From: kbuild test robot <fengguang.wu@intel.com>
Cc: kbuild-all@01.org, linux-mm@kvack.org,
Michal Hocko <mhocko@suse.com>, Jason Baron <jbaron@akamai.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [memcg:auto-latest 238/243] include/linux/compiler-gcc.h:243:38: error: impossible constraint in 'asm'
Date: Sat, 30 Jul 2016 05:04:07 +0800 [thread overview]
Message-ID: <201607300506.W5FnCSrY%fengguang.wu@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git auto-latest
head: a7bf930624bb1d3368b71b79c5e3351b5d03aa9f
commit: 966a2c66863bb2d984b9b49aee271de502cf8747 [238/243] dynamic_debug: add jump label support
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 5.4.0-6) 5.4.0 20160609
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
git checkout 966a2c66863bb2d984b9b49aee271de502cf8747
# save the attached .config to linux build tree
make.cross ARCH=arm
All errors (new ones prefixed by >>):
In file included from include/linux/compiler.h:58:0,
from include/linux/linkage.h:4,
from include/linux/kernel.h:6,
from drivers/crypto/ux500/cryp/cryp_irq.c:11:
arch/arm/include/asm/jump_label.h: In function 'cryp_enable_irq_src':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
>> include/linux/compiler-gcc.h:243:38: error: impossible constraint in 'asm'
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
arch/arm/include/asm/jump_label.h: In function 'cryp_disable_irq_src':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
--
In file included from include/linux/compiler.h:58:0,
from include/linux/err.h:4,
from include/linux/clk.h:15,
from drivers/crypto/ux500/cryp/cryp_core.c:12:
arch/arm/include/asm/jump_label.h: In function 'cryp_interrupt_handler':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
>> include/linux/compiler-gcc.h:243:38: error: impossible constraint in 'asm'
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
arch/arm/include/asm/jump_label.h: In function 'cfg_iv':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
arch/arm/include/asm/jump_label.h: In function 'cfg_ivs':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
arch/arm/include/asm/jump_label.h: In function 'set_key':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
arch/arm/include/asm/jump_label.h: In function 'cfg_keys':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
arch/arm/include/asm/jump_label.h: In function 'cryp_get_device_data':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
arch/arm/include/asm/jump_label.h: In function 'cryp_dma_out_callback':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
arch/arm/include/asm/jump_label.h: In function 'cryp_set_dma_transfer':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
arch/arm/include/asm/jump_label.h: In function 'cryp_dma_done':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
arch/arm/include/asm/jump_label.h: In function 'cryp_dma_write':
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
^
arch/arm/include/asm/jump_label.h:13:2: note: in expansion of macro 'asm_volatile_goto'
asm_volatile_goto("1:\n\t"
^
include/linux/compiler-gcc.h:243:38: warning: asm operand 0 probably doesn't match constraints
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
vim +/asm +243 include/linux/compiler-gcc.h
a744fd17 Rasmus Villemoes 2015-11-05 227 * returning extra information in the low bits (but in that case the
a744fd17 Rasmus Villemoes 2015-11-05 228 * compiler should see some alignment anyway, when the return value is
a744fd17 Rasmus Villemoes 2015-11-05 229 * massaged by 'flags = ptr & 3; ptr &= ~3;').
a744fd17 Rasmus Villemoes 2015-11-05 230 */
a744fd17 Rasmus Villemoes 2015-11-05 231 #define __assume_aligned(a, ...) __attribute__((__assume_aligned__(a, ## __VA_ARGS__)))
a744fd17 Rasmus Villemoes 2015-11-05 232 #endif
a744fd17 Rasmus Villemoes 2015-11-05 233
cb984d10 Joe Perches 2015-06-25 234 /*
cb984d10 Joe Perches 2015-06-25 235 * GCC 'asm goto' miscompiles certain code sequences:
cb984d10 Joe Perches 2015-06-25 236 *
cb984d10 Joe Perches 2015-06-25 237 * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
cb984d10 Joe Perches 2015-06-25 238 *
cb984d10 Joe Perches 2015-06-25 239 * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
cb984d10 Joe Perches 2015-06-25 240 *
cb984d10 Joe Perches 2015-06-25 241 * (asm goto is automatically volatile - the naming reflects this.)
cb984d10 Joe Perches 2015-06-25 242 */
cb984d10 Joe Perches 2015-06-25 @243 #define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
cb984d10 Joe Perches 2015-06-25 244
cb984d10 Joe Perches 2015-06-25 245 #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
cb984d10 Joe Perches 2015-06-25 246 #if GCC_VERSION >= 40400
cb984d10 Joe Perches 2015-06-25 247 #define __HAVE_BUILTIN_BSWAP32__
cb984d10 Joe Perches 2015-06-25 248 #define __HAVE_BUILTIN_BSWAP64__
cb984d10 Joe Perches 2015-06-25 249 #endif
8634de6d Josh Poimboeuf 2016-05-06 250 #if GCC_VERSION >= 40800
cb984d10 Joe Perches 2015-06-25 251 #define __HAVE_BUILTIN_BSWAP16__
:::::: The code at line 243 was first introduced by commit
:::::: cb984d101b30eb7478d32df56a0023e4603cba7f compiler-gcc: integrate the various compiler-gcc[345].h files
:::::: TO: Joe Perches <joe@perches.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next reply other threads:[~2016-07-29 20:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-29 21:04 kbuild test robot [this message]
2016-07-31 12:11 ` Michal Hocko
2016-08-01 11:09 ` Michal Hocko
2016-08-01 11:27 ` Martin Liška
2016-08-01 12:41 ` oliver
2016-08-03 5:17 ` Balbir Singh
2016-08-02 15:18 ` Jason Baron
2016-08-01 15:00 ` Jason Baron
2016-08-01 15:29 ` Michal Hocko
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