Re: [PATCH v3 6/6] x86/vmware: Add TDX hypercall support
From: kernel test robot
Date: Wed Dec 20 2023 - 08:10:07 EST
Hi Alexey,
kernel test robot noticed the following build warnings:
[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on dtor-input/next dtor-input/for-linus linus/master v6.7-rc6 next-20231220]
[cannot apply to tip/x86/vmware]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Alexey-Makhalov/x86-vmware-Move-common-macros-to-vmware-h/20231220-060028
base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link: https://lore.kernel.org/r/20231219215751.9445-7-alexey.makhalov%40broadcom.com
patch subject: [PATCH v3 6/6] x86/vmware: Add TDX hypercall support
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231220/202312202020.5O1T2aSk-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231220/202312202020.5O1T2aSk-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312202020.5O1T2aSk-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
>> arch/x86/kernel/cpu/vmware.c:439:40: warning: format specifies type 'unsigned int' but the argument has type 'unsigned long' [-Wformat]
pr_warn("Out of range command %x\n", cmd);
~~ ^~~
%lx
include/linux/printk.h:508:37: note: expanded from macro 'pr_warn'
printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/printk.h:455:60: note: expanded from macro 'printk'
#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/printk.h:427:19: note: expanded from macro 'printk_index_wrap'
_p_func(_fmt, ##__VA_ARGS__); \
~~~~ ^~~~~~~~~~~
1 warning generated.
vim +439 arch/x86/kernel/cpu/vmware.c
430
431 #ifdef CONFIG_INTEL_TDX_GUEST
432 unsigned long vmware_tdx_hypercall(unsigned long cmd,
433 struct tdx_module_args *args)
434 {
435 if (!hypervisor_is_type(X86_HYPER_VMWARE))
436 return 0;
437
438 if (cmd & ~VMWARE_CMD_MASK) {
> 439 pr_warn("Out of range command %x\n", cmd);
440 return 0;
441 }
442
443 args->r10 = VMWARE_TDX_VENDOR_LEAF;
444 args->r11 = VMWARE_TDX_HCALL_FUNC;
445 args->r12 = VMWARE_HYPERVISOR_MAGIC;
446 args->r13 = cmd;
447
448 __tdx_hypercall(args);
449
450 return args->r12;
451 }
452 EXPORT_SYMBOL_GPL(vmware_tdx_hypercall);
453 #endif
454
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki