tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core head: 38c7fc1c938c469af27c032bf4eab0c4aaf4eba1 commit: d8c081caed34b16d17d639fa49889d2b7b22c9b0 [118/162] sched/headers: Remove from config: mips-ip27_defconfig (attached as .config) compiler: mips64-linux-gnuabi64-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 d8c081caed34b16d17d639fa49889d2b7b22c9b0 # 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:59, from include/linux/spinlock.h:50, from include/linux/seqlock.h:35, from include/linux/time.h:5, from include/uapi/linux/timex.h:56, from include/linux/timex.h:56, from include/linux/sched.h:13, from arch/mips/sgi-ip27/ip27-smp.c:10: arch/mips/sgi-ip27/ip27-smp.c: In function 'ip27_boot_secondary': arch/mips/include/asm/processor.h:385:31: error: invalid application of 'sizeof' to incomplete type 'struct pt_regs' THREAD_SIZE - 32 - sizeof(struct pt_regs)) ^ >> arch/mips/sgi-ip27/ip27-smp.c:197:21: note: in expansion of macro '__KSTK_TOS' unsigned long sp = __KSTK_TOS(idle); ^~~~~~~~~~ vim +/__KSTK_TOS +197 arch/mips/sgi-ip27/ip27-smp.c ^1da177e Linus Torvalds 2005-04-16 4 * archive for more details. ^1da177e Linus Torvalds 2005-04-16 5 * ^1da177e Linus Torvalds 2005-04-16 6 * Copyright (C) 2000 - 2001 by Kanoj Sarcar (kanoj@sgi.com) ^1da177e Linus Torvalds 2005-04-16 7 * Copyright (C) 2000 - 2001 by Silicon Graphics, Inc. ^1da177e Linus Torvalds 2005-04-16 8 */ ^1da177e Linus Torvalds 2005-04-16 9 #include ^1da177e Linus Torvalds 2005-04-16 @10 #include ^1da177e Linus Torvalds 2005-04-16 11 #include ^1da177e Linus Torvalds 2005-04-16 12 #include ^1da177e Linus Torvalds 2005-04-16 13 #include ^1da177e Linus Torvalds 2005-04-16 14 #include ^1da177e Linus Torvalds 2005-04-16 15 #include ^1da177e Linus Torvalds 2005-04-16 16 #include ^1da177e Linus Torvalds 2005-04-16 17 #include ^1da177e Linus Torvalds 2005-04-16 18 #include ^1da177e Linus Torvalds 2005-04-16 19 #include ^1da177e Linus Torvalds 2005-04-16 20 #include ^1da177e Linus Torvalds 2005-04-16 21 #include ^1da177e Linus Torvalds 2005-04-16 22 #include ^1da177e Linus Torvalds 2005-04-16 23 #include ^1da177e Linus Torvalds 2005-04-16 24 #include ^1da177e Linus Torvalds 2005-04-16 25 ^1da177e Linus Torvalds 2005-04-16 26 /* ^1da177e Linus Torvalds 2005-04-16 27 * Takes as first input the PROM assigned cpu id, and the kernel ^1da177e Linus Torvalds 2005-04-16 28 * assigned cpu id as the second. ^1da177e Linus Torvalds 2005-04-16 29 */ ^1da177e Linus Torvalds 2005-04-16 30 static void alloc_cpupda(cpuid_t cpu, int cpunum) ^1da177e Linus Torvalds 2005-04-16 31 { ^1da177e Linus Torvalds 2005-04-16 32 cnodeid_t node = get_cpu_cnode(cpu); ^1da177e Linus Torvalds 2005-04-16 33 nasid_t nasid = COMPACT_TO_NASID_NODEID(node); ^1da177e Linus Torvalds 2005-04-16 34 ^1da177e Linus Torvalds 2005-04-16 35 cputonasid(cpunum) = nasid; cc6e8e08 Ralf Baechle 2007-10-11 36 sn_cpu_info[cpunum].p_nodeid = node; ^1da177e Linus Torvalds 2005-04-16 37 cputoslice(cpunum) = get_cpu_slice(cpu); ^1da177e Linus Torvalds 2005-04-16 38 } ^1da177e Linus Torvalds 2005-04-16 39 ^1da177e Linus Torvalds 2005-04-16 40 static nasid_t get_actual_nasid(lboard_t *brd) ^1da177e Linus Torvalds 2005-04-16 41 { ^1da177e Linus Torvalds 2005-04-16 42 klhub_t *hub; ^1da177e Linus Torvalds 2005-04-16 43 ^1da177e Linus Torvalds 2005-04-16 44 if (!brd) ^1da177e Linus Torvalds 2005-04-16 45 return INVALID_NASID; ^1da177e Linus Torvalds 2005-04-16 46 ^1da177e Linus Torvalds 2005-04-16 47 /* find out if we are a completely disabled brd. */ ^1da177e Linus Torvalds 2005-04-16 48 hub = (klhub_t *)find_first_component(brd, KLSTRUCT_HUB); ^1da177e Linus Torvalds 2005-04-16 49 if (!hub) ^1da177e Linus Torvalds 2005-04-16 50 return INVALID_NASID; ^1da177e Linus Torvalds 2005-04-16 51 if (!