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X-CSE-ConnectionGUID: 9bB6MPxoSwG+0iQopmv3QQ== X-CSE-MsgGUID: MGuhh6A+REK40NFU0Box7w== X-IronPort-AV: E=McAfee;i="6800,10657,11717"; a="83892961" X-IronPort-AV: E=Sophos;i="6.21,321,1763452800"; d="scan'208";a="83892961" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Mar 2026 00:18:53 -0800 X-CSE-ConnectionGUID: oLkZPhv8RC69+X0g9dz73w== X-CSE-MsgGUID: Y3fK5o3WR/aClZ0cc8E+bQ== X-Ironport-Invalid-End-Of-Message: True X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,321,1763452800"; d="scan'208";a="217912231" Received: from lkp-server01.sh.intel.com (HELO f27a57aa7a36) ([10.239.97.150]) by orviesa008.jf.intel.com with ESMTP; 03 Mar 2026 00:18:52 -0800 Received: from kbuild by f27a57aa7a36 with local (Exim 4.98.2) (envelope-from ) id 1vxKxt-000000001s7-0q4D; Tue, 03 Mar 2026 08:18:49 +0000 Date: Tue, 03 Mar 2026 16:18:06 +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: <202603031641.FGuPoHh0-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: af4e9ef3d78420feb8fe58cd9a1ab80c501b3c08 commit: 627cf584f4c36acb52230ffc47403cf9469ec9d0 powerpc/pseries/htmdump: Add htm status support to htmdump module date: 10 months ago config: powerpc64-randconfig-r122-20260303 (https://download.01.org/0day-ci/archive/20260303/202603031641.FGuPoHh0-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 8.5.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260303/202603031641.FGuPoHh0-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202603031641.FGuPoHh0-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