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    SubjectRe: [PATCH v5 5/5] lib/dlock-list: Make sibling CPUs share the same linked list
    On 08/09/2016 02:23 PM, kbuild test robot wrote:
    > Hi Waiman,
    >
    > [auto build test ERROR on linus/master]
    > [also build test ERROR on v4.8-rc1 next-20160809]
    > [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/Waiman-Long/vfs-Use-dlock-list-for-SB-s-s_inodes-list/20160810-012457
    > config: i386-randconfig-s0-201632 (attached as .config)
    > compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
    > reproduce:
    > # save the attached .config to linux build tree
    > make ARCH=i386
    >
    > All error/warnings (new ones prefixed by>>):
    >
    > lib/dlock-list.c: In function 'cpu2list_init':
    >>> lib/dlock-list.c:60:15: error: assignment to expression with array type
    > sibling_mask = topology_sibling_cpumask(0);
    > ^
    >>> lib/dlock-list.c:61:6: warning: the address of 'sibling_mask' will always evaluate as 'true' [-Waddress]
    > if (!sibling_mask)
    > ^
    > lib/dlock-list.c:74:16: error: assignment to expression with array type
    > sibling_mask = topology_sibling_cpumask(cpu);
    > ^
    >
    > vim +60 lib/dlock-list.c
    >
    > 54 cpumask_var_t sibling_mask;
    > 55 static struct cpumask mask __initdata;
    > 56
    > 57 /*
    > 58 * Check # of sibling CPUs for CPU 0
    > 59 */
    > > 60 sibling_mask = topology_sibling_cpumask(0);
    > > 61 if (!sibling_mask)
    > 62 goto done;
    > 63 nr_siblings = cpumask_weight(sibling_mask);
    > 64 if (nr_siblings == 1)
    >
    > ---
    > 0-DAY kernel test infrastructure Open Source Technology Center
    > https://lists.01.org/pipermail/kbuild-all Intel Corporation

    I have updated and re-sent patch 5 that should fix the non-SMP build error.

    Cheers,
    Longman

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