(hub->hub_info.flags & KLINFO_ENABLE)) /* disabled node brd */ ^1da177e Linus Torvalds 2005-04-16 52 return hub->hub_info.physid; ^1da177e Linus Torvalds 2005-04-16 53 else ^1da177e Linus Torvalds 2005-04-16 54 return brd->brd_nasid; ^1da177e Linus Torvalds 2005-04-16 55 } ^1da177e Linus Torvalds 2005-04-16 56 ^1da177e Linus Torvalds 2005-04-16 57 static int do_cpumask(cnodeid_t cnode, nasid_t nasid, int highest) ^1da177e Linus Torvalds 2005-04-16 58 { ^1da177e Linus Torvalds 2005-04-16 59 static int tot_cpus_found = 0; ^1da177e Linus Torvalds 2005-04-16 60 lboard_t *brd; ^1da177e Linus Torvalds 2005-04-16 61 klcpu_t *acpu; ^1da177e Linus Torvalds 2005-04-16 62 int cpus_found = 0; ^1da177e Linus Torvalds 2005-04-16 63 cpuid_t cpuid; ^1da177e Linus Torvalds 2005-04-16 64 ^1da177e Linus Torvalds 2005-04-16 65 brd = find_lboard((lboard_t *)KL_CONFIG_INFO(nasid), KLTYPE_IP27); ^1da177e Linus Torvalds 2005-04-16 66 ^1da177e Linus Torvalds 2005-04-16 67 do { ^1da177e Linus Torvalds 2005-04-16 68 acpu = (klcpu_t *)find_first_component(brd, KLSTRUCT_CPU); ^1da177e Linus Torvalds 2005-04-16 69 while (acpu) { ^1da177e Linus Torvalds 2005-04-16 70 cpuid = acpu->cpu_info.virtid; ^1da177e Linus Torvalds 2005-04-16 71 /* cnode is not valid for completely disabled brds */ ^1da177e Linus Torvalds 2005-04-16 72 if (get_actual_nasid(brd) == brd->brd_nasid) ^1da177e Linus Torvalds 2005-04-16 73 cpuid_to_compact_node[cpuid] = cnode; ^1da177e Linus Torvalds 2005-04-16 74 if (cpuid > highest) ^1da177e Linus Torvalds 2005-04-16 75 highest = cpuid; ^1da177e Linus Torvalds 2005-04-16 76 /* Only let it join in if it's marked enabled */ ^1da177e Linus Torvalds 2005-04-16 77 if ((acpu->cpu_info.flags & KLINFO_ENABLE) && ^1da177e Linus Torvalds 2005-04-16 78 (tot_cpus_found != NR_CPUS)) { 0b5f9c00 Rusty Russell 2012-03-29 79 set_cpu_possible(cpuid, true); ^1da177e Linus Torvalds 2005-04-16 80 alloc_cpupda(cpuid, tot_cpus_found); ^1da177e Linus Torvalds 2005-04-16 81 cpus_found++; ^1da177e Linus Torvalds 2005-04-16 82 tot_cpus_found++; ^1da177e Linus Torvalds 2005-04-16 83 } ^1da177e Linus Torvalds 2005-04-16 84 acpu = (klcpu_t *)find_component(brd, (klinfo_t *)acpu, ^1da177e Linus Torvalds 2005-04-16 85 KLSTRUCT_CPU); ^1da177e Linus Torvalds 2005-04-16 86 } ^1da177e Linus Torvalds 2005-04-16 87 brd = KLCF_NEXT(brd); ^1da177e Linus Torvalds 2005-04-16 88 if (!brd) ^1da177e Linus Torvalds 2005-04-16 89 break; ^1da177e Linus Torvalds 2005-04-16 90 ^1da177e Linus Torvalds 2005-04-16 91 brd = find_lboard(brd, KLTYPE_IP27); ^1da177e Linus Torvalds 2005-04-16 92 } while (brd); ^1da177e Linus Torvalds 2005-04-16 93 ^1da177e Linus Torvalds 2005-04-16 94 return highest; ^1da177e Linus Torvalds 2005-04-16 95 } ^1da177e Linus Torvalds 2005-04-16 96 ^1da177e Linus Torvalds 2005-04-16 97 void cpu_node_probe(void) ^1da177e Linus