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Message-ID: <202109010001.5r11IRSX-lkp@intel.com>
Date: Wed, 1 Sep 2021 00:19:08 +0800
From: kernel test robot <lkp@...el.com>
To: Giovanni Cabiddu <giovanni.cabiddu@...el.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org,
Herbert Xu <herbert@...dor.apana.org.au>,
Fiona Trahe <fiona.trahe@...el.com>,
Wojciech Ziemba <wojciech.ziemba@...el.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: drivers/crypto/qat/qat_c62xvf/adf_c62xvf_hw_data.c:102:28: warning:
taking address of packed member 'csr_ops' of class or structure
'adf_hw_device_data' may result in an unaligned pointer value
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b91db6a0b52e019b6bdabea3f1dbe36d85c7e52c
commit: f9c697c4bfc6002d92e8015b65fe2a79acadb416 crypto: qat - split transport CSR access logic
date: 10 months ago
config: i386-randconfig-r012-20210831 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4b1fde8a2b681dad2ce0c082a5d6422caa06b0bc)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9c697c4bfc6002d92e8015b65fe2a79acadb416
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f9c697c4bfc6002d92e8015b65fe2a79acadb416
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
clang-14: warning: optimization flag '-falign-jumps=0' is not supported [-Wignored-optimization-argument]
In file included from drivers/crypto/qat/qat_c62xvf/adf_c62xvf_hw_data.c:3:
In file included from drivers/crypto/qat/qat_c62xvf/../qat_common/adf_accel_devices.h:5:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:5:
In file included from include/linux/context_tracking_state.h:5:
In file included from include/linux/percpu.h:6:
In file included from include/linux/preempt.h:78:
In file included from arch/x86/include/asm/preempt.h:7:
In file included from include/linux/thread_info.h:38:
arch/x86/include/asm/thread_info.h:183:13: warning: calling '__builtin_frame_address' with a nonzero argument is unsafe [-Wframe-address]
oldframe = __builtin_frame_address(1);
^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/thread_info.h:185:11: warning: calling '__builtin_frame_address' with a nonzero argument is unsafe [-Wframe-address]
frame = __builtin_frame_address(2);
^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/crypto/qat/qat_c62xvf/adf_c62xvf_hw_data.c:102:28: warning: taking address of packed member 'csr_ops' of class or structure 'adf_hw_device_data' may result in an unaligned pointer value [-Waddress-of-packed-member]
adf_gen2_init_hw_csr_ops(&hw_data->csr_ops);
^~~~~~~~~~~~~~~~
3 warnings generated.
vim +102 drivers/crypto/qat/qat_c62xvf/adf_c62xvf_hw_data.c
68
69 void adf_init_hw_data_c62xiov(struct adf_hw_device_data *hw_data)
70 {
71 hw_data->dev_class = &c62xiov_class;
72 hw_data->num_banks = ADF_C62XIOV_ETR_MAX_BANKS;
73 hw_data->num_rings_per_bank = ADF_ETR_MAX_RINGS_PER_BANK;
74 hw_data->num_accel = ADF_C62XIOV_MAX_ACCELERATORS;
75 hw_data->num_logical_accel = 1;
76 hw_data->num_engines = ADF_C62XIOV_MAX_ACCELENGINES;
77 hw_data->tx_rx_gap = ADF_C62XIOV_RX_RINGS_OFFSET;
78 hw_data->tx_rings_mask = ADF_C62XIOV_TX_RINGS_MASK;
79 hw_data->alloc_irq = adf_vf_isr_resource_alloc;
80 hw_data->free_irq = adf_vf_isr_resource_free;
81 hw_data->enable_error_correction = adf_vf_void_noop;
82 hw_data->init_admin_comms = adf_vf_int_noop;
83 hw_data->exit_admin_comms = adf_vf_void_noop;
84 hw_data->send_admin_init = adf_vf2pf_init;
85 hw_data->init_arb = adf_vf_int_noop;
86 hw_data->exit_arb = adf_vf_void_noop;
87 hw_data->disable_iov = adf_vf2pf_shutdown;
88 hw_data->get_accel_mask = get_accel_mask;
89 hw_data->get_ae_mask = get_ae_mask;
90 hw_data->get_num_accels = get_num_accels;
91 hw_data->get_num_aes = get_num_aes;
92 hw_data->get_etr_bar_id = get_etr_bar_id;
93 hw_data->get_misc_bar_id = get_misc_bar_id;
94 hw_data->get_pf2vf_offset = get_pf2vf_offset;
95 hw_data->get_vintmsk_offset = get_vintmsk_offset;
96 hw_data->get_sku = get_sku;
97 hw_data->enable_ints = adf_vf_void_noop;
98 hw_data->enable_vf2pf_comms = adf_enable_vf2pf_comms;
99 hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION;
100 hw_data->dev_class->instances++;
101 adf_devmgr_update_class_index(hw_data);
> 102 adf_gen2_init_hw_csr_ops(&hw_data->csr_ops);
103 }
104
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Download attachment ".config.gz" of type "application/gzip" (41395 bytes)
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