Re: [PATCH v2 10/11] powerpc/kvm: Store the MMU mode in the PACA on KVM exit

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Hi Benjamin,

I love your patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.14 next-20171124]
[cannot apply to kvm-ppc/kvm-ppc-next]
[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/Benjamin-Herrenschmidt/powerpc-kvm-xive-Add-more-debugfs-queues-info/20171124-190202
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 7.2.0-11) 7.2.0
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
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/kernel/exceptions-64s.S: Assembler messages:
>> arch/powerpc/kernel/exceptions-64s.S:803: Error: Fixed entry overflow
   arch/powerpc/kernel/exceptions-64s.S:803: Fatal error: .abort detected.  Abandoning ship.

vim +803 arch/powerpc/kernel/exceptions-64s.S

c78d9b974 Nicholas Piggin        2016-09-21  801  
a5d4f3ad3 Benjamin Herrenschmidt 2011-04-05  802  
1a6822d19 Nicholas Piggin        2016-12-06 @803  EXC_REAL_MASKABLE(decrementer, 0x900, 0x80)
1a6822d19 Nicholas Piggin        2016-12-06  804  EXC_VIRT_MASKABLE(decrementer, 0x4900, 0x80, 0x900)
39c0da57a Nicholas Piggin        2016-09-21  805  TRAMP_KVM(PACA_EXGEN, 0x900)
39c0da57a Nicholas Piggin        2016-09-21  806  EXC_COMMON_ASYNC(decrementer_common, 0x900, timer_interrupt)
39c0da57a Nicholas Piggin        2016-09-21  807  
a485c7098 Paul Mackerras         2013-04-25  808  

:::::: The code at line 803 was first introduced by commit
:::::: 1a6822d194c3f627eeb6aaca6688a5d0a444663e powerpc/64s: Use (start, size) rather than (start, end) for exception handlers

:::::: TO: Nicholas Piggin <npiggin@xxxxxxxxx>
:::::: CC: Michael Ellerman <mpe@xxxxxxxxxxxxxx>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip


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