* arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
@ 2018-11-20 10:26 kbuild test robot
0 siblings, 0 replies; 7+ messages in thread
From: kbuild test robot @ 2018-11-20 10:26 UTC (permalink / raw)
To: Juergen Gross; +Cc: kbuild-all, linux-kernel, Thomas Gleixner
[-- Attachment #1: Type: text/plain, Size: 3917 bytes --]
Hi Juergen,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f2ce1065e767fc7da106a5f5381d1e8f842dc6f4
commit: 6da63eb241a05b0e676d68975e793c0521387141 x86/paravirt: Move the pv_irq_ops under the PARAVIRT_XXL umbrella
date: 3 months ago
config: i386-randconfig-h0-11201559 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
git checkout 6da63eb241a05b0e676d68975e793c0521387141
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
In file included from arch/x86/include/asm/atomic.h:8:0,
from arch/x86/include/asm/msr.h:67,
from arch/x86/include/asm/processor.h:21,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:81,
from include/linux/spinlock.h:51,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from mm/slub.c:13:
mm/slub.c: In function '__slab_free':
>> arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
asm volatile(pfx "cmpxchg%c4b %2; sete %0" \
^
arch/x86/include/asm/cmpxchg.h:254:2: note: in expansion of macro '__cmpxchg_double'
__cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2)
^
include/asm-generic/atomic-instrumented.h:457:2: note: in expansion of macro 'arch_cmpxchg_double'
arch_cmpxchg_double(__ai_p1, (p2), (o1), (o2), (n1), (n2)); \
^
mm/slub.c:403:7: note: in expansion of macro 'cmpxchg_double'
if (cmpxchg_double(&page->freelist, &page->counters,
^
vim +/asm +245 arch/x86/include/asm/cmpxchg.h
3d94ae0c Jeremy Fitzhardinge 2011-09-28 235
cdcd6298 Jan Beulich 2012-01-02 236 #define __cmpxchg_double(pfx, p1, p2, o1, o2, n1, n2) \
cdcd6298 Jan Beulich 2012-01-02 237 ({ \
cdcd6298 Jan Beulich 2012-01-02 238 bool __ret; \
cdcd6298 Jan Beulich 2012-01-02 239 __typeof__(*(p1)) __old1 = (o1), __new1 = (n1); \
cdcd6298 Jan Beulich 2012-01-02 240 __typeof__(*(p2)) __old2 = (o2), __new2 = (n2); \
cdcd6298 Jan Beulich 2012-01-02 241 BUILD_BUG_ON(sizeof(*(p1)) != sizeof(long)); \
cdcd6298 Jan Beulich 2012-01-02 242 BUILD_BUG_ON(sizeof(*(p2)) != sizeof(long)); \
cdcd6298 Jan Beulich 2012-01-02 243 VM_BUG_ON((unsigned long)(p1) % (2 * sizeof(long))); \
cdcd6298 Jan Beulich 2012-01-02 244 VM_BUG_ON((unsigned long)((p1) + 1) != (unsigned long)(p2)); \
cdcd6298 Jan Beulich 2012-01-02 @245 asm volatile(pfx "cmpxchg%c4b %2; sete %0" \
cdcd6298 Jan Beulich 2012-01-02 246 : "=a" (__ret), "+d" (__old2), \
cdcd6298 Jan Beulich 2012-01-02 247 "+m" (*(p1)), "+m" (*(p2)) \
cdcd6298 Jan Beulich 2012-01-02 248 : "i" (2 * sizeof(long)), "a" (__old1), \
cdcd6298 Jan Beulich 2012-01-02 249 "b" (__new1), "c" (__new2)); \
cdcd6298 Jan Beulich 2012-01-02 250 __ret; \
cdcd6298 Jan Beulich 2012-01-02 251 })
cdcd6298 Jan Beulich 2012-01-02 252
:::::: The code at line 245 was first introduced by commit
:::::: cdcd629869fabcd38ebd24a03b0a05ec1cbcafb0 x86: Fix and improve cmpxchg_double{,_local}()
:::::: TO: Jan Beulich <JBeulich@suse.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 33425 bytes --]
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
[not found] <201901221204.ZqZgxRnA%fengguang.wu@intel.com>
@ 2019-01-22 10:08 ` Borislav Petkov
0 siblings, 0 replies; 7+ messages in thread
From: Borislav Petkov @ 2019-01-22 10:08 UTC (permalink / raw)
To: kbuild test robot; +Cc: Ingo Molnar, kbuild-all, linux-kernel, Thomas Gleixner
On Tue, Jan 22, 2019 at 12:53:11PM +0800, kbuild test robot wrote:
> Hi Ingo,
>
> FYI, the error/warning still remains.
Guys,
we already discussed this:
https://lists.01.org/pipermail/kbuild-all/2018-December/056206.html
but you keep reporting it.
You need to fix your reported issues tracking or otherwise no one will
bother anymore.
Thx.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
^ permalink raw reply [flat|nested] 7+ messages in thread
* arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
@ 2019-01-01 14:02 kbuild test robot
0 siblings, 0 replies; 7+ messages in thread
From: kbuild test robot @ 2019-01-01 14:02 UTC (permalink / raw)
To: Ingo Molnar; +Cc: kbuild-all, linux-kernel, Borislav Petkov, Thomas Gleixner
[-- Attachment #1: Type: text/plain, Size: 4426 bytes --]
Hi Ingo,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e1ef035d272ef4dbfdda98e58699698305138856
commit: ffb61c6346d0f02b2a03377a3edac838c1f09b45 Revert "x86/bug: Macrofy the BUG table section handling, to work around GCC inlining bugs"
date: 13 days ago
config: i386-randconfig-sb0-01012038 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
git checkout ffb61c6346d0f02b2a03377a3edac838c1f09b45
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
In file included from arch/x86/include/asm/atomic.h:8:0,
from include/linux/atomic.h:7,
from include/linux/jump_label.h:250,
from include/linux/static_key.h:1,
from arch/x86/include/asm/nospec-branch.h:6,
from arch/x86/include/asm/paravirt_types.h:46,
from arch/x86/include/asm/ptrace.h:94,
from arch/x86/include/asm/math_emu.h:5,
from arch/x86/include/asm/processor.h:12,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:81,
from include/linux/spinlock.h:51,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from mm/slub.c:13:
mm/slub.c: In function '__slab_free':
>> arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
asm volatile(pfx "cmpxchg%c5b %1" \
^
arch/x86/include/asm/cmpxchg.h:256:2: note: in expansion of macro '__cmpxchg_double'
__cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2)
^
include/asm-generic/atomic-instrumented.h:457:2: note: in expansion of macro 'arch_cmpxchg_double'
arch_cmpxchg_double(__ai_p1, (p2), (o1), (o2), (n1), (n2)); \
^
mm/slub.c:403:7: note: in expansion of macro 'cmpxchg_double'
if (cmpxchg_double(&page->freelist, &page->counters,
^
vim +/asm +245 arch/x86/include/asm/cmpxchg.h
3d94ae0c Jeremy Fitzhardinge 2011-09-28 235
cdcd6298 Jan Beulich 2012-01-02 236 #define __cmpxchg_double(pfx, p1, p2, o1, o2, n1, n2) \
cdcd6298 Jan Beulich 2012-01-02 237 ({ \
cdcd6298 Jan Beulich 2012-01-02 238 bool __ret; \
cdcd6298 Jan Beulich 2012-01-02 239 __typeof__(*(p1)) __old1 = (o1), __new1 = (n1); \
cdcd6298 Jan Beulich 2012-01-02 240 __typeof__(*(p2)) __old2 = (o2), __new2 = (n2); \
cdcd6298 Jan Beulich 2012-01-02 241 BUILD_BUG_ON(sizeof(*(p1)) != sizeof(long)); \
cdcd6298 Jan Beulich 2012-01-02 242 BUILD_BUG_ON(sizeof(*(p2)) != sizeof(long)); \
cdcd6298 Jan Beulich 2012-01-02 243 VM_BUG_ON((unsigned long)(p1) % (2 * sizeof(long))); \
cdcd6298 Jan Beulich 2012-01-02 244 VM_BUG_ON((unsigned long)((p1) + 1) != (unsigned long)(p2)); \
c808c09b Uros Bizjak 2018-09-28 @245 asm volatile(pfx "cmpxchg%c5b %1" \
c808c09b Uros Bizjak 2018-09-28 246 CC_SET(e) \
c808c09b Uros Bizjak 2018-09-28 247 : CC_OUT(e) (__ret), \
c808c09b Uros Bizjak 2018-09-28 248 "+m" (*(p1)), "+m" (*(p2)), \
c808c09b Uros Bizjak 2018-09-28 249 "+a" (__old1), "+d" (__old2) \
c808c09b Uros Bizjak 2018-09-28 250 : "i" (2 * sizeof(long)), \
cdcd6298 Jan Beulich 2012-01-02 251 "b" (__new1), "c" (__new2)); \
cdcd6298 Jan Beulich 2012-01-02 252 __ret; \
cdcd6298 Jan Beulich 2012-01-02 253 })
cdcd6298 Jan Beulich 2012-01-02 254
:::::: The code at line 245 was first introduced by commit
:::::: c808c09b527cd60d9a0d53799935f75e2452174d x86/asm: Use CC_SET()/CC_OUT() in __cmpxchg_double()
:::::: TO: Uros Bizjak <ubizjak@gmail.com>
:::::: CC: Borislav Petkov <bp@suse.de>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 29209 bytes --]
^ permalink raw reply [flat|nested] 7+ messages in thread
* arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
@ 2018-12-12 12:46 kbuild test robot
0 siblings, 0 replies; 7+ messages in thread
From: kbuild test robot @ 2018-12-12 12:46 UTC (permalink / raw)
To: Juergen Gross; +Cc: kbuild-all, linux-kernel, Thomas Gleixner
[-- Attachment #1: Type: text/plain, Size: 3926 bytes --]
Hi Juergen,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f5d582777bcb1c7ff19a5a2343f66ea01de401c6
commit: 6da63eb241a05b0e676d68975e793c0521387141 x86/paravirt: Move the pv_irq_ops under the PARAVIRT_XXL umbrella
date: 3 months ago
config: i386-randconfig-sb0-12121832 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
git checkout 6da63eb241a05b0e676d68975e793c0521387141
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
In file included from arch/x86/include/asm/atomic.h:8:0,
from arch/x86/include/asm/msr.h:67,
from arch/x86/include/asm/processor.h:21,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:81,
from include/linux/spinlock.h:51,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from mm/slub.c:13:
mm/slub.c: In function '__slab_free.isra.84':
>> arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
asm volatile(pfx "cmpxchg%c4b %2; sete %0" \
^
arch/x86/include/asm/cmpxchg.h:254:2: note: in expansion of macro '__cmpxchg_double'
__cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2)
^
include/asm-generic/atomic-instrumented.h:457:2: note: in expansion of macro 'arch_cmpxchg_double'
arch_cmpxchg_double(__ai_p1, (p2), (o1), (o2), (n1), (n2)); \
^
mm/slub.c:403:7: note: in expansion of macro 'cmpxchg_double'
if (cmpxchg_double(&page->freelist, &page->counters,
^
vim +/asm +245 arch/x86/include/asm/cmpxchg.h
3d94ae0c Jeremy Fitzhardinge 2011-09-28 235
cdcd6298 Jan Beulich 2012-01-02 236 #define __cmpxchg_double(pfx, p1, p2, o1, o2, n1, n2) \
cdcd6298 Jan Beulich 2012-01-02 237 ({ \
cdcd6298 Jan Beulich 2012-01-02 238 bool __ret; \
cdcd6298 Jan Beulich 2012-01-02 239 __typeof__(*(p1)) __old1 = (o1), __new1 = (n1); \
cdcd6298 Jan Beulich 2012-01-02 240 __typeof__(*(p2)) __old2 = (o2), __new2 = (n2); \
cdcd6298 Jan Beulich 2012-01-02 241 BUILD_BUG_ON(sizeof(*(p1)) != sizeof(long)); \
cdcd6298 Jan Beulich 2012-01-02 242 BUILD_BUG_ON(sizeof(*(p2)) != sizeof(long)); \
cdcd6298 Jan Beulich 2012-01-02 243 VM_BUG_ON((unsigned long)(p1) % (2 * sizeof(long))); \
cdcd6298 Jan Beulich 2012-01-02 244 VM_BUG_ON((unsigned long)((p1) + 1) != (unsigned long)(p2)); \
cdcd6298 Jan Beulich 2012-01-02 @245 asm volatile(pfx "cmpxchg%c4b %2; sete %0" \
cdcd6298 Jan Beulich 2012-01-02 246 : "=a" (__ret), "+d" (__old2), \
cdcd6298 Jan Beulich 2012-01-02 247 "+m" (*(p1)), "+m" (*(p2)) \
cdcd6298 Jan Beulich 2012-01-02 248 : "i" (2 * sizeof(long)), "a" (__old1), \
cdcd6298 Jan Beulich 2012-01-02 249 "b" (__new1), "c" (__new2)); \
cdcd6298 Jan Beulich 2012-01-02 250 __ret; \
cdcd6298 Jan Beulich 2012-01-02 251 })
cdcd6298 Jan Beulich 2012-01-02 252
:::::: The code at line 245 was first introduced by commit
:::::: cdcd629869fabcd38ebd24a03b0a05ec1cbcafb0 x86: Fix and improve cmpxchg_double{,_local}()
:::::: TO: Jan Beulich <JBeulich@suse.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 24538 bytes --]
^ permalink raw reply [flat|nested] 7+ messages in thread
* arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
@ 2018-12-08 5:37 kbuild test robot
0 siblings, 0 replies; 7+ messages in thread
From: kbuild test robot @ 2018-12-08 5:37 UTC (permalink / raw)
To: Juergen Gross; +Cc: kbuild-all, linux-kernel, Thomas Gleixner
[-- Attachment #1: Type: text/plain, Size: 3926 bytes --]
Hi Juergen,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5f179793f0a73965681db6a3203fa1baabd9b3c3
commit: 6da63eb241a05b0e676d68975e793c0521387141 x86/paravirt: Move the pv_irq_ops under the PARAVIRT_XXL umbrella
date: 3 months ago
config: i386-randconfig-sb0-12081226 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
git checkout 6da63eb241a05b0e676d68975e793c0521387141
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
In file included from arch/x86/include/asm/atomic.h:8:0,
from arch/x86/include/asm/msr.h:67,
from arch/x86/include/asm/processor.h:21,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:81,
from include/linux/spinlock.h:51,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from mm/slub.c:13:
mm/slub.c: In function '__slab_free.isra.74':
>> arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
asm volatile(pfx "cmpxchg%c4b %2; sete %0" \
^
arch/x86/include/asm/cmpxchg.h:254:2: note: in expansion of macro '__cmpxchg_double'
__cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2)
^
include/asm-generic/atomic-instrumented.h:457:2: note: in expansion of macro 'arch_cmpxchg_double'
arch_cmpxchg_double(__ai_p1, (p2), (o1), (o2), (n1), (n2)); \
^
mm/slub.c:403:7: note: in expansion of macro 'cmpxchg_double'
if (cmpxchg_double(&page->freelist, &page->counters,
^
vim +/asm +245 arch/x86/include/asm/cmpxchg.h
3d94ae0c Jeremy Fitzhardinge 2011-09-28 235
cdcd6298 Jan Beulich 2012-01-02 236 #define __cmpxchg_double(pfx, p1, p2, o1, o2, n1, n2) \
cdcd6298 Jan Beulich 2012-01-02 237 ({ \
cdcd6298 Jan Beulich 2012-01-02 238 bool __ret; \
cdcd6298 Jan Beulich 2012-01-02 239 __typeof__(*(p1)) __old1 = (o1), __new1 = (n1); \
cdcd6298 Jan Beulich 2012-01-02 240 __typeof__(*(p2)) __old2 = (o2), __new2 = (n2); \
cdcd6298 Jan Beulich 2012-01-02 241 BUILD_BUG_ON(sizeof(*(p1)) != sizeof(long)); \
cdcd6298 Jan Beulich 2012-01-02 242 BUILD_BUG_ON(sizeof(*(p2)) != sizeof(long)); \
cdcd6298 Jan Beulich 2012-01-02 243 VM_BUG_ON((unsigned long)(p1) % (2 * sizeof(long))); \
cdcd6298 Jan Beulich 2012-01-02 244 VM_BUG_ON((unsigned long)((p1) + 1) != (unsigned long)(p2)); \
cdcd6298 Jan Beulich 2012-01-02 @245 asm volatile(pfx "cmpxchg%c4b %2; sete %0" \
cdcd6298 Jan Beulich 2012-01-02 246 : "=a" (__ret), "+d" (__old2), \
cdcd6298 Jan Beulich 2012-01-02 247 "+m" (*(p1)), "+m" (*(p2)) \
cdcd6298 Jan Beulich 2012-01-02 248 : "i" (2 * sizeof(long)), "a" (__old1), \
cdcd6298 Jan Beulich 2012-01-02 249 "b" (__new1), "c" (__new2)); \
cdcd6298 Jan Beulich 2012-01-02 250 __ret; \
cdcd6298 Jan Beulich 2012-01-02 251 })
cdcd6298 Jan Beulich 2012-01-02 252
:::::: The code at line 245 was first introduced by commit
:::::: cdcd629869fabcd38ebd24a03b0a05ec1cbcafb0 x86: Fix and improve cmpxchg_double{,_local}()
:::::: TO: Jan Beulich <JBeulich@suse.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 33205 bytes --]
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
2018-11-30 6:44 kbuild test robot
@ 2018-11-30 6:55 ` Juergen Gross
0 siblings, 0 replies; 7+ messages in thread
From: Juergen Gross @ 2018-11-30 6:55 UTC (permalink / raw)
To: kbuild test robot; +Cc: kbuild-all, linux-kernel, Thomas Gleixner
On 30/11/2018 07:44, kbuild test robot wrote:
> Hi Juergen,
>
> FYI, the error/warning still remains.
This problem is one of gcc. It is in no way the (direct) result of my
patch. Please see my gcc bug report:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=908154
Juergen
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 94f371cb73944b410a269d570d6946c042f2ddd0
> commit: 6da63eb241a05b0e676d68975e793c0521387141 x86/paravirt: Move the pv_irq_ops under the PARAVIRT_XXL umbrella
> date: 3 months ago
> config: i386-randconfig-sb0-11301144 (attached as .config)
> compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
> reproduce:
> git checkout 6da63eb241a05b0e676d68975e793c0521387141
> # save the attached .config to linux build tree
> make ARCH=i386
>
> All errors (new ones prefixed by >>):
>
> In file included from arch/x86/include/asm/atomic.h:8:0,
> from arch/x86/include/asm/msr.h:67,
> from arch/x86/include/asm/processor.h:21,
> from arch/x86/include/asm/cpufeature.h:5,
> from arch/x86/include/asm/thread_info.h:53,
> from include/linux/thread_info.h:38,
> from arch/x86/include/asm/preempt.h:7,
> from include/linux/preempt.h:81,
> from include/linux/spinlock.h:51,
> from include/linux/mmzone.h:8,
> from include/linux/gfp.h:6,
> from include/linux/mm.h:10,
> from mm/slub.c:13:
> mm/slub.c: In function '__slab_free':
>>> arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
> asm volatile(pfx "cmpxchg%c4b %2; sete %0" \
