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References: <202105132239.YLq2DvEA-lkp@intel.com>
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From:   Vincent Chen <vincent.chen@sifive.com>
Date:   Fri, 14 May 2021 18:23:30 +0800
Message-ID: <CABvJ_xhxog_MoNZFWnog+_vSBOXAX8+_KbnfyCrue5TGzDS20w@mail.gmail.com>
Subject: Re: arch/riscv/errata/sifive/errata_cip_453.S:25: Error: Improper
 shift amount (38)
To:     kernel test robot <lkp@intel.com>
Cc:     kbuild-all@lists.01.org,
        "linux-kernel@vger.kernel.org List" <linux-kernel@vger.kernel.org>,
        Palmer Dabbelt <palmerdabbelt@google.com>
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Hi all,
The resolved patch "0e0d49925" lacks a change, so this error still happens.
I apologize for any inconvenience caused by this stupid mistake.

Vincent Chen

On Thu, May 13, 2021 at 10:38 PM kernel test robot <lkp@intel.com> wrote:
>
> Hi Vincent,
>
> FYI, the error/warning still remains.
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   c06a2ba62fc401b7aaefd23f5d0bc06d2457ccc1
> commit: 800149a77c2cb8746a94457939b1ba1e37d2c14e riscv: sifive: Apply errata "cip-453" patch
> date:   2 weeks ago
> config: riscv-randconfig-r023-20210513 (attached as .config)
> compiler: riscv32-linux-gcc (GCC) 9.3.0
> 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=800149a77c2cb8746a94457939b1ba1e37d2c14e
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout 800149a77c2cb8746a94457939b1ba1e37d2c14e
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=riscv
>
> 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/riscv/errata/sifive/errata_cip_453.S: Assembler messages:
> >> arch/riscv/errata/sifive/errata_cip_453.S:25: Error: Improper shift amount (38)
>    arch/riscv/errata/sifive/errata_cip_453.S:25: Error: Improper shift amount (39)
>    arch/riscv/errata/sifive/errata_cip_453.S:35: Error: Improper shift amount (38)
>    arch/riscv/errata/sifive/errata_cip_453.S:35: Error: Improper shift amount (39)
>
>
> vim +25 arch/riscv/errata/sifive/errata_cip_453.S
>
>     23
>     24  ENTRY(sifive_cip_453_page_fault_trp)
>   > 25          ADD_SIGN_EXT a0, t0, t1
>     26  #ifdef CONFIG_MMU
>     27          la t0, do_page_fault
>     28  #else
>     29          la t0, do_trap_unknown
>     30  #endif
>     31          jr t0
>     32  END(sifive_cip_453_page_fault_trp)
>     33
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org