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Re: [Xen-devel] [PATCH] x86: convert x86_platform_ops to timespec64



Hi Arnd,

[auto build test ERROR on tip/x86/core]
[also build test ERROR on v4.14-rc5 next-20171013]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Arnd-Bergmann/x86-convert-x86_platform_ops-to-timespec64/20171016-091601
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   arch/x86/xen/time.c: In function 'xen_init_time_ops':
>> arch/x86/xen/time.c:418:29: error: assignment from incompatible pointer type 
>> [-Werror=incompatible-pointer-types]
     x86_platform.get_wallclock = xen_get_wallclock;
                                ^
   arch/x86/xen/time.c:421:30: error: assignment from incompatible pointer type 
[-Werror=incompatible-pointer-types]
      x86_platform.set_wallclock = xen_set_wallclock;
                                 ^
   arch/x86/xen/time.c: In function 'xen_hvm_init_time_ops':
   arch/x86/xen/time.c:458:29: error: assignment from incompatible pointer type 
[-Werror=incompatible-pointer-types]
     x86_platform.get_wallclock = xen_get_wallclock;
                                ^
   arch/x86/xen/time.c:459:29: error: assignment from incompatible pointer type 
[-Werror=incompatible-pointer-types]
     x86_platform.set_wallclock = xen_set_wallclock;
                                ^
   cc1: some warnings being treated as errors
--
   In file included from include/linux/printk.h:6:0,
                    from include/linux/kernel.h:13,
                    from arch/x86/platform/intel-mid/intel_mid_vrtc.c:20:
   arch/x86/platform/intel-mid/intel_mid_vrtc.c: In function 'vrtc_set_mmss':
>> include/linux/kern_levels.h:4:18: warning: format '%llx' expects argument of 
>> type 'long long unsigned int', but argument 3 has type '__kernel_time_t {aka 
>> const long int}' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^~~~~~~~
   include/linux/printk.h:301:9: note: in expansion of macro 'KERN_ERR'
     printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
            ^~~~~~~~
>> arch/x86/platform/intel-mid/intel_mid_vrtc.c:113:3: note: in expansion of 
>> macro 'pr_err'
      pr_err("%s: Invalid vRTC value: write of %llx to vRTC failed\n",
      ^~~~~~
--
   In file included from include/linux/printk.h:6:0,
                    from include/linux/kernel.h:13,
                    from arch/x86//platform/intel-mid/intel_mid_vrtc.c:20:
   arch/x86//platform/intel-mid/intel_mid_vrtc.c: In function 'vrtc_set_mmss':
>> include/linux/kern_levels.h:4:18: warning: format '%llx' expects argument of 
>> type 'long long unsigned int', but argument 3 has type '__kernel_time_t {aka 
>> const long int}' [-Wformat=]
    #define KERN_SOH "\001"  /* ASCII Start Of Header */
                     ^
   include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH'
    #define KERN_ERR KERN_SOH "3" /* error conditions */
                     ^~~~~~~~
   include/linux/printk.h:301:9: note: in expansion of macro 'KERN_ERR'
     printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
            ^~~~~~~~
   arch/x86//platform/intel-mid/intel_mid_vrtc.c:113:3: note: in expansion of 
macro 'pr_err'
      pr_err("%s: Invalid vRTC value: write of %llx to vRTC failed\n",
      ^~~~~~

vim +418 arch/x86/xen/time.c

409771d2 Stefano Stabellini 2010-05-14  408  
d162809f Boris Ostrovsky    2017-05-03  409  void __ref xen_init_time_ops(void)
409771d2 Stefano Stabellini 2010-05-14  410  {
409771d2 Stefano Stabellini 2010-05-14  411     pv_time_ops = xen_time_ops;
409771d2 Stefano Stabellini 2010-05-14  412  
409771d2 Stefano Stabellini 2010-05-14  413     x86_init.timers.timer_init = 
xen_time_init;
409771d2 Stefano Stabellini 2010-05-14  414     
x86_init.timers.setup_percpu_clockev = x86_init_noop;
409771d2 Stefano Stabellini 2010-05-14  415     
x86_cpuinit.setup_percpu_clockev = x86_init_noop;
409771d2 Stefano Stabellini 2010-05-14  416  
409771d2 Stefano Stabellini 2010-05-14  417     x86_platform.calibrate_tsc = 
xen_tsc_khz;
409771d2 Stefano Stabellini 2010-05-14 @418     x86_platform.get_wallclock = 
xen_get_wallclock;
47433b8c David Vrabel       2013-06-27  419     /* Dom0 uses the native method 
to set the hardware RTC. */
47433b8c David Vrabel       2013-06-27  420     if (!xen_initial_domain())
409771d2 Stefano Stabellini 2010-05-14  421             
x86_platform.set_wallclock = xen_set_wallclock;
409771d2 Stefano Stabellini 2010-05-14  422  }
409771d2 Stefano Stabellini 2010-05-14  423  

:::::: The code at line 418 was first introduced by commit
:::::: 409771d258e9dd71c30f3c9520fd2b796ffc40f0 x86: Use xen_vcpuop_clockevent, 
xen_clocksource and xen wallclock.

:::::: TO: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
:::::: CC: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip

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