Messages in this thread | | | Date | Tue, 4 Sep 2018 23:27:09 +0800 | From | kbuild test robot <> | Subject | [tip:x86/paravirt 13/15] arch/x86/entry/entry_64.S:624: Error: invalid operands (*UND* and *ABS* sections) for `/' |
| |
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/paravirt head: 495310e4f2dd857c4d5a62806a04cb8ba53855c1 commit: 6da63eb241a05b0e676d68975e793c0521387141 [13/15] x86/paravirt: Move the pv_irq_ops under the PARAVIRT_XXL umbrella config: x86_64-randconfig-g0-09032303 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: git checkout 6da63eb241a05b0e676d68975e793c0521387141 # save the attached .config to linux build tree make ARCH=x86_64 :::::: branch date: 71 minutes ago :::::: commit date: 71 minutes ago
All error/warnings (new ones prefixed by >>):
In file included from arch/x86/entry/entry_64.S:33:0: >> arch/x86/include/asm/paravirt.h:938:0: warning: "SAVE_FLAGS" redefined #define SAVE_FLAGS(clobbers) \ ^ In file included from arch/x86/entry/entry_64.S:32:0: arch/x86/include/asm/irqflags.h:127:0: note: this is the location of the previous definition #define SAVE_FLAGS(x) pushfq; popq %rax ^ arch/x86/entry/entry_64.S: Assembler messages: >> arch/x86/entry/entry_64.S:624: Error: invalid operands (*UND* and *UND* sections) for `+' arch/x86/entry/entry_64.S:649: Error: invalid operands (*UND* and *UND* sections) for `+' arch/x86/entry/entry_64.S:1046: Error: invalid operands (*UND* and *UND* sections) for `+' arch/x86/entry/entry_64.S:1048: Error: invalid operands (*UND* and *UND* sections) for `+' >> arch/x86/entry/entry_64.S:624: Error: invalid operands (*UND* and *ABS* sections) for `/' arch/x86/entry/entry_64.S:649: Error: invalid operands (*UND* and *ABS* sections) for `/' arch/x86/entry/entry_64.S:1046: Error: invalid operands (*UND* and *ABS* sections) for `/' arch/x86/entry/entry_64.S:1048: Error: invalid operands (*UND* and *ABS* sections) for `/'
# https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=6da63eb241a05b0e676d68975e793c0521387141 git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git remote update tip git checkout 6da63eb241a05b0e676d68975e793c0521387141 vim +624 arch/x86/entry/entry_64.S
1d3e53e86 arch/x86/entry/entry_64.S Andy Lutomirski 2017-07-11 546 939b78713 arch/x86/kernel/entry_64.S H. Peter Anvin 2008-11-11 547 /* f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 548 * Interrupt entry helper function. ^1da177e4 arch/x86_64/kernel/entry.S Linus Torvalds 2005-04-16 549 * f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 550 * Entry runs with interrupts off. Stack layout at entry: f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 551 * +----------------------------------------------------+ f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 552 * | regs->ss | f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 553 * | regs->rsp | f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 554 * | regs->eflags | f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 555 * | regs->cs | f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 556 * | regs->ip | f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 557 * +----------------------------------------------------+ f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 558 * | regs->orig_ax = ~(interrupt number) | f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 559 * +----------------------------------------------------+ f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 560 * | return address | f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 561 * +----------------------------------------------------+ f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 562 */ f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 563 ENTRY(interrupt_entry) f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 564 UNWIND_HINT_FUNC f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 565 ASM_CLAC f6f64681d arch/x86/kernel/entry_64.S Denys Vlasenko 2015-01-08 566 cld 7f2590a11 arch/x86/entry/entry_64.S Andy Lutomirski 2017-12-04 567 f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 568 testb $3, CS-ORIG_RAX+8(%rsp) 7f2590a11 arch/x86/entry/entry_64.S Andy Lutomirski 2017-12-04 569 jz 1f 7f2590a11 arch/x86/entry/entry_64.S Andy Lutomirski 2017-12-04 570 SWAPGS f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 571 f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 572 /* f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 573 * Switch to the thread stack. The IRET frame and orig_ax are f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 574 * on the stack, as well as the return address. RDI..R12 are f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 575 * not (yet) on the stack and space has not (yet) been f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 576 * allocated for them. 