Messages in this thread | | | Date | Wed, 27 Oct 2021 22:04:31 +0800 | From | kernel test robot <> | Subject | [intel-tdx:guest 62/136] arch/x86/kernel/tdx.c:225:5: error: no previous prototype for 'tdx_hcall_set_notify_intr' |
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tree: https://github.com/intel/tdx.git guest head: 12f4800ff5dbe89a642744796008f89f23b2e446 commit: 2c0498d3a27b537d428cc081fe9578605111569e [62/136] x86/tdx: Add SetupEventNotifyInterrupt TDX hypercall support config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/intel/tdx/commit/2c0498d3a27b537d428cc081fe9578605111569e git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx guest git checkout 2c0498d3a27b537d428cc081fe9578605111569e # save the attached .config to linux build tree make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> arch/x86/kernel/tdx.c:225:5: error: no previous prototype for 'tdx_hcall_set_notify_intr' [-Werror=missing-prototypes] 225 | int tdx_hcall_set_notify_intr(u8 vector) | ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors
vim +/tdx_hcall_set_notify_intr +225 arch/x86/kernel/tdx.c
217 218 /* 219 * tdx_hcall_set_notify_intr() - Setup Event Notify Interrupt Vector. 220 * 221 * @vector : Vector address to be used for notification. 222 * 223 * return 0 on success or failure error number. 224 */ > 225 int tdx_hcall_set_notify_intr(u8 vector) 226 { 227 u64 ret; 228 229 /* Minimum vector value allowed is 32 */ 230 if (vector < 32) 231 return -EINVAL; 232 233 /* 234 * Register callback vector address with VMM. More details 235 * about the ABI can be found in TDX Guest-Host-Communication 236 * Interface (GHCI), sec 3.5. 237 */ 238 ret = _trace_tdx_hypercall(TDVMCALL_SETUP_NOTIFY_INTR, vector, 0, 0, 0, 239 NULL); 240 241 if (ret == TDVMCALL_SUCCESS) 242 return 0; 243 else if (ret == TDCALL_INVALID_OPERAND) 244 return -EINVAL; 245 246 return -EIO; 247 } 248
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