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89b41b6ae01c with local (Exim 4.92) (envelope-from ) id 1nRzWu-0003ZV-G9; Wed, 09 Mar 2022 16:51:16 +0000 Date: Thu, 10 Mar 2022 00:50:48 +0800 From: kernel test robot To: "Russell King (Oracle)" Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Catalin Marinas Subject: arch/arm/kernel/entry-common.S:166: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' Message-ID: <202203100022.bfK7WDH2-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 330f4c53d3c2d8b11d86ec03a964b86dc81452f5 commit: b9baf5c8c5c356757f4f9d8180b5e9d234065bc3 ARM: Spectre-BHB workaround date: 4 days ago config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20220310/202203100022.bfK7WDH2-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b9baf5c8c5c356757f4f9d8180b5e9d234065bc3 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b9baf5c8c5c356757f4f9d8180b5e9d234065bc3 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): arch/arm/kernel/entry-common.S: Assembler messages: >> arch/arm/kernel/entry-common.S:166: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/kernel/entry-common.S:175: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' -- arch/arm/kernel/entry-armv.S: Assembler messages: >> arch/arm/kernel/entry-armv.S:1090: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/kernel/entry-armv.S:1113: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/kernel/entry-armv.S:1136: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/kernel/entry-armv.S:1159: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/kernel/entry-armv.S:1198: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' -- arch/arm/kernel/hyp-stub.S: Assembler messages: >> arch/arm/kernel/hyp-stub.S:173: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' -- arch/arm/mm/cache-v7.S: Assembler messages: >> arch/arm/mm/cache-v7.S:42: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/mm/cache-v7.S:69: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/mm/cache-v7.S:142: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/mm/cache-v7.S:179: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/mm/cache-v7.S:312: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' -- arch/arm/mm/tlb-v7.S: Assembler messages: >> arch/arm/mm/tlb-v7.S:85: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' -- arch/arm/mm/proc-v7-2level.S: Assembler messages: >> arch/arm/mm/proc-v7-2level.S:55: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/mm/proc-v7-2level.S:57: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' >> arch/arm/mm/proc-v7.S:59: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/mm/proc-v7.S:183: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' -- arch/arm/common/secure_cntvoff.S: Assembler messages: >> arch/arm/common/secure_cntvoff.S:24: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/common/secure_cntvoff.S:27: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/common/secure_cntvoff.S:29: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' -- arch/arm/mach-imx/suspend-imx6.S: Assembler messages: >> arch/arm/mach-imx/suspend-imx6.S:315: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' -- arch/arm/mach-omap2/sleep34xx.S: Assembler messages: >> arch/arm/mach-omap2/sleep34xx.S:174: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/mach-omap2/sleep34xx.S:308: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' -- arch/arm/mach-omap2/sleep33xx.S: Assembler messages: >> arch/arm/mach-omap2/sleep33xx.S:58: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/mach-omap2/sleep33xx.S:125: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/mach-omap2/sleep33xx.S:192: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' -- arch/arm/mach-omap2/sleep43xx.S: Assembler messages: >> arch/arm/mach-omap2/sleep43xx.S:98: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' arch/arm/mach-omap2/sleep43xx.S:320: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4' .. vim +166 arch/arm/kernel/entry-common.S 150 151 /*============================================================================= 152 * SWI handler 153 *----------------------------------------------------------------------------- 154 */ 155 156 .align 5 157 #ifdef CONFIG_HARDEN_BRANCH_HISTORY 158 ENTRY(vector_bhb_loop8_swi) 159 sub sp, sp, #PT_REGS_SIZE 160 stmia sp, {r0 - r12} 161 mov r8, #8 162 1: b 2f 163 2: subs r8, r8, #1 164 bne 1b 165 dsb > 166 isb 167 b 3f 168 ENDPROC(vector_bhb_loop8_swi) 169 170 .align 5 171 ENTRY(vector_bhb_bpiall_swi) 172 sub sp, sp, #PT_REGS_SIZE 173 stmia sp, {r0 - r12} 174 mcr p15, 0, r8, c7, c5, 6 @ BPIALL 175 isb 176 b 3f 177 ENDPROC(vector_bhb_bpiall_swi) 178 #endif 179 .align 5 180 ENTRY(vector_swi) 181 #ifdef CONFIG_CPU_V7M 182 v7m_exception_entry 183 #else 184 sub sp, sp, #PT_REGS_SIZE 185 stmia sp, {r0 - r12} @ Calling r0 - r12 186 3: 187 ARM( add r8, sp, #S_PC ) 188 ARM( stmdb r8, {sp, lr}^ ) @ Calling sp, lr 189 THUMB( mov r8, sp ) 190 THUMB( store_user_sp_lr r8, r10, S_SP ) @ calling sp, lr 191 mrs saved_psr, spsr @ called from non-FIQ mode, so ok. 192 TRACE( mov saved_pc, lr ) 193 str saved_pc, [sp, #S_PC] @ Save calling PC 194 str saved_psr, [sp, #S_PSR] @ Save CPSR 195 str r0, [sp, #S_OLD_R0] @ Save OLD_R0 196 #endif 197 reload_current r10, ip 198 zero_fp 199 alignment_trap r10, ip, __cr_alignment 200 asm_trace_hardirqs_on save=0 201 enable_irq_notrace 202 ct_user_exit save=0 203 204 /* 205 * Get the system call number. 206 */ 207 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org