[PATCH 07/14] powerpc/64s: idle avoid SRR usage in idle sleep/wake paths
kbuild test robot
lkp at intel.com
Fri Jun 2 23:37:16 AEST 2017
Hi Nicholas,
[auto build test ERROR on pm/linux-next]
[also build test ERROR on v4.12-rc3]
[cannot apply to powerpc/next next-20170602]
[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/syscall-context-switch-idle-performance-stuff/20170602-172149
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: powerpc-defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/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 >>):
In file included from arch/powerpc/kernel/head_64.S:198:0:
>> arch/powerpc/kernel/exceptions-64s.S:1034:43: error: macro "BRANCH_LINK_TO_FAR" requires 2 arguments, but only 1 given
BRANCH_LINK_TO_FAR(hmi_exception_realmode) /* Function call ABI */
^
vim +/BRANCH_LINK_TO_FAR +1034 arch/powerpc/kernel/exceptions-64s.S
62f9b03b06 Nicholas Piggin 2016-09-21 1028 mfspr r11,SPRN_HSRR0 /* Save HSRR0 */
a4087a4d38 Nicholas Piggin 2016-12-20 1029 mfspr r12,SPRN_HSRR1 /* Save HSRR1 */
a4087a4d38 Nicholas Piggin 2016-12-20 1030 EXCEPTION_PROLOG_COMMON_1()
62f9b03b06 Nicholas Piggin 2016-09-21 1031 EXCEPTION_PROLOG_COMMON_2(PACA_EXGEN)
62f9b03b06 Nicholas Piggin 2016-09-21 1032 EXCEPTION_PROLOG_COMMON_3(0xe60)
62f9b03b06 Nicholas Piggin 2016-09-21 1033 addi r3,r1,STACK_FRAME_OVERHEAD
be5c5e843c Michael Ellerman 2017-04-18 @1034 BRANCH_LINK_TO_FAR(hmi_exception_realmode) /* Function call ABI */
62f9b03b06 Nicholas Piggin 2016-09-21 1035 /* Windup the stack. */
62f9b03b06 Nicholas Piggin 2016-09-21 1036 /* Move original HSRR0 and HSRR1 into the respective regs */
62f9b03b06 Nicholas Piggin 2016-09-21 1037 ld r9,_MSR(r1)
:::::: The code at line 1034 was first introduced by commit
:::::: be5c5e843c4afa1c8397cb740b6032bd4142f32d powerpc/64: Fix HMI exception on LE with CONFIG_RELOCATABLE=y
:::::: TO: Michael Ellerman <mpe at ellerman.id.au>
:::::: CC: Michael Ellerman <mpe at 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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