From: kernel test robot <lkp@intel.com>
To: Nathan Lynch <nathanl@linux.ibm.com>
Cc: clang-built-linux@googlegroups.com, kbuild-all@lists.01.org,
linuxppc-dev@lists.ozlabs.org
Subject: [powerpc:next-test 192/220] arch/powerpc/kernel/rtas.c:938:21: error: no member named 'rtas_args_reentrant' in 'struct paca_struct'
Date: Sat, 5 Dec 2020 04:05:37 +0800 [thread overview]
Message-ID: <202012050432.SFbbjWMw-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test
head: 4e4ed87981c764498942c52004c620bb8f104eac
commit: e2f67efc6c8654d7aed885e943499f00a29eecdc [192/220] powerpc/rtas: move rtas_call_reentrant() out of pseries guards
config: powerpc-randconfig-r016-20201204 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 32c501dd88b62787d3a5ffda7aabcf4650dbe3cd)
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
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=e2f67efc6c8654d7aed885e943499f00a29eecdc
git remote add powerpc https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
git fetch --no-tags powerpc next-test
git checkout e2f67efc6c8654d7aed885e943499f00a29eecdc
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc
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/powerpc/kernel/rtas.c:938:21: error: no member named 'rtas_args_reentrant' in 'struct paca_struct'
args = local_paca->rtas_args_reentrant;
~~~~~~~~~~ ^
1 error generated.
vim +938 arch/powerpc/kernel/rtas.c
b664db8e3f976d Leonardo Bras 2020-05-18 906
b664db8e3f976d Leonardo Bras 2020-05-18 907 /**
b664db8e3f976d Leonardo Bras 2020-05-18 908 * rtas_call_reentrant() - Used for reentrant rtas calls
b664db8e3f976d Leonardo Bras 2020-05-18 909 * @token: Token for desired reentrant RTAS call
b664db8e3f976d Leonardo Bras 2020-05-18 910 * @nargs: Number of Input Parameters
b664db8e3f976d Leonardo Bras 2020-05-18 911 * @nret: Number of Output Parameters
b664db8e3f976d Leonardo Bras 2020-05-18 912 * @outputs: Array of outputs
b664db8e3f976d Leonardo Bras 2020-05-18 913 * @...: Inputs for desired RTAS call
b664db8e3f976d Leonardo Bras 2020-05-18 914 *
b664db8e3f976d Leonardo Bras 2020-05-18 915 * According to LoPAR documentation, only "ibm,int-on", "ibm,int-off",
b664db8e3f976d Leonardo Bras 2020-05-18 916 * "ibm,get-xive" and "ibm,set-xive" are currently reentrant.
b664db8e3f976d Leonardo Bras 2020-05-18 917 * Reentrant calls need their own rtas_args buffer, so not using rtas.args, but
b664db8e3f976d Leonardo Bras 2020-05-18 918 * PACA one instead.
b664db8e3f976d Leonardo Bras 2020-05-18 919 *
b664db8e3f976d Leonardo Bras 2020-05-18 920 * Return: -1 on error,
b664db8e3f976d Leonardo Bras 2020-05-18 921 * First output value of RTAS call if (nret > 0),
b664db8e3f976d Leonardo Bras 2020-05-18 922 * 0 otherwise,
b664db8e3f976d Leonardo Bras 2020-05-18 923 */
b664db8e3f976d Leonardo Bras 2020-05-18 924 int rtas_call_reentrant(int token, int nargs, int nret, int *outputs, ...)
b664db8e3f976d Leonardo Bras 2020-05-18 925 {
b664db8e3f976d Leonardo Bras 2020-05-18 926 va_list list;
b664db8e3f976d Leonardo Bras 2020-05-18 927 struct rtas_args *args;
b664db8e3f976d Leonardo Bras 2020-05-18 928 unsigned long flags;
b664db8e3f976d Leonardo Bras 2020-05-18 929 int i, ret = 0;
b664db8e3f976d Leonardo Bras 2020-05-18 930
b664db8e3f976d Leonardo Bras 2020-05-18 931 if (!rtas.entry || token == RTAS_UNKNOWN_SERVICE)
b664db8e3f976d Leonardo Bras 2020-05-18 932 return -1;
b664db8e3f976d Leonardo Bras 2020-05-18 933
b664db8e3f976d Leonardo Bras 2020-05-18 934 local_irq_save(flags);
b664db8e3f976d Leonardo Bras 2020-05-18 935 preempt_disable();
b664db8e3f976d Leonardo Bras 2020-05-18 936
b664db8e3f976d Leonardo Bras 2020-05-18 937 /* We use the per-cpu (PACA) rtas args buffer */
b664db8e3f976d Leonardo Bras 2020-05-18 @938 args = local_paca->rtas_args_reentrant;
b664db8e3f976d Leonardo Bras 2020-05-18 939
b664db8e3f976d Leonardo Bras 2020-05-18 940 va_start(list, outputs);
b664db8e3f976d Leonardo Bras 2020-05-18 941 va_rtas_call_unlocked(args, token, nargs, nret, list);
b664db8e3f976d Leonardo Bras 2020-05-18 942 va_end(list);
b664db8e3f976d Leonardo Bras 2020-05-18 943
b664db8e3f976d Leonardo Bras 2020-05-18 944 if (nret > 1 && outputs)
b664db8e3f976d Leonardo Bras 2020-05-18 945 for (i = 0; i < nret - 1; ++i)
b664db8e3f976d Leonardo Bras 2020-05-18 946 outputs[i] = be32_to_cpu(args->rets[i + 1]);
b664db8e3f976d Leonardo Bras 2020-05-18 947
b664db8e3f976d Leonardo Bras 2020-05-18 948 if (nret > 0)
b664db8e3f976d Leonardo Bras 2020-05-18 949 ret = be32_to_cpu(args->rets[0]);
b664db8e3f976d Leonardo Bras 2020-05-18 950
b664db8e3f976d Leonardo Bras 2020-05-18 951 local_irq_restore(flags);
b664db8e3f976d Leonardo Bras 2020-05-18 952 preempt_enable();
b664db8e3f976d Leonardo Bras 2020-05-18 953
b664db8e3f976d Leonardo Bras 2020-05-18 954 return ret;
b664db8e3f976d Leonardo Bras 2020-05-18 955 }
b664db8e3f976d Leonardo Bras 2020-05-18 956
:::::: The code at line 938 was first introduced by commit
:::::: b664db8e3f976d9233cc9ea5e3f8a8c0bcabeb48 powerpc/rtas: Implement reentrant rtas call
:::::: TO: Leonardo Bras <leobras.c@gmail.com>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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