Torvalds 2005-04-16 98 { ^1da177e Linus Torvalds 2005-04-16 99 int i, highest = 0; ^1da177e Linus Torvalds 2005-04-16 100 gda_t *gdap = GDA; ^1da177e Linus Torvalds 2005-04-16 101 ^1da177e Linus Torvalds 2005-04-16 102 /* ^1da177e Linus Torvalds 2005-04-16 103 * Initialize the arrays to invalid nodeid (-1) ^1da177e Linus Torvalds 2005-04-16 104 */ ^1da177e Linus Torvalds 2005-04-16 105 for (i = 0; i < MAX_COMPACT_NODES; i++) ^1da177e Linus Torvalds 2005-04-16 106 compact_to_nasid_node[i] = INVALID_NASID; ^1da177e Linus Torvalds 2005-04-16 107 for (i = 0; i < MAX_NASIDS; i++) ^1da177e Linus Torvalds 2005-04-16 108 nasid_to_compact_node[i] = INVALID_CNODEID; ^1da177e Linus Torvalds 2005-04-16 109 for (i = 0; i < MAXCPUS; i++) ^1da177e Linus Torvalds 2005-04-16 110 cpuid_to_compact_node[i] = INVALID_CNODEID; ^1da177e Linus Torvalds 2005-04-16 111 ^1da177e Linus Torvalds 2005-04-16 112 /* ^1da177e Linus Torvalds 2005-04-16 113 * MCD - this whole "compact node" stuff can probably be dropped, ^1da177e Linus Torvalds 2005-04-16 114 * as we can handle sparse numbering now ^1da177e Linus Torvalds 2005-04-16 115 */ ^1da177e Linus Torvalds 2005-04-16 116 nodes_clear(node_online_map); ^1da177e Linus Torvalds 2005-04-16 117 for (i = 0; i < MAX_COMPACT_NODES; i++) { ^1da177e Linus Torvalds 2005-04-16 118 nasid_t nasid = gdap->g_nasidtable[i]; ^1da177e Linus Torvalds 2005-04-16 119 if (nasid == INVALID_NASID) ^1da177e Linus Torvalds 2005-04-16 120 break; ^1da177e Linus Torvalds 2005-04-16 121 compact_to_nasid_node[i] = nasid; ^1da177e Linus Torvalds 2005-04-16 122 nasid_to_compact_node[nasid] = i; ^1da177e Linus Torvalds 2005-04-16 123 node_set_online(num_online_nodes()); ^1da177e Linus Torvalds 2005-04-16 124 highest = do_cpumask(i, nasid, highest); ^1da177e Linus Torvalds 2005-04-16 125 } ^1da177e Linus Torvalds 2005-04-16 126 ^1da177e Linus Torvalds 2005-04-16 127 printk("Discovered %d cpus on %d nodes\n", highest + 1, num_online_nodes()); ^1da177e Linus Torvalds 2005-04-16 128 } ^1da177e Linus Torvalds 2005-04-16 129 39408c6a Ralf Baechle 2005-02-13 130 static __init void intr_clear_all(nasid_t nasid) ^1da177e Linus Torvalds 2005-04-16 131 { ^1da177e Linus Torvalds 2005-04-16 132 int i; ^1da177e Linus Torvalds 2005-04-16 133 ^1da177e Linus Torvalds 2005-04-16 134 REMOTE_HUB_S(nasid, PI_INT_MASK0_A, 0); ^1da177e Linus Torvalds 2005-04-16 135 REMOTE_HUB_S(nasid, PI_INT_MASK0_B, 0); ^1da177e Linus Torvalds 2005-04-16 136 REMOTE_HUB_S(nasid, PI_INT_MASK1_A, 0); ^1da177e Linus Torvalds 2005-04-16 137 REMOTE_HUB_S(nasid, PI_INT_MASK1_B, 0); 39408c6a Ralf Baechle 2005-02-13 138 39408c6a Ralf Baechle 2005-02-13 139 for (i = 0; i < 128; i++) 39408c6a Ralf Baechle 2005-02-13 140 REMOTE_HUB_CLR_INTR(nasid, i); ^1da177e Linus Torvalds 2005-04-16 141 } ^1da177e Linus Torvalds 2005-04-16 142 87353d8a Ralf Baechle 2007-11-19 143 static void ip27_send_ipi_single(int destid, unsigned int action) ^1da177e Linus Torvalds 2005-04-16 144 { 87353d8a Ralf Baechle 2007-11-19 145 int irq; ^1da177e Linus Torvalds 2005-04-16 146 87353d8a Ralf Baechle 2007-11-19 147 switch (action) { 87353d8a Ralf Baechle 2007-11-19 148 case SMP_RESCHEDULE_YOURSELF: 87353d8a Ralf Baechle 2007-11-19 149 irq = CPU_RESCHED_A_IRQ; 87353d8a Ralf Baechle 2007-11-19 150 break; 87353d8a Ralf Baechle 2007-11-19 