[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <202309301948.CyCE3Y0P-lkp@intel.com>
Date: Sat, 30 Sep 2023 19:26:43 +0800
From: kernel test robot <lkp@...el.com>
To: Nuno Das Neves <nunodasneves@...ux.microsoft.com>,
linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
x86@...nel.org, linux-arm-kernel@...ts.infradead.org,
linux-arch@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, patches@...ts.linux.dev,
mikelley@...rosoft.com, kys@...rosoft.com, wei.liu@...nel.org,
gregkh@...uxfoundation.org, haiyangz@...rosoft.com,
decui@...rosoft.com, apais@...ux.microsoft.com,
Tianyu.Lan@...rosoft.com, ssengar@...ux.microsoft.com,
mukeshrathor@...rosoft.com, stanislav.kinsburskiy@...il.com,
jinankjain@...ux.microsoft.com, vkuznets@...hat.com,
tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
dave.hansen@...ux.intel.com, hpa@...or.com, will@...nel.org,
catalin.marinas@....com
Subject: Re: [PATCH v4 08/15] Drivers: hv: Introduce per-cpu event ring tail
Hi Nuno,
kernel test robot noticed the following build warnings:
[auto build test WARNING on arnd-asm-generic/master]
[also build test WARNING on arm64/for-next/core linus/master v6.6-rc3 next-20230929]
[cannot apply to tip/x86/core]
[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/Nuno-Das-Neves/hyperv-tlfs-Change-shared-HV_REGISTER_-defines-to-HV_MSR_/20230930-041305
base: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master
patch link: https://lore.kernel.org/r/1696010501-24584-9-git-send-email-nunodasneves%40linux.microsoft.com
patch subject: [PATCH v4 08/15] Drivers: hv: Introduce per-cpu event ring tail
config: x86_64-randconfig-123-20230930 (https://download.01.org/0day-ci/archive/20230930/202309301948.CyCE3Y0P-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230930/202309301948.CyCE3Y0P-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/202309301948.CyCE3Y0P-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/hv/hv_common.c:98:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __percpu *__pdata @@ got unsigned char [noderef] [usertype] __percpu **extern [addressable] [toplevel] hv_synic_eventring_tail @@
drivers/hv/hv_common.c:98:21: sparse: expected void [noderef] __percpu *__pdata
drivers/hv/hv_common.c:98:21: sparse: got unsigned char [noderef] [usertype] __percpu **extern [addressable] [toplevel] hv_synic_eventring_tail
>> drivers/hv/hv_common.c:349:41: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [noderef] [usertype] __percpu **extern [addressable] [assigned] [toplevel] hv_synic_eventring_tail @@ got unsigned char [usertype] *[noderef] __percpu * @@
drivers/hv/hv_common.c:349:41: sparse: expected unsigned char [noderef] [usertype] __percpu **extern [addressable] [assigned] [toplevel] hv_synic_eventring_tail
drivers/hv/hv_common.c:349:41: sparse: got unsigned char [usertype] *[noderef] __percpu *
>> drivers/hv/hv_common.c:399:55: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned char [noderef] [usertype] __percpu ** @@
drivers/hv/hv_common.c:399:55: sparse: expected void const [noderef] __percpu *__vpp_verify
drivers/hv/hv_common.c:399:55: sparse: got unsigned char [noderef] [usertype] __percpu **
vim +98 drivers/hv/hv_common.c
74
75 /*
76 * Hyper-V specific initialization and shutdown code that is
77 * common across all architectures. Called from architecture
78 * specific initialization functions.
79 */
80
81 void __init hv_common_free(void)
82 {
83 unregister_sysctl_table(hv_ctl_table_hdr);
84 hv_ctl_table_hdr = NULL;
85
86 if (ms_hyperv.misc_features & HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE)
87 hv_kmsg_dump_unregister();
88
89 kfree(hv_vp_index);
90 hv_vp_index = NULL;
91
92 free_percpu(hyperv_pcpu_output_arg);
93 hyperv_pcpu_output_arg = NULL;
94
95 free_percpu(hyperv_pcpu_input_arg);
96 hyperv_pcpu_input_arg = NULL;
97
> 98 free_percpu(hv_synic_eventring_tail);
99 hv_synic_eventring_tail = NULL;
100 }
101
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Powered by blists - more mailing lists