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Date:   Fri, 19 Feb 2021 12:40:21 +0800
From:   kernel test robot <>
To:     Michael Kelley <>,,,,,,,,,,
Subject: Re: [PATCH v8 2/6] arm64: hyperv: Add Hyper-V clocksource/clockevent

Hi Michael,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on arm64/for-next/core]
[also build test ERROR on tip/timers/core efi/next linus/master v5.11 next-20210218]
[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]

base: for-next/core
config: i386-randconfig-a003-20210218 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        git remote add linux-review
        git fetch --no-tags linux-review Michael-Kelley/Enable-Linux-guests-on-Hyper-V-on-ARM64/20210219-072336
        git checkout a8eb25332c441e0965c0ecdfb1a86b507e3465e1
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <>

All errors (new ones prefixed by >>):

   drivers/clocksource/hyperv_timer.c:478:44: warning: 'struct acpi_table_header' declared inside parameter list will not be visible outside of this definition or declaration
     478 | static int __init hyperv_timer_init(struct acpi_table_header *table)
         |                                            ^~~~~~~~~~~~~~~~~
   drivers/clocksource/hyperv_timer.c: In function 'hyperv_timer_init':
>> drivers/clocksource/hyperv_timer.c:484:6: error: too many arguments to function 'hv_stimer_alloc'
     484 |  if (hv_stimer_alloc(true))
         |      ^~~~~~~~~~~~~~~
   drivers/clocksource/hyperv_timer.c:173:5: note: declared here
     173 | int hv_stimer_alloc(void)
         |     ^~~~~~~~~~~~~~~
   In file included from include/linux/clockchips.h:14,
                    from drivers/clocksource/hyperv_timer.c:16:
   drivers/clocksource/hyperv_timer.c: At top level:
>> include/linux/clocksource.h:283:50: error: expected ')' before numeric constant
     283 |  ACPI_DECLARE_PROBE_ENTRY(timer, name, table_id, 0, NULL, 0, fn)
         |                                                  ^
   drivers/clocksource/hyperv_timer.c:489:1: note: in expansion of macro 'TIMER_ACPI_DECLARE'
     489 | TIMER_ACPI_DECLARE(hyperv, ACPI_SIG_GTDT, hyperv_timer_init);
         | ^~~~~~~~~~~~~~~~~~
   drivers/clocksource/hyperv_timer.c:478:19: warning: 'hyperv_timer_init' defined but not used [-Wunused-function]
     478 | static int __init hyperv_timer_init(struct acpi_table_header *table)
         |                   ^~~~~~~~~~~~~~~~~

vim +/hv_stimer_alloc +484 drivers/clocksource/hyperv_timer.c

   477	/* Initialize everything on ARM64 */
   478	static int __init hyperv_timer_init(struct acpi_table_header *table)
   479	{
   480		if (!hv_is_hyperv_initialized())
   481			return -EINVAL;
   483		hv_init_clocksource();
 > 484		if (hv_stimer_alloc(true))

0-DAY CI Kernel Test Service, Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (29415 bytes)

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