linux-kernel - Re: [PATCH v0 03/15] x86/hyperv: add insufficient memory support in irqdomain.c

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Message-ID: <202601210731.f1WLdgcO-lkp@intel.com>
Date: Wed, 21 Jan 2026 08:53:50 +0800
From: kernel test robot <lkp@...el.com>
To: Mukesh R <mrathor@...ux.microsoft.com>, linux-kernel@...r.kernel.org,
	linux-hyperv@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	iommu@...ts.linux.dev, linux-pci@...r.kernel.org,
	linux-arch@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, kys@...rosoft.com,
	haiyangz@...rosoft.com, wei.liu@...nel.org, decui@...rosoft.com,
	longli@...rosoft.com, catalin.marinas@....com, will@...nel.org,
	tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
	dave.hansen@...ux.intel.com, hpa@...or.com, joro@...tes.org,
	lpieralisi@...nel.org, kwilczynski@...nel.org, mani@...nel.org,
	robh@...nel.org, bhelgaas@...gle.com, arnd@...db.de,
	nunodasneves@...ux.microsoft.com, mhklinux@...look.com,
	romank@...ux.microsoft.com
Subject: Re: [PATCH v0 03/15] x86/hyperv: add insufficient memory support in
 irqdomain.c

Hi Mukesh,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/x86/core]
[also build test WARNING on pci/next pci/for-linus arm64/for-next/core clk/clk-next soc/for-next linus/master v6.19-rc6 next-20260120]
[cannot apply to arnd-asm-generic/master]
[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/Mukesh-R/iommu-hyperv-rename-hyperv-iommu-c-to-hyperv-irq-c/20260120-145832
base:   tip/x86/core
patch link:    https://lore.kernel.org/r/20260120064230.3602565-4-mrathor%40linux.microsoft.com
patch subject: [PATCH v0 03/15] x86/hyperv: add insufficient memory support in irqdomain.c
config: i386-randconfig-053-20260120 (https://download.01.org/0day-ci/archive/20260121/202601210731.f1WLdgcO-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0

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/202601210731.f1WLdgcO-lkp@intel.com/

cocci warnings: (new ones prefixed by >>)
>> arch/x86/hyperv/irqdomain.c:90:2-3: Unneeded semicolon

vim +90 arch/x86/hyperv/irqdomain.c

    72	
    73	static int hv_map_interrupt(u64 ptid, union hv_device_id device_id, bool level,
    74				    int cpu, int vector,
    75				    struct hv_interrupt_entry *ret_entry)
    76	{
    77		u64 status;
    78		int rc, deposit_pgs = 16;		/* don't loop forever */
    79	
    80		while (deposit_pgs--) {
    81			status = hv_map_interrupt_hcall(ptid, device_id, level, cpu,
    82							vector, ret_entry);
    83	
    84			if (hv_result(status) != HV_STATUS_INSUFFICIENT_MEMORY)
    85				break;
    86	
    87			rc = hv_call_deposit_pages(NUMA_NO_NODE, ptid, 1);
    88			if (rc)
    89				break;
  > 90		};
    91	
    92		if (!hv_result_success(status))
    93			hv_status_err(status, "\n");
    94	
    95		return hv_result_to_errno(status);
    96	}
    97	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki