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Message-ID: <202511260546.RGx7vwyX-lkp@intel.com>
Date: Wed, 26 Nov 2025 05:19:14 +0800
From: kernel test robot <lkp@...el.com>
To: Anirudh Raybharam <anirudh@...rudhrb.com>, kys@...rosoft.com,
haiyangz@...rosoft.com, wei.liu@...nel.org, decui@...rosoft.com,
longli@...rosoft.com, catalin.marinas@....com, will@...nel.org,
maz@...nel.org, tglx@...utronix.de, Arnd Bergmann <arnd@...db.de>,
akpm@...ux-foundation.org, agordeev@...ux.ibm.com,
guoweikang.kernel@...il.com, osandov@...com, bsz@...zon.de,
linux-hyperv@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH 1/3] arm64: hyperv: move hyperv detection earlier in boot
Hi Anirudh,
kernel test robot noticed the following build errors:
[auto build test ERROR on next-20251125]
[also build test ERROR on v6.18-rc7]
[cannot apply to arm64/for-next/core tip/irq/core arnd-asm-generic/master linus/master v6.18-rc7 v6.18-rc6 v6.18-rc5]
[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/Anirudh-Raybharam/arm64-hyperv-move-hyperv-detection-earlier-in-boot/20251126-011057
base: next-20251125
patch link: https://lore.kernel.org/r/20251125170124.2443340-2-anirudh%40anirudhrb.com
patch subject: [PATCH 1/3] arm64: hyperv: move hyperv detection earlier in boot
config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20251126/202511260546.RGx7vwyX-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251126/202511260546.RGx7vwyX-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/202511260546.RGx7vwyX-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/arm64/include/asm/mshyperv.h:66,
from arch/arm64/kernel/setup.c:57:
>> include/asm-generic/mshyperv.h:326:38: error: return type is an incomplete type
326 | static inline enum hv_isolation_type hv_get_isolation_type(void)
| ^~~~~~~~~~~~~~~~~~~~~
include/asm-generic/mshyperv.h: In function 'hv_get_isolation_type':
>> include/asm-generic/mshyperv.h:328:16: error: 'HV_ISOLATION_TYPE_NONE' undeclared (first use in this function)
328 | return HV_ISOLATION_TYPE_NONE;
| ^~~~~~~~~~~~~~~~~~~~~~
include/asm-generic/mshyperv.h:328:16: note: each undeclared identifier is reported only once for each function it appears in
>> include/asm-generic/mshyperv.h:328:16: error: 'return' with a value, in function returning void [-Wreturn-mismatch]
include/asm-generic/mshyperv.h:326:38: note: declared here
326 | static inline enum hv_isolation_type hv_get_isolation_type(void)
| ^~~~~~~~~~~~~~~~~~~~~
vim +326 include/asm-generic/mshyperv.h
7ad9bb9d0f357d Wei Liu 2021-09-10 289
3817854ba89201 Nuno Das Neves 2025-03-14 290 #define _hv_status_fmt(fmt) "%s: Hyper-V status: %#x = %s: " fmt
3817854ba89201 Nuno Das Neves 2025-03-14 291 #define hv_status_printk(level, status, fmt, ...) \
3817854ba89201 Nuno Das Neves 2025-03-14 292 do { \
3817854ba89201 Nuno Das Neves 2025-03-14 293 u64 __status = (status); \
3817854ba89201 Nuno Das Neves 2025-03-14 294 pr_##level(_hv_status_fmt(fmt), __func__, hv_result(__status), \
3817854ba89201 Nuno Das Neves 2025-03-14 295 hv_result_to_string(__status), ##__VA_ARGS__); \
3817854ba89201 Nuno Das Neves 2025-03-14 296 } while (0)
3817854ba89201 Nuno Das Neves 2025-03-14 297 #define hv_status_err(status, fmt, ...) \
