CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: "Kan, Liang," <kan.li...@linux.intel.com> CC: Peter Zijlstra <pet...@infradead.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 commit: 3442a9ecb8e72a33c28a2b969b766c659830e410 perf/x86/intel/uncore: Factor out __snr_uncore_mmio_init_box date: 2 months ago :::::: branch date: 19 hours ago :::::: commit date: 2 months ago config: x86_64-randconfig-m001-20200601 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> smatch warnings: arch/x86/events/intel/uncore_snbep.c:4394 __snr_uncore_mmio_init_box() warn: should '(pci_dword & 536870911) << 23' be a 64 bit type? # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3442a9ecb8e72a33c28a2b969b766c659830e410 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git remote update linus git checkout 3442a9ecb8e72a33c28a2b969b766c659830e410 vim +4394 arch/x86/events/intel/uncore_snbep.c ee49532b38dd08 Kan Liang 2019-04-30 4382 3442a9ecb8e72a Kan Liang 2020-03-17 4383 static void __snr_uncore_mmio_init_box(struct intel_uncore_box *box, 3442a9ecb8e72a Kan Liang 2020-03-17 4384 unsigned int box_ctl, int mem_offset) ee49532b38dd08 Kan Liang 2019-04-30 4385 { ee49532b38dd08 Kan Liang 2019-04-30 4386 struct pci_dev *pdev = snr_uncore_get_mc_dev(box->dieid); ee49532b38dd08 Kan Liang 2019-04-30 4387 resource_size_t addr; ee49532b38dd08 Kan Liang 2019-04-30 4388 u32 pci_dword; ee49532b38dd08 Kan Liang 2019-04-30 4389 ee49532b38dd08 Kan Liang 2019-04-30 4390 if (!pdev) ee49532b38dd08 Kan Liang 2019-04-30 4391 return; ee49532b38dd08 Kan Liang 2019-04-30 4392 ee49532b38dd08 Kan Liang 2019-04-30 4393 pci_read_config_dword(pdev, SNR_IMC_MMIO_BASE_OFFSET, &pci_dword); ee49532b38dd08 Kan Liang 2019-04-30 @4394 addr = (pci_dword & SNR_IMC_MMIO_BASE_MASK) << 23; ee49532b38dd08 Kan Liang 2019-04-30 4395 3442a9ecb8e72a Kan Liang 2020-03-17 4396 pci_read_config_dword(pdev, mem_offset, &pci_dword); ee49532b38dd08 Kan Liang 2019-04-30 4397 addr |= (pci_dword & SNR_IMC_MMIO_MEM0_MASK) << 12; ee49532b38dd08 Kan Liang 2019-04-30 4398 ee49532b38dd08 Kan Liang 2019-04-30 4399 addr += box_ctl; ee49532b38dd08 Kan Liang 2019-04-30 4400 ee49532b38dd08 Kan Liang 2019-04-30 4401 box->io_addr = ioremap(addr, SNR_IMC_MMIO_SIZE); ee49532b38dd08 Kan Liang 2019-04-30 4402 if (!box->io_addr) ee49532b38dd08 Kan Liang 2019-04-30 4403 return; ee49532b38dd08 Kan Liang 2019-04-30 4404 ee49532b38dd08 Kan Liang 2019-04-30 4405 writel(IVBEP_PMON_BOX_CTL_INT, box->io_addr); ee49532b38dd08 Kan Liang 2019-04-30 4406 } ee49532b38dd08 Kan Liang 2019-04-30 4407 :::::: The code at line 4394 was first introduced by commit :::::: ee49532b38dd084650bf715eabe7e3828fb8d275 perf/x86/intel/uncore: Add IMC uncore support for Snow Ridge :::::: TO: Kan Liang <kan.li...@linux.intel.com> :::::: CC: Ingo Molnar <mi...@kernel.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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