-restart-callback/20250118-050923
base:   2e03358be78b65d28b66e17aca9e0c8700b0df78
patch link:    https://lore.kernel.org/r/20250117210702.1529580-3-romank%40linux.microsoft.com
patch subject: [PATCH hyperv-next 2/2] x86/hyperv: VTL mode callback for restarting the system
config: x86_64-buildonly-randconfig-003-20250118 (https://download.01.org/0day-ci/archive/20250118/202501182304.lZJpR7pL-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250118/202501182304.lZJpR7pL-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501182304.lZJpR7pL-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/hyperv/hv_vtl.c:48:46: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
      48 | static void  __noreturn hv_vtl_restart(char *)
         |                                              ^
   1 warning generated.


vim +48 arch/x86/hyperv/hv_vtl.c

    46	
    47	/* The only way to restart is triple fault */
  > 48	static void  __noreturn hv_vtl_restart(char *)
    49	{
    50		hv_vtl_emergency_restart();
    51	}
    52	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki