Re: [PATCH v7 6/6] powerpc: pSeries: Add pv-qspinlock build config/make

2016-09-25 Thread Michael Ellerman 
xinhui  writes:

> hi, all
>   ok, this patch set depends on
> https://patchwork.kernel.org/patch/8953981/ [V4] powerpc: Implement {cmp}xchg 
> for u8 and u16

AKA: https://patchwork.ozlabs.org/patch/615480/

Sorry I saw the discussion on that and thought there'd be a new version.
But now I read the whole thread it looks like it was OK in the end.

I'll try and get it merged.

cheers
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Re: [PATCH v7 6/6] powerpc: pSeries: Add pv-qspinlock build config/make

2016-09-21 Thread xinhui 

hi, all
ok, this patch set depends on
https://patchwork.kernel.org/patch/8953981/ [V4] powerpc: Implement {cmp}xchg 
for u8 and u16

sorry.

On 2016年09月19日 16:58, kbuild test robot wrote:

Hi Pan,

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.8-rc7 next-20160916]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]
[Suggest to use git(>=2.9.0) format-patch --base= (or --base=auto for 
convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:
https://github.com/0day-ci/linux/commits/Pan-Xinhui/Implement-qspinlock-pv-qspinlock-on-ppc/20160919-133130
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
 wget 
https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/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 >>):

include/linux/compiler.h:491:2: note: in expansion of macro 
'_compiletime_assert'
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
  ^~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
 #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
 ^~
arch/powerpc/include/asm/cmpxchg.h:326:2: note: in expansion of macro 
'BUILD_BUG_ON_MSG'
  BUILD_BUG_ON_MSG(1, "Unsupported size for __cmpxchg");
  ^~~~
In function '__cmpxchg',
inlined from 'pv_wait_node' at 
kernel/locking/qspinlock_paravirt.h:328:3,
inlined from '__pv_queued_spin_lock_slowpath' at 
kernel/locking/qspinlock.c:538:3:
include/linux/compiler.h:491:38: error: call to '__compiletime_assert_326' 
declared with attribute error: Unsupported size for __cmpxchg
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
  ^
include/linux/compiler.h:474:4: note: in definition of macro 
'__compiletime_assert'
prefix ## suffix();\
^~
include/linux/compiler.h:491:2: note: in expansion of macro 
'_compiletime_assert'
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
  ^~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
 #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
 ^~
arch/powerpc/include/asm/cmpxchg.h:326:2: note: in expansion of macro 
'BUILD_BUG_ON_MSG'
  BUILD_BUG_ON_MSG(1, "Unsupported size for __cmpxchg");
  ^~~~
In function '__cmpxchg',
inlined from 'pv_wait_head_or_lock' at 
kernel/locking/qspinlock_paravirt.h:109:10,
inlined from '__pv_queued_spin_lock_slowpath' at 
kernel/locking/qspinlock.c:573:5:
include/linux/compiler.h:491:38: error: call to '__compiletime_assert_326' 
declared with attribute error: Unsupported size for __cmpxchg
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
  ^
include/linux/compiler.h:474:4: note: in definition of macro 
'__compiletime_assert'
prefix ## suffix();\
^~
include/linux/compiler.h:491:2: note: in expansion of macro 
'_compiletime_assert'
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
  ^~~
include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
 #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
 ^~
arch/powerpc/include/asm/cmpxchg.h:326:2: note: in expansion of macro 
'BUILD_BUG_ON_MSG'
  BUILD_BUG_ON_MSG(1, "Unsupported size for __cmpxchg");
  ^~~~
In function '__xchg_relaxed',
inlined from 'pv_wait_head_or_lock' at 
kernel/locking/qspinlock_paravirt.h:442:8,
inlined from '__pv_queued_spin_lock_slowpath' at 
kernel/locking/qspinlock.c:573:5:
include/linux/compiler.h:491:38: error: call to '__compiletime_assert_113' 
declared with attribute error: Unsupported size for __xchg_local
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
  ^
include/linux/compiler.h:474:4: note: in definition of macro 
'__compiletime_assert'
prefix ## suffix();\
^~
include/linux/compiler.h:491:2: note: in expansion of macro 
'_compiletime_assert'
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
  ^~~

