Messages in this thread | | | Date | Thu, 1 Mar 2018 07:28:09 +0800 | From | kbuild test robot <> | Subject | [tip:x86/apic 1/2] arch/x86/kernel/apic/apic.c:1507:2: error: 'i' undeclared |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/apic head: ea5dfef5a890c9e6e47bdddfc23c4a4ba0c1bea1 commit: 2066f4d67e7d9cbe44e451d782cdcc0a0d12e5d3 [1/2] x86/apic: Move pending intr check code into it's own function config: i386-randconfig-x004-201808 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 2066f4d67e7d9cbe44e451d782cdcc0a0d12e5d3 # save the attached .config to linux build tree make ARCH=i386
All errors (new ones prefixed by >>):
arch/x86/kernel/apic/apic.c: In function 'setup_local_APIC': >> arch/x86/kernel/apic/apic.c:1507:2: error: 'i' undeclared (first use in this function) i = early_per_cpu(x86_cpu_to_logical_apicid, cpu); ^ arch/x86/kernel/apic/apic.c:1507:2: note: each undeclared identifier is reported only once for each function it appears in
vim +/i +1507 arch/x86/kernel/apic/apic.c
2066f4d6 arch/x86/kernel/apic/apic.c Dou Liyang 2018-02-26 1460 0e078e2f arch/x86/kernel/apic_64.c Thomas Gleixner 2008-01-30 1461 /** 0e078e2f arch/x86/kernel/apic_64.c Thomas Gleixner 2008-01-30 1462 * setup_local_APIC - setup the local APIC 0aa002fe arch/x86/kernel/apic/apic.c Tejun Heo 2010-12-09 1463 * 543113d2 arch/x86/kernel/apic/apic.c Dou Liyang 2017-02-07 1464 * Used to setup local APIC while initializing BSP or bringing up APs. 0aa002fe arch/x86/kernel/apic/apic.c Tejun Heo 2010-12-09 1465 * Always called with preemption disabled. 0e078e2f arch/x86/kernel/apic_64.c Thomas Gleixner 2008-01-30 1466 */ b753a2b7 arch/x86/kernel/apic/apic.c Dou Liyang 2018-02-14 1467 static void setup_local_APIC(void) ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1468 { 0aa002fe arch/x86/kernel/apic/apic.c Tejun Heo 2010-12-09 1469 int cpu = smp_processor_id(); 2066f4d6 arch/x86/kernel/apic/apic.c Dou Liyang 2018-02-26 1470 unsigned int value; ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1471 f1182638 arch/x86/kernel/apic.c Jan Beulich 2009-01-14 1472 if (disable_apic) { 7167d08e arch/x86/kernel/apic/apic.c Henrik Kretzschmar 2011-02-22 1473 disable_ioapic_support(); f1182638 arch/x86/kernel/apic.c Jan Beulich 2009-01-14 1474 return; f1182638 arch/x86/kernel/apic.c Jan Beulich 2009-01-14 1475 } f1182638 arch/x86/kernel/apic.c Jan Beulich 2009-01-14 1476 89c38c28 arch/x86/kernel/apic_64.c Cyrill Gorcunov 2008-08-24 1477 #ifdef CONFIG_X86_32 89c38c28 arch/x86/kernel/apic_64.c Cyrill Gorcunov 2008-08-24 1478 /* Pound the ESR really hard over the head with a big hammer - mbligh */ 08125d3e arch/x86/kernel/apic.c Ingo Molnar 2009-01-28 1479 if (lapic_is_integrated() && apic->disable_esr) { 89c38c28 arch/x86/kernel/apic_64.c Cyrill Gorcunov 2008-08-24 1480 apic_write(APIC_ESR, 0); 89c38c28 arch/x86/kernel/apic_64.c Cyrill Gorcunov 2008-08-24 1481 apic_write(APIC_ESR, 0); 89c38c28 arch/x86/kernel/apic_64.c Cyrill Gorcunov 2008-08-24 1482 apic_write(APIC_ESR, 0); 89c38c28 arch/x86/kernel/apic_64.c Cyrill Gorcunov 2008-08-24 1483 apic_write(APIC_ESR, 0); 89c38c28 arch/x86/kernel/apic_64.c Cyrill Gorcunov 2008-08-24 1484 } 89c38c28 arch/x86/kernel/apic_64.c Cyrill Gorcunov 2008-08-24 1485 #endif cdd6c482 arch/x86/kernel/apic/apic.c Ingo Molnar 2009-09-21 1486 perf_events_lapic_init(); 89c38c28 arch/x86/kernel/apic_64.c Cyrill Gorcunov 2008-08-24 1487 ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1488 /* ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1489 * Double-check whether this APIC is really registered. ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1490 * This is meaningless in clustered apic mode, so we skip it. ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1491 */ c2777f98 arch/x86/kernel/apic/apic.c Daniel Walker 2009-09-12 1492 BUG_ON(!apic->apic_id_registered()); ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1493 ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1494 /* ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1495 * Intel recommends to set DFR, LDR and TPR before enabling ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1496 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1497 * document number 292116). So here it goes... ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1498 */ a5c43296 arch/x86/kernel/apic.c Ingo Molnar 2009-01-28 1499 apic->init_apic_ldr(); ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1500 6f802c4b arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1501 #ifdef CONFIG_X86_32 6f802c4b arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1502 /* acb8bc09 arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1503 * APIC LDR is initialized. If logical_apicid mapping was acb8bc09 arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1504 * initialized during get_smp_config(), make sure it matches the acb8bc09 arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1505 * actual value. 6f802c4b arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1506 */ acb8bc09 arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 @1507 i = early_per_cpu(x86_cpu_to_logical_apicid, cpu); acb8bc09 arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1508 WARN_ON(i != BAD_APICID && i != logical_smp_processor_id()); acb8bc09 arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1509 /* always use the value from LDR */ 6f802c4b arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1510 early_per_cpu(x86_cpu_to_logical_apicid, cpu) = 6f802c4b arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1511 logical_smp_processor_id(); 6f802c4b arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1512 #endif 6f802c4b arch/x86/kernel/apic/apic.c Tejun Heo 2011-01-23 1513 ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1514 /* ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1515 * Set Task Priority to 'accept all'. We never change this ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1516 * later on. ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1517 */ ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1518 value = apic_read(APIC_TASKPRI); ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1519 value &= ~APIC_TPRI_MASK; 11a8e778 arch/x86_64/kernel/apic.c Andi Kleen 2006-01-11 1520 apic_write(APIC_TASKPRI, value); ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1521 2066f4d6 arch/x86/kernel/apic/apic.c Dou Liyang 2018-02-26 1522 apic_pending_intr_clear(); da7ed9f9 arch/x86_64/kernel/apic.c Vivek Goyal 2006-03-25 1523 da7ed9f9 arch/x86_64/kernel/apic.c Vivek Goyal 2006-03-25 1524 /* ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1525 * Now that we are all set up, enable the APIC ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1526 */ ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1527 value = apic_read(APIC_SPIV); ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1528 value &= ~APIC_VECTOR_MASK; ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1529 /* ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1530 * Enable APIC ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1531 */ ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1532 value |= APIC_SPIV_APIC_ENABLED; ^1da177e arch/x86_64/kernel/apic.c Linus Torvalds 2005-04-16 1533
:::::: The code at line 1507 was first introduced by commit :::::: acb8bc09c6185e4d3d582d0076aaa6a89f19d8c5 x86: Add apic->x86_32_early_logical_apicid()
:::::: TO: Tejun Heo <tj@kernel.org> :::::: CC: Ingo Molnar <mingo@elte.hu>
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