Messages in this thread | | | Date | Mon, 6 Feb 2017 18:19:11 +0800 | From | kbuild test robot <> | Subject | [tip:WIP.sched/core 118/167] arch/sh/kernel/cpu/sh2a/fpu.c:559:1: note: in expansion of macro 'BUILD_TRAP_HANDLER' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core head: 3cb464183709fc66902b262ce921cb5a410697d1 commit: d8c081caed34b16d17d639fa49889d2b7b22c9b0 [118/167] sched/headers: Remove <asm/ptrace.h> from <linux/sched.h> config: sh-rsk7203_defconfig (attached as .config) compiler: sh4-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 d8c081caed34b16d17d639fa49889d2b7b22c9b0 # save the attached .config to linux build tree make.cross ARCH=sh
All warnings (new ones prefixed by >>):
In file included from arch/sh/kernel/cpu/sh2a/fpu.c:16:0: arch/sh/include/asm/fpu.h: In function 'release_fpu': arch/sh/include/asm/fpu.h:11:6: error: dereferencing pointer to incomplete type 'struct pt_regs' regs->sr |= SR_FD; ^~ In file included from arch/sh/include/asm/traps.h:7:0, from arch/sh/kernel/cpu/sh2a/fpu.c:17: arch/sh/kernel/cpu/sh2a/fpu.c: At top level: arch/sh/include/asm/traps_32.h:53:24: error: parameter 5 ('__regs') has incomplete type struct pt_regs __regs) ^ >> arch/sh/kernel/cpu/sh2a/fpu.c:559:1: note: in expansion of macro 'BUILD_TRAP_HANDLER' BUILD_TRAP_HANDLER(fpu_error) ^~~~~~~~~~~~~~~~~~
vim +/BUILD_TRAP_HANDLER +559 arch/sh/kernel/cpu/sh2a/fpu.c
74d99a5e Paul Mundt 2007-11-26 543 /* FPU error because of denormal */ 74d99a5e Paul Mundt 2007-11-26 544 if ((finsn & 0xf00f) == 0xf000) 74d99a5e Paul Mundt 2007-11-26 545 hx = denormal_addf(hx, hy); 74d99a5e Paul Mundt 2007-11-26 546 else 74d99a5e Paul Mundt 2007-11-26 547 hx = denormal_addf(hx, hy ^ 0x80000000); 0ea820cf Paul Mundt 2010-01-13 548 tsk->thread.xstate->hardfpu.fp_regs[n] = hx; 74d99a5e Paul Mundt 2007-11-26 549 } else 74d99a5e Paul Mundt 2007-11-26 550 return 0; 74d99a5e Paul Mundt 2007-11-26 551 74d99a5e Paul Mundt 2007-11-26 552 regs->pc = nextpc; 74d99a5e Paul Mundt 2007-11-26 553 return 1; 74d99a5e Paul Mundt 2007-11-26 554 } 74d99a5e Paul Mundt 2007-11-26 555 74d99a5e Paul Mundt 2007-11-26 556 return 0; 74d99a5e Paul Mundt 2007-11-26 557 } 74d99a5e Paul Mundt 2007-11-26 558 74d99a5e Paul Mundt 2007-11-26 @559 BUILD_TRAP_HANDLER(fpu_error) 74d99a5e Paul Mundt 2007-11-26 560 { 74d99a5e Paul Mundt 2007-11-26 561 struct task_struct *tsk = current; 74d99a5e Paul Mundt 2007-11-26 562 TRAP_HANDLER_DECL; 74d99a5e Paul Mundt 2007-11-26 563 d3ea9fa0 Stuart Menefy 2009-09-25 564 __unlazy_fpu(tsk, regs); 74d99a5e Paul Mundt 2007-11-26 565 if (ieee_fpe_handler(regs)) { 0ea820cf Paul Mundt 2010-01-13 566 tsk->thread.xstate->hardfpu.fpscr &= 74d99a5e Paul Mundt 2007-11-26 567 ~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK);
:::::: The code at line 559 was first introduced by commit :::::: 74d99a5e262229ee865f6f68528d10b82471ead6 sh: SH-2A FPU support.
:::::: TO: Paul Mundt <lethal@linux-sh.org> :::::: CC: Paul Mundt <lethal@linux-sh.org>
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