[tip:WIP.sched/core 138/144] arch/mips/netlogic/common/smp.c:157:31: note: in expansion of macro '__KSTK_TOS'
From: kbuild test robot
Date: Sat Feb 04 2017 - 00:29:00 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core
head: f83f0b0647162b099f62e62c203b1cfb90b40239
commit: 3ab291518ff78c8410fd336e02eb59f10d98d4e7 [138/144] sched/headers: Split <linux/sched/task_stack> out of <linux/sched.h>
config: mips-nlm_xlr_defconfig (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 3ab291518ff78c8410fd336e02eb59f10d98d4e7
# save the attached .config to linux build tree
make.cross ARCH=mips
All warnings (new ones prefixed by >>):
In file included from arch/mips/include/asm/thread_info.h:15:0,
from include/linux/thread_info.h:25,
from include/asm-generic/preempt.h:4,
from ./arch/mips/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:80,
from include/linux/smp.h:55,
from arch/mips/netlogic/common/smp.c:38:
arch/mips/netlogic/common/smp.c: In function 'nlm_boot_secondary':
arch/mips/include/asm/processor.h:384:41: error: implicit declaration of function 'task_stack_page' [-Werror=implicit-function-declaration]
#define __KSTK_TOS(tsk) ((unsigned long)task_stack_page(tsk) + \
^
>> arch/mips/netlogic/common/smp.c:157:31: note: in expansion of macro '__KSTK_TOS'
nlm_next_sp = (unsigned long)__KSTK_TOS(idle);
^~~~~~~~~~
cc1: some warnings being treated as errors
vim +/__KSTK_TOS +157 arch/mips/netlogic/common/smp.c
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 32 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 33 */
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 34
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 35 #include <linux/kernel.h>
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 36 #include <linux/delay.h>
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 37 #include <linux/init.h>
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 @38 #include <linux/smp.h>
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 39 #include <linux/irq.h>
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 40
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 41 #include <asm/mmu_context.h>
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 42
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 43 #include <asm/netlogic/interrupt.h>
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 44 #include <asm/netlogic/mips-extns.h>
0c9654072a arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-11 45 #include <asm/netlogic/haldefs.h>
0c9654072a arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-11 46 #include <asm/netlogic/common.h>
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 47
65040e224e arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 48 #if defined(CONFIG_CPU_XLP)
65040e224e arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 49 #include <asm/netlogic/xlp-hal/iomap.h>
66d29985fa arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 50 #include <asm/netlogic/xlp-hal/xlp.h>
65040e224e arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 51 #include <asm/netlogic/xlp-hal/pic.h>
65040e224e arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 52 #elif defined(CONFIG_CPU_XLR)
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 53 #include <asm/netlogic/xlr/iomap.h>
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 54 #include <asm/netlogic/xlr/pic.h>
66d29985fa arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 55 #include <asm/netlogic/xlr/xlr.h>
65040e224e arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 56 #else
65040e224e arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 57 #error "Unknown CPU"
65040e224e arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 58 #endif
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 59
0c9654072a arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-11 60 void nlm_send_ipi_single(int logical_cpu, unsigned int action)
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 61 {
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 62 unsigned int hwtid;
77ae798f5b arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 63 uint64_t picbase;
77ae798f5b arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 64
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 65 /* node id is part of hwtid, and needed for send_ipi */
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 66 hwtid = cpu_logical_map(logical_cpu);
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 67 picbase = nlm_get_node(nlm_hwtid_to_node(hwtid))->picbase;
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 68
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 69 if (action & SMP_CALL_FUNCTION)
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 70 nlm_pic_send_ipi(picbase, hwtid, IRQ_IPI_SMP_FUNCTION, 0);
0c9654072a arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-11 71 if (action & SMP_RESCHEDULE_YOURSELF)
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 72 nlm_pic_send_ipi(picbase, hwtid, IRQ_IPI_SMP_RESCHEDULE, 0);
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 73 }
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 74
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 75 void nlm_send_ipi_mask(const struct cpumask *mask, unsigned int action)
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 76 {
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 77 int cpu;
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 78
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 79 for_each_cpu(cpu, mask) {
0c9654072a arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-11 80 nlm_send_ipi_single(cpu, action);
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 81 }
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 82 }
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 83
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 84 /* IRQ_IPI_SMP_FUNCTION Handler */
bd0b9ac405 arch/mips/netlogic/common/smp.c Thomas Gleixner 2015-09-14 85 void nlm_smp_function_ipi_handler(struct irq_desc *desc)
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 86 {
31429d1a74 arch/mips/netlogic/common/smp.c Thomas Gleixner 2015-07-13 87 unsigned int irq = irq_desc_get_irq(desc);
220d9122e8 arch/mips/netlogic/common/smp.c Jayachandran C 2013-01-14 88 clear_c0_eimr(irq);
220d9122e8 arch/mips/netlogic/common/smp.c Jayachandran C 2013-01-14 89 ack_c0_eirr(irq);
