Hi Nicholas, I love your patch! Yet something to improve:
[auto build test ERROR on powerpc/next] [also build test ERROR on v5.0-rc2 next-20190116] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Nicholas-Piggin/Fixes-for-3-separate-NMI-reentrancy-bugs/20190122-154328 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-defconfig (attached as .config) compiler: powerpc64-linux-gnu-gcc (Debian 8.2.0-11) 8.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=8.2.0 make.cross ARCH=powerpc All errors (new ones prefixed by >>): arch/powerpc/kernel/exceptions-64s.S: Assembler messages: >> arch/powerpc/kernel/exceptions-64s.S:625: Error: Fixed entry overflow arch/powerpc/kernel/exceptions-64s.S:625: Fatal error: .abort detected. Abandoning ship. vim +625 arch/powerpc/kernel/exceptions-64s.S 80795e6cb Nicholas Piggin 2016-09-21 616 0ebc4cdaa Benjamin Herrenschmidt 2009-06-02 617 1a6822d19 Nicholas Piggin 2016-12-06 618 EXC_REAL_BEGIN(data_access_slb, 0x380, 0x80) 7cfab0bae Nicholas Piggin 2019-01-22 619 SET_SCRATCH0(r13) /* save r13 */ 7cfab0bae Nicholas Piggin 2019-01-22 620 EXCEPTION_PROLOG_0(PACA_EXSLB) 7cfab0bae Nicholas Piggin 2019-01-22 621 EXCEPTION_PROLOG_1(PACA_EXSLB, KVMTEST_PR, 0x380) 00038b16f Nicholas Piggin 2019-01-22 622 mfspr r10,SPRN_DAR 00038b16f Nicholas Piggin 2019-01-22 623 std r10,PACA_EXGEN+EX_DAR(r13) 7cfab0bae Nicholas Piggin 2019-01-22 624 EXCEPTION_PROLOG_2(data_access_slb_common, EXC_STD) 1a6822d19 Nicholas Piggin 2016-12-06 @625 EXC_REAL_END(data_access_slb, 0x380, 0x80) 0ebc4cdaa Benjamin Herrenschmidt 2009-06-02 626 :::::: The code at line 625 was first introduced by commit :::::: 1a6822d194c3f627eeb6aaca6688a5d0a444663e powerpc/64s: Use (start, size) rather than (start, end) for exception handlers :::::: TO: Nicholas Piggin <npig...@gmail.com> :::::: CC: Michael Ellerman <m...@ellerman.id.au> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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