Re: [PATCH v8 2/6] arm64: hyperv: Add Hyper-V clocksource/clockevent support

From: kernel test robot
Date: Thu Feb 18 2021 - 21:37:27 EST


Hi Michael,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on arm64/for-next/core]
[also build test WARNING 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
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Michael-Kelley/Enable-Linux-guests-on-Hyper-V-on-ARM64/20210219-072336
base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git 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):
# https://github.com/0day-ci/linux/commit/a8eb25332c441e0965c0ecdfb1a86b507e3465e1
git remote add linux-review https://github.com/0day-ci/linux
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 <lkp@xxxxxxxxx>

All warnings (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 +478 drivers/clocksource/hyperv_timer.c

476
477 /* Initialize everything on ARM64 */
> 478 static int __init hyperv_timer_init(struct acpi_table_header *table)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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