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 577 */ 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 578 pushq %rdi f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 579 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 580 /* Need to switch before accessing the thread stack. */ 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 581 SWITCH_TO_KERNEL_CR3 scratch_reg=%rdi 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 582 movq %rsp, %rdi 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 583 movq PER_CPU_VAR(cpu_current_top_of_stack), %rsp f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 584 f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 585 /* f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 586 * We have RDI, return address, and orig_ax on the stack on f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 587 * top of the IRET frame. That means offset=24 f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 588 */ f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 589 UNWIND_HINT_IRET_REGS base=%rdi offset=24 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 590 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 591 pushq 7*8(%rdi) /* regs->ss */ 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 592 pushq 6*8(%rdi) /* regs->rsp */ 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 593 pushq 5*8(%rdi) /* regs->eflags */ 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 594 pushq 4*8(%rdi) /* regs->cs */ 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 595 pushq 3*8(%rdi) /* regs->ip */ 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 596 pushq 2*8(%rdi) /* regs->orig_ax */ 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 597 pushq 8(%rdi) /* return address */ 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 598 UNWIND_HINT_FUNC 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 599 90a6acc4e arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 600 movq (%rdi), %rdi 7f2590a11 arch/x86/entry/entry_64.S Andy Lutomirski 2017-12-04 601 1: 7f2590a11 arch/x86/entry/entry_64.S Andy Lutomirski 2017-12-04 602 0e34d2263 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 603 PUSH_AND_CLEAR_REGS save_ret=1 0e34d2263 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 604 ENCODE_FRAME_POINTER 8 76f5df43c arch/x86/kernel/entry_64.S Denys Vlasenko 2015-02-26 605 2ba647410 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 606 testb $3, CS+8(%rsp) dde74f2e4 arch/x86/kernel/entry_64.S Denys Vlasenko 2015-04-27 607 jz 1f 02bc7768f arch/x86/entry/entry_64.S Andy Lutomirski 2015-07-03 608 02bc7768f arch/x86/entry/entry_64.S Andy Lutomirski 2015-07-03 609 /* 7f2590a11 arch/x86/entry/entry_64.S Andy Lutomirski 2017-12-04 610 * IRQ from user mode. 7f2590a11 arch/x86/entry/entry_64.S Andy Lutomirski 2017-12-04 611 * f10750536 arch/x86/entry/entry_64.S Andy Lutomirski 2015-11-12 612 * We need to tell lockdep that IRQs are off. We can't do this until f10750536 arch/x86/entry/entry_64.S Andy Lutomirski 2015-11-12 613 * we fix gsbase, and we should do it before enter_from_user_mode f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 614 * (which can take locks). Since TRACE_IRQS_OFF is idempotent, f10750536 arch/x86/entry/entry_64.S Andy Lutomirski 2015-11-12 615 * the simplest way to handle it is to just call it twice if f10750536 arch/x86/entry/entry_64.S Andy Lutomirski 2015-11-12 616 * we enter from user mode. There's no reason to optimize this since f10750536 arch/x86/entry/entry_64.S Andy Lutomirski 2015-11-12 617 * TRACE_IRQS_OFF is a no-op if lockdep is off. f10750536 arch/x86/entry/entry_64.S Andy Lutomirski 2015-11-12 618 */ f10750536 arch/x86/entry/entry_64.S Andy Lutomirski 2015-11-12 619 TRACE_IRQS_OFF f10750536 arch/x86/entry/entry_64.S Andy Lutomirski 2015-11-12 620 478dc89cf arch/x86/entry/entry_64.S Andy Lutomirski 2015-11-12 621 CALL_enter_from_user_mode 02bc7768f arch/x86/entry/entry_64.S Andy Lutomirski 2015-07-03 622 76f5df43c arch/x86/kernel/entry_64.S Denys Vlasenko 2015-02-26 623 1: 2ba647410 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 @624 ENTER_IRQ_STACK old_rsp=%rdi save_ret=1 f6f64681d arch/x86/kernel/entry_64.S Denys Vlasenko 2015-01-08 625 /* We entered an interrupt context - irqs are off: */ f6f64681d arch/x86/kernel/entry_64.S Denys Vlasenko 2015-01-08 626 TRACE_IRQS_OFF f6f64681d arch/x86/kernel/entry_64.S Denys Vlasenko 2015-01-08 627 2ba647410 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 628 ret 2ba647410 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 629 END(interrupt_entry) 2ba647410 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 630 f3d415ea4 arch/x86/entry/entry_64.S Dominik Brodowski 2018-02-20 631
:::::: The code at line 624 was first introduced by commit :::::: 2ba6474104a1132c4af9f6dc42c6bfe3ca71f8c7 x86/entry/64: Move ENTER_IRQ_STACK from interrupt macro to interrupt_entry
:::::: TO: Dominik Brodowski <linux@dominikbrodowski.net> :::::: CC: Ingo Molnar <mingo@kernel.org>
--- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation [unhandled content-type:application/gzip] | |