linux-kernel - Re: [PATCH] powerpc/32: Add VDSO version of getcpu

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Message-ID: <201908180928.CvTXdlt1%lkp@intel.com>
Date:   Sun, 18 Aug 2019 10:03:36 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Christophe Leroy <christophe.leroy@....fr>
Cc:     kbuild-all@...org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/32: Add VDSO version of getcpu

Hi Christophe,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc4 next-20190816]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Christophe-Leroy/powerpc-32-Add-VDSO-version-of-getcpu/20190818-075346
config: powerpc-allnoconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> arch/powerpc/kernel/vdso32/getcpu.S:22:28: error: operator '*' has no right operand
    #elif defined (CONFIG_SMP)*/
                               ^

vim +22 arch/powerpc/kernel/vdso32/getcpu.S

    10	
    11		.text
    12	/*
    13	 * Exact prototype of getcpu
    14	 *
    15	 * int __kernel_getcpu(unsigned *cpu, unsigned *node);
    16	 *
    17	 */
    18	V_FUNCTION_BEGIN(__kernel_getcpu)
    19	  .cfi_startproc
    20	#if defined(CONFIG_PPC64)
    21		mfspr	r5,SPRN_SPRG_VDSO_READ
  > 22	#elif defined (CONFIG_SMP)*/

---
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