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Bruce Fields" , Tejun Heo , Christoph Lameter , , , Ingo Molnar , Peter Zijlstra , Andi Kleen , Dave Chinner , Boqun Feng , Scott J Norton , Douglas Hatch Subject: Re: [PATCH v5 5/5] lib/dlock-list: Make sibling CPUs share the same linked list References: <201608100243.zu4sjVF8%fengguang.wu@intel.com> In-Reply-To: <201608100243.zu4sjVF8%fengguang.wu@intel.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [72.71.243.211] X-ClientProxiedBy: CY1PR08CA0032.namprd08.prod.outlook.com (10.163.94.170) To DF4PR84MB0314.NAMPRD84.PROD.OUTLOOK.COM (10.162.193.28) X-MS-Office365-Filtering-Correlation-Id: 15bb4984-cd63-46cc-c505-08d3c08de711 X-Microsoft-Exchange-Diagnostics: 1;DF4PR84MB0314;2:++1Xb4NK25nHXGLP+/twZI3XRtNVQcZvEUJjJ0ZGSOUPpPxRhK+we/lXm/zECBmRroQZZgcE599f+o7qoyyys18UX2fKNn6lh9jNZsSSkf3SdSVKt2wffV+xyMkp5ka/M+3nEsu+k88Qd3e/b579C/PiWyCEQei5Nya5GoxURrtd/Rko+0F1jqwGLNPPVfTJ;3:o5wOwnB1W7GvG5Qd/ThRRqMnQKCCYkiQXzq+FpjUJ2ScepP+5JirHyBGyADK7tK7UOq/n/lJsDH8tma2TrDlGCcz7Z92JWJRzbBDU8LcWGkJ7PFUksbRIHTGi5eIWnef;25:flRZVv9mTA14wBNum3ByQukRYdO/hFOhsAWBwaySBfeXpLigOFnyox1LTtn1wydudEjl/mHDtbNj/v3Nb3So6GASgQQNRRAZKas2ZgrVS5suKP5/SHkxu91z9fxW674WRZvvKDCZTmP4IhtokUtPExvn03zxH9q0pP6wbRAH+XMzWw8QDr5I1u7x3XHGSBKHZprLre6A1XehMOPBQ4m03IJcXUouApKm6uGezQL0HmbdOuA1dULJK5LUFkayK4j+J1vzsenoQ0Od1CC8PearBdwX/msPZ8NGV95HBaZczAmOtYlQKRfYlO1+kaSJZLJhRauJJej0k8yKAvcaxPi6cbXeJ+Ci6gvf5kpHNlaWCiwT68Hxb5r6XvhgculMBmZPQiWq++kZZrentNj4ylAC3nKyrQ3Dklxnj2tt0t19kbI= X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:DF4PR84MB0314; 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> ^ >>> 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