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Message-ID: <201603100200.vsifj39U%fengguang.wu@intel.com>
Date: Thu, 10 Mar 2016 02:23:35 +0800
From: kbuild test robot <lkp@...el.com>
To: Benjamin LaHaise <bcrl@...ck.org>
Cc: kbuild-all@...org, Ingo Molnar <mingo@...hat.com>,
Russell King <rmk@....linux.org.uk>,
Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86_32: add support for 64 bit __get_user()
Hi Benjamin,
[auto build test ERROR on tip/x86/core]
[also build test ERROR on v4.5-rc7 next-20160309]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Benjamin-LaHaise/x86_32-add-support-for-64-bit-__get_user/20160310-012551
config: x86_64-randconfig-s0-03100154 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All error/warnings (new ones prefixed by >>):
arch/x86/kernel/ptrace.c: Assembler messages:
>> arch/x86/kernel/ptrace.c:531: Error: operand type mismatch for `movq'
>> arch/x86/kernel/ptrace.c:535: Error: incorrect register `%dx' used with `q' suffix
--
In file included from include/linux/thread_info.h:11:0,
from arch/x86/include/asm/preempt.h:6,
from include/linux/preempt.h:59,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:35,
from include/linux/time.h:5,
from include/uapi/linux/timex.h:56,
from include/linux/timex.h:56,
from include/linux/sched.h:19,
from fs/select.c:18:
fs/select.c: In function 'SyS_pselect6':
>> include/linux/bug.h:33:45: error: unsupported operand size for extended register
#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
^
>> include/linux/syscalls.h:108:31: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
#define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
^
>> include/linux/syscalls.h:93:23: note: in expansion of macro '__SC_TEST'
#define __MAP1(m,t,a) m(t,a)
^
include/linux/syscalls.h:94:35: note: in expansion of macro '__MAP1'
#define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
^
include/linux/syscalls.h:95:35: note: in expansion of macro '__MAP2'
#define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
^
include/linux/syscalls.h:96:35: note: in expansion of macro '__MAP3'
#define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
^
include/linux/syscalls.h:97:35: note: in expansion of macro '__MAP4'
#define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
^
>> include/linux/syscalls.h:98:35: note: in expansion of macro '__MAP5'
#define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
^
>> include/linux/syscalls.h:99:22: note: in expansion of macro '__MAP6'
#define __MAP(n,...) __MAP##n(__VA_ARGS__)
^
include/linux/syscalls.h:202:3: note: in expansion of macro '__MAP'
__MAP(x,__SC_TEST,__VA_ARGS__); \
^
include/linux/syscalls.h:191:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^
include/linux/syscalls.h:187:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
^
>> fs/select.c:700:1: note: in expansion of macro 'SYSCALL_DEFINE6'
SYSCALL_DEFINE6(pselect6, int, n, fd_set __user *, inp, fd_set __user *, outp,
^
>> include/linux/bug.h:33:45: error: unsupported operand size for extended register
#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
^
>> include/linux/syscalls.h:108:31: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
#define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
^
>> include/linux/syscalls.h:93:23: note: in expansion of macro '__SC_TEST'
#define __MAP1(m,t,a) m(t,a)
^
include/linux/syscalls.h:94:35: note: in expansion of macro '__MAP1'
#define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
^
include/linux/syscalls.h:95:35: note: in expansion of macro '__MAP2'
#define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
^
include/linux/syscalls.h:96:35: note: in expansion of macro '__MAP3'
#define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
^
include/linux/syscalls.h:97:35: note: in expansion of macro '__MAP4'
#define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
^
>> include/linux/syscalls.h:98:35: note: in expansion of macro '__MAP5'
#define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
^
>> include/linux/syscalls.h:99:22: note: in expansion of macro '__MAP6'
#define __MAP(n,...) __MAP##n(__VA_ARGS__)
^
include/linux/syscalls.h:202:3: note: in expansion of macro '__MAP'
__MAP(x,__SC_TEST,__VA_ARGS__); \
^
include/linux/syscalls.h:191:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^
include/linux/syscalls.h:187:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
^
>> fs/select.c:700:1: note: in expansion of macro 'SYSCALL_DEFINE6'
SYSCALL_DEFINE6(pselect6, int, n, fd_set __user *, inp, fd_set __user *, outp,
^
>> include/linux/bug.h:33:45: error: unsupported operand size for extended register
#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
^
>> include/linux/syscalls.h:108:31: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