151 case SMP_CALL_FUNCTION: 87353d8a Ralf Baechle 2007-11-19 152 irq = CPU_CALL_A_IRQ; 87353d8a Ralf Baechle 2007-11-19 153 break; 87353d8a Ralf Baechle 2007-11-19 154 default: 87353d8a Ralf Baechle 2007-11-19 155 panic("sendintr"); de1db6ff Ralf Baechle 2005-02-13 156 } ^1da177e Linus Torvalds 2005-04-16 157 87353d8a Ralf Baechle 2007-11-19 158 irq += cputoslice(destid); ^1da177e Linus Torvalds 2005-04-16 159 ^1da177e Linus Torvalds 2005-04-16 160 /* 87353d8a Ralf Baechle 2007-11-19 161 * Convert the compact hub number to the NASID to get the correct 87353d8a Ralf Baechle 2007-11-19 162 * part of the address space. Then set the interrupt bit associated 87353d8a Ralf Baechle 2007-11-19 163 * with the CPU we want to send the interrupt to. ^1da177e Linus Torvalds 2005-04-16 164 */ 87353d8a Ralf Baechle 2007-11-19 165 REMOTE_HUB_SEND_INTR(COMPACT_TO_NASID_NODEID(cpu_to_node(destid)), irq); ^1da177e Linus Torvalds 2005-04-16 166 } ^1da177e Linus Torvalds 2005-04-16 167 b533e652 Ralf Baechle 2009-09-25 168 static void ip27_send_ipi_mask(const struct cpumask *mask, unsigned int action) 87353d8a Ralf Baechle 2007-11-19 169 { 87353d8a Ralf Baechle 2007-11-19 170 unsigned int i; 87353d8a Ralf Baechle 2007-11-19 171 48a048fe Rusty Russell 2009-09-24 172 for_each_cpu(i, mask) 87353d8a Ralf Baechle 2007-11-19 173 ip27_send_ipi_single(i, action); 87353d8a Ralf Baechle 2007-11-19 174 } 87353d8a Ralf Baechle 2007-11-19 175 078a55fc Paul Gortmaker 2013-06-18 176 static void ip27_init_secondary(void) 87353d8a Ralf Baechle 2007-11-19 177 { 87353d8a Ralf Baechle 2007-11-19 178 per_cpu_init(); 87353d8a Ralf Baechle 2007-11-19 179 } 87353d8a Ralf Baechle 2007-11-19 180 078a55fc Paul Gortmaker 2013-06-18 181 static void ip27_smp_finish(void) 87353d8a Ralf Baechle 2007-11-19 182 { b32bb803 Thomas Bogendoerfer 2008-04-08 183 extern void hub_rt_clock_event_init(void); b32bb803 Thomas Bogendoerfer 2008-04-08 184 b32bb803 Thomas Bogendoerfer 2008-04-08 185 hub_rt_clock_event_init(); b32bb803 Thomas Bogendoerfer 2008-04-08 186 local_irq_enable(); 87353d8a Ralf Baechle 2007-11-19 187 } 87353d8a Ralf Baechle 2007-11-19 188 ^1da177e Linus Torvalds 2005-04-16 189 /* ^1da177e Linus Torvalds 2005-04-16 190 * Launch a slave into smp_bootstrap(). It doesn't take an argument, and we ^1da177e Linus Torvalds 2005-04-16 191 * set sp to the kernel stack of the newly created idle process, gp to the proc ^1da177e Linus Torvalds 2005-04-16 192 * struct so that current_thread_info() will work. ^1da177e Linus Torvalds 2005-04-16 193 */ 078a55fc Paul Gortmaker 2013-06-18 194 static void ip27_boot_secondary(int cpu, struct task_struct *idle) ^1da177e Linus Torvalds 2005-04-16 195 { dc8f6029 Al Viro 2006-01-12 196 unsigned long gp = (unsigned long)task_thread_info(idle); dc8f6029 Al Viro 2006-01-12 @197 unsigned long sp = __KSTK_TOS(idle); ^1da177e Linus Torvalds 2005-04-16 198 ^1da177e Linus Torvalds 2005-04-16 199 LAUNCH_SLAVE(cputonasid(cpu), cputoslice(cpu), ^1da177e Linus Torvalds 2005-04-16 200 (launch_proc_t)MAPPED_KERN_RW_TO_K0(smp_bootstrap), :::::: The code at line 197 was first introduced by commit :::::: dc8f6029cd51af1b148846a32e68d69013a5cc0f [PATCH] mips: task_thread_info() :::::: TO: Al Viro :::::: CC: Linus Torvalds --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation