6:36 p.m.
Hi Ganesh,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next]
[also build test WARNING on v5.9-rc5 next-20200916]
[cannot apply to scottwood/next mpe/next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Ganesh-Goudar/powerpc-mce-Fix-mc...
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
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
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
arch/powerpc/sysdev/mce_error_inject.c: In function 'insert_slb_entry':
> arch/powerpc/sysdev/mce_error_inject.c:52:22: warning: variable
'paca' set but not used [-Wunused-but-set-variable]
52 | struct
paca_struct *paca;
| ^~~~
# https://github.com/0day-ci/linux/commit/4ab1196e8e542fdf0e7cda8638dfb0e57...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Ganesh-Goudar/powerpc-mce-Fix-mce-handler-and-add-selftest/20200917-092355
git checkout 4ab1196e8e542fdf0e7cda8638dfb0e5771fd98e
vim +/paca +52 arch/powerpc/sysdev/mce_error_inject.c
48
49 static void insert_slb_entry(char *p, int ssize)
50 {
51 unsigned long flags, entry;
52 struct paca_struct *paca;
53
54 flags = SLB_VSID_KERNEL | mmu_psize_defs[MMU_PAGE_64K].sllp;
55
56 preempt_disable();
57
58 paca = get_paca();
59
60 entry = get_slb_index();
61 asm volatile("slbmte %0,%1" :
62 : "r" (mk_vsid_data((unsigned long)p, ssize, flags)),
63 "r" (mk_esid_data((unsigned long)p, ssize, entry))
64 : "memory");
65
66 entry = get_slb_index();
67 asm volatile("slbmte %0,%1" :
68 : "r" (mk_vsid_data((unsigned long)p, ssize, flags)),
69 "r" (mk_esid_data((unsigned long)p, ssize, entry))
70 : "memory");
71 preempt_enable();
72 p[0] = '!';
73 }
74
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org