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Darwish" , Borislav Petkov , Ingo Molnar , Dave Hansen Cc: oe-kbuild-all@lists.linux.dev, Thomas Gleixner , Andrew Cooper , John Ogness , x86@kernel.org, x86-cpuid@lists.linux.dev, LKML , "Ahmed S. Darwish" Subject: Re: [PATCH v2 6/6] x86/cpu: : Do not include CPUID API header Message-ID: <202507150403.hKKg9xjJ-lkp@intel.com> References: <20250709203033.90125-7-darwi@linutronix.de> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250709203033.90125-7-darwi@linutronix.de> Hi Ahmed, kernel test robot noticed the following build errors: [auto build test ERROR on d7b8f8e20813f0179d8ef519541a3527e7661d3a] url: https://github.com/intel-lab-lkp/linux/commits/Ahmed-S-Darwish/x86-cpuid-Remove-transitional-asm-cpuid-h-header/20250710-043320 base: d7b8f8e20813f0179d8ef519541a3527e7661d3a patch link: https://lore.kernel.org/r/20250709203033.90125-7-darwi%40linutronix.de patch subject: [PATCH v2 6/6] x86/cpu: : Do not include CPUID API header config: i386-randconfig-005-20250714 (https://download.01.org/0day-ci/archive/20250715/202507150403.hKKg9xjJ-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250715/202507150403.hKKg9xjJ-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/202507150403.hKKg9xjJ-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/char/agp/efficeon-agp.c: In function 'efficeon_create_gatt_table': >> drivers/char/agp/efficeon-agp.c:197:37: error: implicit declaration of function 'cpuid_ebx' [-Werror=implicit-function-declaration] 197 | const int clflush_chunk = ((cpuid_ebx(1) >> 8) & 0xff) << 3; | ^~~~~~~~~ cc1: some warnings being treated as errors vim +/cpuid_ebx +197 drivers/char/agp/efficeon-agp.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 177 ^1da177e4c3f41 Linus Torvalds 2005-04-16 178 ^1da177e4c3f41 Linus Torvalds 2005-04-16 179 /* d6e05edc59ecd7 Andreas Mohr 2006-06-26 180 * Since we don't need contiguous memory we just try ^1da177e4c3f41 Linus Torvalds 2005-04-16 181 * to get the gatt table once ^1da177e4c3f41 Linus Torvalds 2005-04-16 182 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 183 ^1da177e4c3f41 Linus Torvalds 2005-04-16 184 #define GET_PAGE_DIR_OFF(addr) (addr >> 22) ^1da177e4c3f41 Linus Torvalds 2005-04-16 185 #define GET_PAGE_DIR_IDX(addr) (GET_PAGE_DIR_OFF(addr) - \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 186 GET_PAGE_DIR_OFF(agp_bridge->gart_bus_addr)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 187 #define GET_GATT_OFF(addr) ((addr & 0x003ff000) >> 12) ^1da177e4c3f41 Linus Torvalds 2005-04-16 188 #undef GET_GATT ^1da177e4c3f41 Linus Torvalds 2005-04-16 189 #define GET_GATT(addr) (efficeon_private.gatt_pages[\ ^1da177e4c3f41 Linus Torvalds 2005-04-16 190 GET_PAGE_DIR_IDX(addr)]->remapped) ^1da177e4c3f41 Linus Torvalds 2005-04-16 191 ^1da177e4c3f41 Linus Torvalds 2005-04-16 192 static int efficeon_create_gatt_table(struct agp_bridge_data *bridge) ^1da177e4c3f41 Linus Torvalds 2005-04-16 193 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 194 int index; ^1da177e4c3f41 Linus Torvalds 2005-04-16 195 const int pati = EFFICEON_PATI; ^1da177e4c3f41 Linus Torvalds 2005-04-16 196 const int present = EFFICEON_PRESENT; ^1da177e4c3f41 Linus Torvalds 2005-04-16 @197 const int clflush_chunk = ((cpuid_ebx(1) >> 8) & 0xff) << 3; ^1da177e4c3f41 Linus Torvalds 2005-04-16 198 int num_entries, l1_pages; ^1da177e4c3f41 Linus Torvalds 2005-04-16 199 ^1da177e4c3f41 Linus Torvalds 2005-04-16 200 num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries; ^1da177e4c3f41 Linus Torvalds 2005-04-16 201 ^1da177e4c3f41 Linus Torvalds 2005-04-16 202 printk(KERN_DEBUG PFX "efficeon_create_gatt_table(%d)\n", num_entries); ^1da177e4c3f41 Linus Torvalds 2005-04-16 203 ^1da177e4c3f41 Linus Torvalds 2005-04-16 204 /* There are 2^10 PTE pages per PDE page */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 205 BUG_ON(num_entries & 0x3ff); ^1da177e4c3f41 Linus Torvalds 2005-04-16 206 l1_pages = num_entries >> 10; ^1da177e4c3f41 Linus Torvalds 2005-04-16 207 ^1da177e4c3f41 Linus Torvalds 2005-04-16 208 for (index = 0 ; index < l1_pages ; index++) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 209 int offset; ^1da177e4c3f41 Linus Torvalds 2005-04-16 210 unsigned long page; ^1da177e4c3f41 Linus Torvalds 2005-04-16 211 unsigned long value; ^1da177e4c3f41 Linus Torvalds 2005-04-16 212 ^1da177e4c3f41 Linus Torvalds 2005-04-16 213 page = efficeon_private.l1_table[index]; ^1da177e4c3f41 Linus Torvalds 2005-04-16 214 BUG_ON(page); ^1da177e4c3f41 Linus Torvalds 2005-04-16 215 ^1da177e4c3f41 Linus Torvalds 2005-04-16 216 page = get_zeroed_page(GFP_KERNEL); ^1da177e4c3f41 Linus Torvalds 2005-04-16 217 if (!page) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 218 efficeon_free_gatt_table(agp_bridge); ^1da177e4c3f41 Linus Torvalds 2005-04-16 219 return -ENOMEM; ^1da177e4c3f41 Linus Torvalds 2005-04-16 220 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 221 ^1da177e4c3f41 Linus Torvalds 2005-04-16 222 for (offset = 0; offset < PAGE_SIZE; offset += clflush_chunk) 6619a8fb594486 H. Peter Anvin 2007-10-17 223 clflush((char *)page+offset); ^1da177e4c3f41 Linus Torvalds 2005-04-16 224 ^1da177e4c3f41 Linus Torvalds 2005-04-16 225 efficeon_private.l1_table[index] = page; ^1da177e4c3f41 Linus Torvalds 2005-04-16 226 6a12235c7d2d75 David Woodhouse 2009-07-29 227 value = virt_to_phys((unsigned long *)page) | pati | present | index; ^1da177e4c3f41 Linus Torvalds 2005-04-16 228 ^1da177e4c3f41 Linus Torvalds 2005-04-16 229 pci_write_config_dword(agp_bridge->dev, ^1da177e4c3f41 Linus Torvalds 2005-04-16 230 EFFICEON_ATTPAGE, value); ^1da177e4c3f41 Linus Torvalds 2005-04-16 231 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 232 ^1da177e4c3f41 Linus Torvalds 2005-04-16 233 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 234 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 235 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki