From: kernel test robot <lkp@intel.com>
To: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org,
Herbert Xu <herbert@gondor.apana.org.au>,
Fiona Trahe <fiona.trahe@intel.com>,
Wojciech Ziemba <wojciech.ziemba@intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c:229:28: warning: taking address of packed member 'csr_ops' of class or structure 'adf_hw_device_data' may result in an unaligned pointer value
Date: Fri, 3 Sep 2021 15:26:45 +0800 [thread overview]
Message-ID: <202109031540.4K5y259V-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a9c9a6f741cdaa2fa9ba24a790db8d07295761e3
commit: f9c697c4bfc6002d92e8015b65fe2a79acadb416 crypto: qat - split transport CSR access logic
date: 10 months ago
config: i386-buildonly-randconfig-r002-20210903 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c9948e9254fbb6ea00f66c7b4542311d21e060be)
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@intel.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_dh895xcc/adf_dh895xcc_hw_data.c:3:
In file included from drivers/crypto/qat/qat_dh895xcc/../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_dh895xcc/adf_dh895xcc_hw_data.c:229:28: 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 +229 drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c
190
191 void adf_init_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
192 {
193 hw_data->dev_class = &dh895xcc_class;
194 hw_data->instance_id = dh895xcc_class.instances++;
195 hw_data->num_banks = ADF_DH895XCC_ETR_MAX_BANKS;
196 hw_data->num_rings_per_bank = ADF_ETR_MAX_RINGS_PER_BANK;
197 hw_data->num_accel = ADF_DH895XCC_MAX_ACCELERATORS;
198 hw_data->num_logical_accel = 1;
199 hw_data->num_engines = ADF_DH895XCC_MAX_ACCELENGINES;
200 hw_data->tx_rx_gap = ADF_DH895XCC_RX_RINGS_OFFSET;
201 hw_data->tx_rings_mask = ADF_DH895XCC_TX_RINGS_MASK;
202 hw_data->alloc_irq = adf_isr_resource_alloc;
203 hw_data->free_irq = adf_isr_resource_free;
204 hw_data->enable_error_correction = adf_enable_error_correction;
205 hw_data->get_accel_mask = get_accel_mask;
206 hw_data->get_ae_mask = get_ae_mask;
207 hw_data->get_num_accels = get_num_accels;
208 hw_data->get_num_aes = get_num_aes;
209 hw_data->get_etr_bar_id = get_etr_bar_id;
210 hw_data->get_misc_bar_id = get_misc_bar_id;
211 hw_data->get_pf2vf_offset = get_pf2vf_offset;
212 hw_data->get_vintmsk_offset = get_vintmsk_offset;
213 hw_data->get_sram_bar_id = get_sram_bar_id;
214 hw_data->get_sku = get_sku;
215 hw_data->fw_name = ADF_DH895XCC_FW;
216 hw_data->fw_mmp_name = ADF_DH895XCC_MMP;
217 hw_data->init_admin_comms = adf_init_admin_comms;
218 hw_data->exit_admin_comms = adf_exit_admin_comms;
219 hw_data->configure_iov_threads = configure_iov_threads;
220 hw_data->disable_iov = adf_disable_sriov;
221 hw_data->send_admin_init = adf_send_admin_init;
222 hw_data->init_arb = adf_init_arb;
223 hw_data->exit_arb = adf_exit_arb;
224 hw_data->get_arb_mapping = adf_get_arbiter_mapping;
225 hw_data->enable_ints = adf_enable_ints;
226 hw_data->enable_vf2pf_comms = adf_pf_enable_vf2pf_comms;
227 hw_data->reset_device = adf_reset_sbr;
228 hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION;
> 229 adf_gen2_init_hw_csr_ops(&hw_data->csr_ops);
230 }
231
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next reply other threads:[~2021-09-03 7:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-03 7:26 kernel test robot [this message]
2021-09-03 8:54 ` drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c:229:28: warning: taking address of packed member 'csr_ops' of class or structure 'adf_hw_device_data' may result in an unaligned pointer value Giovanni Cabiddu
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