3817854ba89201 Nuno Das Neves 2025-03-14 298 hv_status_printk(err, status, fmt, ##__VA_ARGS__)
3817854ba89201 Nuno Das Neves 2025-03-14 299 #define hv_status_debug(status, fmt, ...) \
3817854ba89201 Nuno Das Neves 2025-03-14 300 hv_status_printk(debug, status, fmt, ##__VA_ARGS__)
3817854ba89201 Nuno Das Neves 2025-03-14 301
3817854ba89201 Nuno Das Neves 2025-03-14 302 const char *hv_result_to_string(u64 hv_status);
9d8731a1757bef Nuno Das Neves 2025-02-21 303 int hv_result_to_errno(u64 status);
f3a99e761efa61 Tianyu Lan 2020-04-06 304 void hyperv_report_panic(struct pt_regs *regs, long err, bool in_die);
765e33f5211ab6 Michael Kelley 2019-05-30 305 bool hv_is_hyperv_initialized(void);
b96f86534fa310 Dexuan Cui 2019-11-19 306 bool hv_is_hibernation_supported(void);
a6c76bb08dc7f7 Andrea Parri (Microsoft 2021-02-01 307) enum hv_isolation_type hv_get_isolation_type(void);
a6c76bb08dc7f7 Andrea Parri (Microsoft 2021-02-01 308) bool hv_is_isolation_supported(void);
0cc4f6d9f0b9f2 Tianyu Lan 2021-10-25 309 bool hv_isolation_type_snp(void);
20c89a559e00df Tianyu Lan 2021-10-25 310 u64 hv_ghcb_hypercall(u64 control, void *input, void *output, u32 input_size);
d6e0228d265f29 Dexuan Cui 2023-08-24 311 u64 hv_tdx_hypercall(u64 control, u64 param1, u64 param2);
3e1b611515d286 Tianyu Lan 2025-09-18 312 void hv_enable_coco_interrupt(unsigned int cpu, unsigned int vector, bool set);
a156ad8c508209 Roman Kisel 2025-10-08 313 void hv_para_set_sint_proxy(bool enable);
e6eeb3c782739c Roman Kisel 2025-10-08 314 u64 hv_para_get_synic_register(unsigned int reg);
e6eeb3c782739c Roman Kisel 2025-10-08 315 void hv_para_set_synic_register(unsigned int reg, u64 val);
765e33f5211ab6 Michael Kelley 2019-05-30 316 void hyperv_cleanup(void);
6dc2a774cb4fdb Sunil Muthuswamy 2021-03-23 317 bool hv_query_ext_cap(u64 cap_query);
37200078ed6aa2 Michael Kelley 2022-03-24 318 void hv_setup_dma_ops(struct device *dev, bool coherent);
765e33f5211ab6 Michael Kelley 2019-05-30 319 #else /* CONFIG_HYPERV */
db912b8954c23a Nuno Das Neves 2025-02-21 320 static inline void hv_identify_partition_type(void) {}
765e33f5211ab6 Michael Kelley 2019-05-30 321 static inline bool hv_is_hyperv_initialized(void) { return false; }
b96f86534fa310 Dexuan Cui 2019-11-19 322 static inline bool hv_is_hibernation_supported(void) { return false; }
765e33f5211ab6 Michael Kelley 2019-05-30 323 static inline void hyperv_cleanup(void) {}
f2580a907e5c0e Michael Kelley 2024-03-18 324 static inline void ms_hyperv_late_init(void) {}
0cc4f6d9f0b9f2 Tianyu Lan 2021-10-25 325 static inline bool hv_is_isolation_supported(void) { return false; }
0cc4f6d9f0b9f2 Tianyu Lan 2021-10-25 @326 static inline enum hv_isolation_type hv_get_isolation_type(void)
0cc4f6d9f0b9f2 Tianyu Lan 2021-10-25 327 {
0cc4f6d9f0b9f2 Tianyu Lan 2021-10-25 @328 return HV_ISOLATION_TYPE_NONE;
0cc4f6d9f0b9f2 Tianyu Lan 2021-10-25 329 }
765e33f5211ab6 Michael Kelley 2019-05-30 330 #endif /* CONFIG_HYPERV */
765e33f5211ab6 Michael Kelley 2019-05-30 331
--
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https://github.com/intel/lkp-tests/wiki
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