Re: [PATCH v7 6/6] powerpc: pSeries: Add pv-qspinlock build config/make

2016-09-19 Thread kbuild test robot 
Hi Pan,

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.8-rc7 next-20160916]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]
[Suggest to use git(>=2.9.0) format-patch --base= (or --base=auto for 
convenience) to record what (public, well-known) commit your patch series was 
built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:
https://github.com/0day-ci/linux/commits/Pan-Xinhui/Implement-qspinlock-pv-qspinlock-on-ppc/20160919-133130
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget 
https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/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 >>):

   include/linux/compiler.h:491:2: note: in expansion of macro 
'_compiletime_assert'
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^~~
   include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~
   arch/powerpc/include/asm/cmpxchg.h:326:2: note: in expansion of macro 
'BUILD_BUG_ON_MSG'
 BUILD_BUG_ON_MSG(1, "Unsupported size for __cmpxchg");
 ^~~~
   In function '__cmpxchg',
   inlined from 'pv_wait_node' at kernel/locking/qspinlock_paravirt.h:328:3,
   inlined from '__pv_queued_spin_lock_slowpath' at 
kernel/locking/qspinlock.c:538:3:
   include/linux/compiler.h:491:38: error: call to '__compiletime_assert_326' 
declared with attribute error: Unsupported size for __cmpxchg
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^
   include/linux/compiler.h:474:4: note: in definition of macro 
'__compiletime_assert'
   prefix ## suffix();\
   ^~
   include/linux/compiler.h:491:2: note: in expansion of macro 
'_compiletime_assert'
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^~~
   include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~
   arch/powerpc/include/asm/cmpxchg.h:326:2: note: in expansion of macro 
'BUILD_BUG_ON_MSG'
 BUILD_BUG_ON_MSG(1, "Unsupported size for __cmpxchg");
 ^~~~
   In function '__cmpxchg',
   inlined from 'pv_wait_head_or_lock' at 
kernel/locking/qspinlock_paravirt.h:109:10,
   inlined from '__pv_queued_spin_lock_slowpath' at 
kernel/locking/qspinlock.c:573:5:
   include/linux/compiler.h:491:38: error: call to '__compiletime_assert_326' 
declared with attribute error: Unsupported size for __cmpxchg
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^
   include/linux/compiler.h:474:4: note: in definition of macro 
'__compiletime_assert'
   prefix ## suffix();\
   ^~
   include/linux/compiler.h:491:2: note: in expansion of macro 
'_compiletime_assert'
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^~~
   include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~
   arch/powerpc/include/asm/cmpxchg.h:326:2: note: in expansion of macro 
'BUILD_BUG_ON_MSG'
 BUILD_BUG_ON_MSG(1, "Unsupported size for __cmpxchg");
 ^~~~
   In function '__xchg_relaxed',
   inlined from 'pv_wait_head_or_lock' at 
kernel/locking/qspinlock_paravirt.h:442:8,
   inlined from '__pv_queued_spin_lock_slowpath' at 
kernel/locking/qspinlock.c:573:5:
   include/linux/compiler.h:491:38: error: call to '__compiletime_assert_113' 
declared with attribute error: Unsupported size for __xchg_local
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^
   include/linux/compiler.h:474:4: note: in definition of macro 
'__compiletime_assert'
   prefix ## suffix();\
   ^~
   include/linux/compiler.h:491:2: note: in expansion of macro 
'_compiletime_assert'
 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
 ^~~
   include/linux/bug.h:51:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~
   arch/powerpc/include/asm/cmpxchg.h:113:2: