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X-CSE-ConnectionGUID: fvP2gcCWQX+2uC9PZlZfeA== X-CSE-MsgGUID: gFvcO/qfSfOeG1F+VmCauw== X-IronPort-AV: E=McAfee;i="6800,10657,11784"; a="102257678" X-IronPort-AV: E=Sophos;i="6.23,232,1770624000"; d="scan'208";a="102257678" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2026 03:24:18 -0700 X-CSE-ConnectionGUID: eG60PmDaT/iuHYT53LaZ6Q== X-CSE-MsgGUID: ZuJkDmYdRFuFFpHKRiJ3FA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,232,1770624000"; d="scan'208";a="242056396" Received: from lkp-server01.sh.intel.com (HELO dca79079c3eb) ([10.239.97.150]) by orviesa003.jf.intel.com with ESMTP; 13 May 2026 03:24:16 -0700 Received: from kbuild by dca79079c3eb with local (Exim 4.98.2) (envelope-from ) id 1wN6lB-000000003vH-36iP; Wed, 13 May 2026 10:24:13 +0000 Date: Wed, 13 May 2026 18:24:02 +0800 From: kernel test robot To: Athira Rajeev Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Madhavan Srinivasan Subject: arch/powerpc/platforms/pseries/htmdump.c:246:25: sparse: sparse: cast to restricted __be64 Message-ID: <202605131836.vkonGeka-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1d5dcaa3bd65f2e8c9baa14a393d3a2dc5db7524 commit: 627cf584f4c36acb52230ffc47403cf9469ec9d0 powerpc/pseries/htmdump: Add htm status support to htmdump module date: 1 year ago config: powerpc64-randconfig-r122-20260512 (https://download.01.org/0day-ci/archive/20260513/202605131836.vkonGeka-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260513/202605131836.vkonGeka-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 | Fixes: 627cf584f4c3 ("powerpc/pseries/htmdump: Add htm status support to htmdump module") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202605131836.vkonGeka-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/powerpc/platforms/pseries/htmdump.c:246:25: sparse: sparse: cast to restricted __be64 vim +246 arch/powerpc/platforms/pseries/htmdump.c 208 209 static ssize_t htmstatus_read(struct file *filp, char __user *ubuf, 210 size_t count, loff_t *ppos) 211 { 212 void *htm_status_buf = filp->private_data; 213 long rc, ret; 214 u64 *num_entries; 215 u64 to_copy; 216 int htmstatus_flag; 217 218 /* 219 * Invoke H_HTM call with: 220 * - operation as htm status (H_HTM_OP_STATUS) 221 * - last three values as addr, size and offset 222 */ 223 rc = htm_hcall_wrapper(nodeindex, nodalchipindex, coreindexonchip, 224 htmtype, H_HTM_OP_STATUS, virt_to_phys(htm_status_buf), 225 PAGE_SIZE, 0); 226 227 ret = htm_return_check(rc); 228 if (ret <= 0) { 229 pr_debug("H_HTM hcall failed for op: H_HTM_OP_STATUS, returning %ld\n", ret); 230 return ret; 231 } 232 233 /* 234 * HTM status buffer, start of buffer + 0x10 gives the 235 * number of HTM entries in the buffer. Each nest htm status 236 * entry is 0x6 bytes where each core htm status entry is 237 * 0x8 bytes. 238 * So total count to copy is: 239 * 32 bytes (for first 7 fields) + (number of HTM entries * entry size) 240 */ 241 num_entries = htm_status_buf + 0x10; 242 if (htmtype == 0x2) 243 htmstatus_flag = 0x8; 244 else 245 htmstatus_flag = 0x6; > 246 to_copy = 32 + (be64_to_cpu(*num_entries) * htmstatus_flag); 247 return simple_read_from_buffer(ubuf, count, ppos, htm_status_buf, to_copy); 248 } 249 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki