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SubjectRe: [PATCH] powerpc/cell: fix build failure by disabling attribute-alias warning
Hi Christophe,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.17-rc7 next-20180530]
[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/Christophe-Leroy/powerpc-cell-fix-build-failure-by-disabling-attribute-alias-warning/20180531-003218
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/platforms/cell/spu_syscalls.c:71:32: error: unknown option after '#pragma GCC diagnostic' kind [-Werror=pragmas]
#pragma GCC diagnostic ignored "-Wattribute-alias"
^~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

vim +71 arch/powerpc/platforms/cell/spu_syscalls.c

69
70 #pragma GCC diagnostic push
> 71 #pragma GCC diagnostic ignored "-Wattribute-alias"
72 SYSCALL_DEFINE4(spu_create, const char __user *, name, unsigned int, flags,
73 umode_t, mode, int, neighbor_fd)
74 {
75 long ret;
76 struct spufs_calls *calls;
77
78 calls = spufs_calls_get();
79 if (!calls)
80 return -ENOSYS;
81
82 if (flags & SPU_CREATE_AFFINITY_SPU) {
83 struct fd neighbor = fdget(neighbor_fd);
84 ret = -EBADF;
85 if (neighbor.file) {
86 ret = calls->create_thread(name, flags, mode, neighbor.file);
87 fdput(neighbor);
88 }
89 } else
90 ret = calls->create_thread(name, flags, mode, NULL);
91
92 spufs_calls_put(calls);
93 return ret;
94 }
95

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