4ace6139bf arch/mips/netlogic/common/smp.c Alex Smith 2015-07-24 90 generic_smp_call_function_interrupt();
220d9122e8 arch/mips/netlogic/common/smp.c Jayachandran C 2013-01-14 91 set_c0_eimr(irq);
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 92 }
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 93
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 94 /* IRQ_IPI_SMP_RESCHEDULE handler */
bd0b9ac405 arch/mips/netlogic/common/smp.c Thomas Gleixner 2015-09-14 95 void nlm_smp_resched_ipi_handler(struct irq_desc *desc)
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 96 {
31429d1a74 arch/mips/netlogic/common/smp.c Thomas Gleixner 2015-07-13 97 unsigned int irq = irq_desc_get_irq(desc);
220d9122e8 arch/mips/netlogic/common/smp.c Jayachandran C 2013-01-14 98 clear_c0_eimr(irq);
220d9122e8 arch/mips/netlogic/common/smp.c Jayachandran C 2013-01-14 99 ack_c0_eirr(irq);
65040e224e arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 100 scheduler_ipi();
220d9122e8 arch/mips/netlogic/common/smp.c Jayachandran C 2013-01-14 101 set_c0_eimr(irq);
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 102 }
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 103
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 104 /*
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 105 * Called before going into mips code, early cpu init
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 106 */
0c9654072a arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-11 107 void nlm_early_init_secondary(int cpu)
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 108 {
65040e224e arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 109 change_c0_config(CONF_CM_CMASK, 0x3);
65040e224e arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-16 110 #ifdef CONFIG_CPU_XLP
0c9654072a arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-11 111 xlp_mmu_init();
0c9654072a arch/mips/netlogic/common/smp.c Jayachandran C 2011-11-11 112 #endif
77ae798f5b arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 113 write_c0_ebase(nlm_current_node()->ebase);
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 114 }
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 115
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 116 /*
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 117 * Code to run on secondary just after probing the CPU
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 118 */
078a55fc82 arch/mips/netlogic/common/smp.c Paul Gortmaker 2013-06-18 119 static void nlm_init_secondary(void)
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 120 {
38541742da arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 121 int hwtid;
38541742da arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 122
38541742da arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 123 hwtid = hard_smp_processor_id();
38541742da arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 124 current_cpu_data.core = hwtid / NLM_THREADS_PER_CORE;
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 125 current_cpu_data.package = nlm_nodeid();
ed21cfe207 arch/mips/netlogic/common/smp.c Ganesan Ramalingam 2012-10-31 126 nlm_percpu_init(hwtid);
38541742da arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 127 nlm_smp_irq_init(hwtid);
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 128 }
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 129
b3ea581834 arch/mips/netlogic/common/smp.c Hillf Danton 2011-11-16 130 void nlm_prepare_cpus(unsigned int max_cpus)
b3ea581834 arch/mips/netlogic/common/smp.c Hillf Danton 2011-11-16 131 {
b3ea581834 arch/mips/netlogic/common/smp.c Hillf Danton 2011-11-16 132 /* declare we are SMT capable */
b3ea581834 arch/mips/netlogic/common/smp.c Hillf Danton 2011-11-16 133 smp_num_siblings = nlm_threads_per_core;
b3ea581834 arch/mips/netlogic/common/smp.c Hillf Danton 2011-11-16 134 }
b3ea581834 arch/mips/netlogic/common/smp.c Hillf Danton 2011-11-16 135
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 136 void nlm_smp_finish(void)
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 137 {
39263eeb44 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-06-07 138 local_irq_enable();
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 139 }
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 140
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 141 /*
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 142 * Boot all other cpus in the system, initialize them, and bring them into
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 143 * the boot function
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 144 */
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 145 unsigned long nlm_next_gp;
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 146 unsigned long nlm_next_sp;
62b734d289 arch/mips/netlogic/common/smp.c Jayachandran C 2013-03-23 147 static cpumask_t phys_cpu_present_mask;
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 148
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 149 void nlm_boot_secondary(int logical_cpu, struct task_struct *idle)
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 150 {
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 151 uint64_t picbase;
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 152 int hwtid;
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 153
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 154 hwtid = cpu_logical_map(logical_cpu);
c273652546 arch/mips/netlogic/common/smp.c Jayachandran C 2015-01-07 155 picbase = nlm_get_node(nlm_hwtid_to_node(hwtid))->picbase;
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 156
77ae798f5b arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 @157 nlm_next_sp = (unsigned long)__KSTK_TOS(idle);
77ae798f5b arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 158 nlm_next_gp = (unsigned long)task_thread_info(idle);
5c64250674 arch/mips/netlogic/xlr/smp.c Jayachandran C 2011-05-07 159
77ae798f5b arch/mips/netlogic/common/smp.c Jayachandran C 2012-10-31 160 /* barrier for sp/gp store above */
:::::: The code at line 157 was first introduced by commit
:::::: 77ae798f5b736dfdc692b86b393d9699052ac77a MIPS: Netlogic: Support for multi-chip configuration
:::::: TO: Jayachandran C <jchandra@xxxxxxxxxxxx>
:::::: CC: John Crispin <blogic@xxxxxxxxxxx>
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