> ^
> arch/x86/include/asm/cmpxchg.h:254:2: note: in expansion of macro '__cmpxchg_double'
> __cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2)
> ^
> include/asm-generic/atomic-instrumented.h:457:2: note: in expansion of macro 'arch_cmpxchg_double'
> arch_cmpxchg_double(__ai_p1, (p2), (o1), (o2), (n1), (n2)); \
> ^
> mm/slub.c:403:7: note: in expansion of macro 'cmpxchg_double'
> if (cmpxchg_double(&page->freelist, &page->counters,
> ^
>
> vim +/asm +245 arch/x86/include/asm/cmpxchg.h
>
> 3d94ae0c Jeremy Fitzhardinge 2011-09-28 235
> cdcd6298 Jan Beulich 2012-01-02 236 #define __cmpxchg_double(pfx, p1, p2, o1, o2, n1, n2) \
> cdcd6298 Jan Beulich 2012-01-02 237 ({ \
> cdcd6298 Jan Beulich 2012-01-02 238 bool __ret; \
> cdcd6298 Jan Beulich 2012-01-02 239 __typeof__(*(p1)) __old1 = (o1), __new1 = (n1); \
> cdcd6298 Jan Beulich 2012-01-02 240 __typeof__(*(p2)) __old2 = (o2), __new2 = (n2); \
> cdcd6298 Jan Beulich 2012-01-02 241 BUILD_BUG_ON(sizeof(*(p1)) != sizeof(long)); \
> cdcd6298 Jan Beulich 2012-01-02 242 BUILD_BUG_ON(sizeof(*(p2)) != sizeof(long)); \
> cdcd6298 Jan Beulich 2012-01-02 243 VM_BUG_ON((unsigned long)(p1) % (2 * sizeof(long))); \
> cdcd6298 Jan Beulich 2012-01-02 244 VM_BUG_ON((unsigned long)((p1) + 1) != (unsigned long)(p2)); \
> cdcd6298 Jan Beulich 2012-01-02 @245 asm volatile(pfx "cmpxchg%c4b %2; sete %0" \
> cdcd6298 Jan Beulich 2012-01-02 246 : "=a" (__ret), "+d" (__old2), \
> cdcd6298 Jan Beulich 2012-01-02 247 "+m" (*(p1)), "+m" (*(p2)) \
> cdcd6298 Jan Beulich 2012-01-02 248 : "i" (2 * sizeof(long)), "a" (__old1), \
> cdcd6298 Jan Beulich 2012-01-02 249 "b" (__new1), "c" (__new2)); \
> cdcd6298 Jan Beulich 2012-01-02 250 __ret; \
> cdcd6298 Jan Beulich 2012-01-02 251 })
> cdcd6298 Jan Beulich 2012-01-02 252
>
> :::::: The code at line 245 was first introduced by commit
> :::::: cdcd629869fabcd38ebd24a03b0a05ec1cbcafb0 x86: Fix and improve cmpxchg_double{,_local}()
>
> :::::: TO: Jan Beulich <JBeulich@suse.com>
> :::::: CC: Ingo Molnar <mingo@elte.hu>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
>
^ permalink raw reply [flat|nested] 7+ messages in thread
* arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
@ 2018-11-30 6:44 kbuild test robot
2018-11-30 6:55 ` Juergen Gross
0 siblings, 1 reply; 7+ messages in thread
From: kbuild test robot @ 2018-11-30 6:44 UTC (permalink / raw)
To: Juergen Gross; +Cc: kbuild-all, linux-kernel, Thomas Gleixner
[-- Attachment #1: Type: text/plain, Size: 3918 bytes --]
Hi Juergen,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 94f371cb73944b410a269d570d6946c042f2ddd0
commit: 6da63eb241a05b0e676d68975e793c0521387141 x86/paravirt: Move the pv_irq_ops under the PARAVIRT_XXL umbrella
date: 3 months ago
config: i386-randconfig-sb0-11301144 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
git checkout 6da63eb241a05b0e676d68975e793c0521387141
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
In file included from arch/x86/include/asm/atomic.h:8:0,
from arch/x86/include/asm/msr.h:67,