#define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
^
>> include/linux/syscalls.h:93:23: note: in expansion of macro '__SC_TEST'
#define __MAP1(m,t,a) m(t,a)
^
include/linux/syscalls.h:94:35: note: in expansion of macro '__MAP1'
#define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
^
include/linux/syscalls.h:95:35: note: in expansion of macro '__MAP2'
#define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
^
include/linux/syscalls.h:96:35: note: in expansion of macro '__MAP3'
#define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
^
include/linux/syscalls.h:97:35: note: in expansion of macro '__MAP4'
#define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
^
>> include/linux/syscalls.h:98:35: note: in expansion of macro '__MAP5'
#define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
^
>> include/linux/syscalls.h:99:22: note: in expansion of macro '__MAP6'
#define __MAP(n,...) __MAP##n(__VA_ARGS__)
^
include/linux/syscalls.h:202:3: note: in expansion of macro '__MAP'
__MAP(x,__SC_TEST,__VA_ARGS__); \
^
include/linux/syscalls.h:191:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^
include/linux/syscalls.h:187:36: note: in expansion of macro 'SYSCALL_DEFINEx'
#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
^
>> fs/select.c:700:1: note: in expansion of macro 'SYSCALL_DEFINE6'
SYSCALL_DEFINE6(pselect6, int, n, fd_set __user *, inp, fd_set __user *, outp,
^
>> include/linux/bug.h:33:45: error: unsupported operand size for extended register
#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
^
>> include/linux/syscalls.h:108:31: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
#define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
^
--
fs/compat.c: In function 'compat_SyS_fcntl64':
>> fs/compat.c:417:1: error: unsupported operand size for extended register
COMPAT_SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
^
>> fs/compat.c:417:1: error: unsupported operand size for extended register
>> fs/compat.c:417:1: error: unsupported operand size for extended register
>> fs/compat.c:417:1: error: unsupported operand size for extended register
>> fs/compat.c:417:1: error: unsupported operand size for extended register
>> fs/compat.c:417:1: error: unsupported operand size for extended register
--
kernel/ptrace.c: In function 'ptrace_request':
>> kernel/ptrace.c:1058:1: error: unsupported operand size for extended register
}
^
>> kernel/ptrace.c:1058:1: error: unsupported operand size for extended register
>> kernel/ptrace.c:1058:1: error: unsupported operand size for extended register
>> kernel/ptrace.c:1058:1: error: unsupported operand size for extended register
>> kernel/ptrace.c:1058:1: error: unsupported operand size for extended register
>> kernel/ptrace.c:1058:1: error: unsupported operand size for extended register
--
kernel/signal.c: In function 'do_sigaltstack':
>> kernel/signal.c:3154:1: error: unsupported operand size for extended register
}
^
>> kernel/signal.c:3154:1: error: unsupported operand size for extended register
>> kernel/signal.c:3154:1: error: unsupported operand size for extended register
>> kernel/signal.c:3154:1: error: unsupported operand size for extended register
>> kernel/signal.c:3154:1: error: unsupported operand size for extended register
>> kernel/signal.c:3154:1: error: unsupported operand size for extended register
--
net/socket.c: In function 'copy_msghdr_from_user':
>> net/socket.c:1873:1: error: unsupported operand size for extended register
}
^
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
>> net/socket.c:1873:1: error: unsupported operand size for extended register
vim +531 arch/x86/kernel/ptrace.c
91e7b707 Roland McGrath 2008-01-30 525 }
91e7b707 Roland McGrath 2008-01-30 526 } else {
91e7b707 Roland McGrath 2008-01-30 527 const unsigned long __user *u = ubuf;
04a1e62c Linus Torvalds 2009-12-17 528 while (count >= sizeof(*u) && !ret) {
91e7b707 Roland McGrath 2008-01-30 529 unsigned long word;
91e7b707 Roland McGrath 2008-01-30 530 ret = __get_user(word, u++);
91e7b707 Roland McGrath 2008-01-30 @531 if (ret)
91e7b707 Roland McGrath 2008-01-30 532 break;
91e7b707 Roland McGrath 2008-01-30 533 ret = putreg(target, pos, word);
91e7b707 Roland McGrath 2008-01-30 534 count -= sizeof(*u);
91e7b707 Roland McGrath 2008-01-30 @535 pos += sizeof(*u);
91e7b707 Roland McGrath 2008-01-30 536 }
91e7b707 Roland McGrath 2008-01-30 537 }
91e7b707 Roland McGrath 2008-01-30 538 return ret;
:::::: The code at line 531 was first introduced by commit
:::::: 91e7b707a4776185f91f03bd052aa53af820094e x86: x86 user_regset general regs
:::::: TO: Roland McGrath <roland@...hat.com>
:::::: CC: Ingo Molnar <mingo@...e.hu>
---
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