Re: [PATCH] powerpc/perf: Fix kernel address leaks via Sampling registers

Hi Michael,

I love your patch! Yet something to improve:

[auto build test ERROR on v4.16-rc1]
[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/Madhavan-Srinivasan/powerpc-perf-Fix-kernel-address-leaks-via-Sampling-registers/20180306-041036
config: powerpc-pmac32_defconfig (attached as .config)
compiler: powerpc-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 >>):

   {standard input}: Assembler messages:

quoted

{standard input}:2476: Error: unsupported relocation against SPRN_SDAR

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