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Tue, 05 Sep 2023 17:57:49 -0700 (PDT) Received: from localhost ([135.180.227.0]) by smtp.gmail.com with ESMTPSA id v6-20020a170902b7c600b001c0a4146961sm9899762plz.19.2023.09.05.17.57.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Sep 2023 17:57:49 -0700 (PDT) Date: Tue, 05 Sep 2023 17:57:49 -0700 (PDT) X-Google-Original-Date: Tue, 05 Sep 2023 17:57:36 PDT (-0700) Subject: Re: [linux-next:master 13230/13643] arch/riscv/errata/andes/errata.c:46:14: warning: result of comparison of constant 9223372036854811205 with expression of type 'unsigned long' is always true In-Reply-To: CC: lkp@intel.com, prabhakar.mahadev-lad.rj@bp.renesas.com, llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-mm@kvack.org, Conor Dooley From: Palmer Dabbelt To: prabhakar.csengg@gmail.com, Geert Uytterhoeven Message-ID: Mime-Version: 1.0 (MHng) Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: AD6FF140006 X-Rspam-User: X-Stat-Signature: 5ybs74m83ut79uia7hd8w1yp1uga4p7d X-Rspamd-Server: rspam03 X-HE-Tag: 1693961870-838629 X-HE-Meta: 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 9mmHtmwB 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, 05 Sep 2023 03:20:17 PDT (-0700), prabhakar.csengg@gmail.com wrote: > On Fri, Sep 1, 2023 at 10:58 PM kernel test robot wrote: >> >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master >> head: a47fc304d2b678db1a5d760a7d644dac9b067752 >> commit: f2863f30d1b05e5ecf61c063609cb974954d47f8 [13230/13643] riscv: errata: Add Andes alternative ports >> config: riscv-randconfig-r015-20230902 (https://download.01.org/0day-ci/archive/20230902/202309020548.rbrIJu6S-lkp@intel.com/config) >> compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) >> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230902/202309020548.rbrIJu6S-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/202309020548.rbrIJu6S-lkp@intel.com/ >> >> All warnings (new ones prefixed by >>): >> >> arch/riscv/errata/andes/errata.c:29:16: error: variable has incomplete type 'struct sbiret' >> 29 | struct sbiret ret; >> | ^ >> arch/riscv/errata/andes/errata.c:29:9: note: forward declaration of 'struct sbiret' >> 29 | struct sbiret ret; >> | ^ >> arch/riscv/errata/andes/errata.c:35:8: error: call to undeclared function 'sbi_ecall'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] >> 35 | ret = sbi_ecall(ANDESTECH_SBI_EXT_ANDES, ANDES_SBI_EXT_IOCP_SW_WORKAROUND, >> | ^ >> >> arch/riscv/errata/andes/errata.c:46:14: warning: result of comparison of constant 9223372036854811205 with expression of type 'unsigned long' is always true [-Wtautological-constant-out-of-range-compare] >> 46 | if (arch_id != ANDESTECH_AX45MP_MARCHID || impid != ANDESTECH_AX45MP_MIMPID) >> | ~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~ >> 1 warning and 2 errors generated. >> > After applying the below four patches we shouldn't be seeing this > randconfig warnings: > > https://patchwork.kernel.org/project/linux-riscv/patch/20230901105111.311200-1-prabhakar.mahadev-lad.rj@bp.renesas.com/ > https://patchwork.kernel.org/project/linux-riscv/patch/20230901105858.311745-1-prabhakar.mahadev-lad.rj@bp.renesas.com/ > https://patchwork.kernel.org/project/linux-riscv/patch/20230901110320.312674-1-prabhakar.mahadev-lad.rj@bp.renesas.com/ > https://patchwork.kernel.org/project/linux-riscv/patch/20230901110936.313171-1-prabhakar.mahadev-lad.rj@bp.renesas.com/ Thanks, these are in the testing queue. I'll pick them up for the merge window unless something goes off the rails. +Geert, who acked the SOC one. > > Cheers, > Prabhakar > >> >> vim +46 arch/riscv/errata/andes/errata.c >> >> 40 >> 41 static bool errata_probe_iocp(unsigned int stage, unsigned long arch_id, unsigned long impid) >> 42 { >> 43 if (!IS_ENABLED(CONFIG_ERRATA_ANDES_CMO)) >> 44 return false; >> 45 >> > 46 if (arch_id != ANDESTECH_AX45MP_MARCHID || impid != ANDESTECH_AX45MP_MIMPID) >> 47 return false; >> 48 >> 49 if (!ax45mp_iocp_sw_workaround()) >> 50 return false; >> 51 >> 52 /* Set this just to make core cbo code happy */ >> 53 riscv_cbom_block_size = 1; >> 54 riscv_noncoherent_supported(); >> 55 >> 56 return true; >> 57 } >> 58 >> >> -- >> 0-DAY CI Kernel Test Service >> https://github.com/intel/lkp-tests/wiki >>