from arch/x86/include/asm/processor.h:21,
from arch/x86/include/asm/cpufeature.h:5,
from arch/x86/include/asm/thread_info.h:53,
from include/linux/thread_info.h:38,
from arch/x86/include/asm/preempt.h:7,
from include/linux/preempt.h:81,
from include/linux/spinlock.h:51,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from mm/slub.c:13:
mm/slub.c: In function '__slab_free':
>> arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints
asm volatile(pfx "cmpxchg%c4b %2; sete %0" \
^
arch/x86/include/asm/cmpxchg.h:254:2: note: in expansion of macro '__cmpxchg_double'
__cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2)
^
include/asm-generic/atomic-instrumented.h:457:2: note: in expansion of macro 'arch_cmpxchg_double'
arch_cmpxchg_double(__ai_p1, (p2), (o1), (o2), (n1), (n2)); \
^
mm/slub.c:403:7: note: in expansion of macro 'cmpxchg_double'
if (cmpxchg_double(&page->freelist, &page->counters,
^
vim +/asm +245 arch/x86/include/asm/cmpxchg.h
3d94ae0c Jeremy Fitzhardinge 2011-09-28 235
cdcd6298 Jan Beulich 2012-01-02 236 #define __cmpxchg_double(pfx, p1, p2, o1, o2, n1, n2) \
cdcd6298 Jan Beulich 2012-01-02 237 ({ \
cdcd6298 Jan Beulich 2012-01-02 238 bool __ret; \
cdcd6298 Jan Beulich 2012-01-02 239 __typeof__(*(p1)) __old1 = (o1), __new1 = (n1); \
cdcd6298 Jan Beulich 2012-01-02 240 __typeof__(*(p2)) __old2 = (o2), __new2 = (n2); \
cdcd6298 Jan Beulich 2012-01-02 241 BUILD_BUG_ON(sizeof(*(p1)) != sizeof(long)); \
cdcd6298 Jan Beulich 2012-01-02 242 BUILD_BUG_ON(sizeof(*(p2)) != sizeof(long)); \
cdcd6298 Jan Beulich 2012-01-02 243 VM_BUG_ON((unsigned long)(p1) % (2 * sizeof(long))); \
cdcd6298 Jan Beulich 2012-01-02 244 VM_BUG_ON((unsigned long)((p1) + 1) != (unsigned long)(p2)); \
cdcd6298 Jan Beulich 2012-01-02 @245 asm volatile(pfx "cmpxchg%c4b %2; sete %0" \
cdcd6298 Jan Beulich 2012-01-02 246 : "=a" (__ret), "+d" (__old2), \
cdcd6298 Jan Beulich 2012-01-02 247 "+m" (*(p1)), "+m" (*(p2)) \
cdcd6298 Jan Beulich 2012-01-02 248 : "i" (2 * sizeof(long)), "a" (__old1), \
cdcd6298 Jan Beulich 2012-01-02 249 "b" (__new1), "c" (__new2)); \
cdcd6298 Jan Beulich 2012-01-02 250 __ret; \
cdcd6298 Jan Beulich 2012-01-02 251 })
cdcd6298 Jan Beulich 2012-01-02 252
:::::: The code at line 245 was first introduced by commit
:::::: cdcd629869fabcd38ebd24a03b0a05ec1cbcafb0 x86: Fix and improve cmpxchg_double{,_local}()
:::::: TO: Jan Beulich <JBeulich@suse.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
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^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2019-01-22 10:08 UTC | newest]
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2018-11-20 10:26 arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints kbuild test robot
2018-11-30 6:44 kbuild test robot
2018-11-30 6:55 ` Juergen Gross
2018-12-08 5:37 kbuild test robot
2018-12-12 12:46 kbuild test robot
2019-01-01 14:02 kbuild test robot
[not found] <201901221204.ZqZgxRnA%fengguang.wu@intel.com>
2019-01-22 10:08 ` Borislav Petkov
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