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Message-ID: <201705240804.LZIbJicL%fengguang.wu@intel.com>
Date: Wed, 24 May 2017 08:23:09 +0800
From: kbuild test robot <fengguang.wu@...el.com>
To: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org
Subject: [rcu:ms 3/3] arch/x86//kernel/tboot.c:107:2: error: unknown field
'mmap_sem' specified in initializer
tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git ms
head: 00b05b63697360b35f5f05b08e24028d6baa292d
commit: 00b05b63697360b35f5f05b08e24028d6baa292d [3/3] Rename mmap_sem to mmap_sem1 to test wrapper application
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
git checkout 00b05b63697360b35f5f05b08e24028d6baa292d
# save the attached .config to linux build tree
make ARCH=x86_64
All error/warnings (new ones prefixed by >>):
>> arch/x86//kernel/tboot.c:107:2: error: unknown field 'mmap_sem' specified in initializer
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^
In file included from include/linux/key.h:23:0,
from include/linux/cred.h:17,
from include/linux/sched/signal.h:9,
from include/linux/ptrace.h:6,
from include/linux/ftrace.h:13,
from include/linux/init_task.h:8,
from arch/x86//kernel/tboot.c:23:
include/linux/rwsem.h:61:34: error: unknown field 'count' specified in initializer
#define __RWSEM_INIT_COUNT(name) .count = ATOMIC_LONG_INIT(RWSEM_UNLOCKED_VALUE)
^
include/linux/rwsem.h:79:4: note: in expansion of macro '__RWSEM_INIT_COUNT'
{ __RWSEM_INIT_COUNT(name), \
^~~~~~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:2: warning: braces around scalar initializer
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^
arch/x86//kernel/tboot.c:107:2: note: (near initialization for 'tboot_mm.nr_ptes.counter')
In file included from include/linux/key.h:23:0,
from include/linux/cred.h:17,
from include/linux/sched/signal.h:9,
from include/linux/ptrace.h:6,
from include/linux/ftrace.h:13,
from include/linux/init_task.h:8,
from arch/x86//kernel/tboot.c:23:
include/linux/rwsem.h:80:4: error: unknown field 'wait_list' specified in initializer
.wait_list = LIST_HEAD_INIT((name).wait_list), \
^
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/preempt.h:10:0,
from include/linux/spinlock.h:50,
from include/linux/rcupdate.h:38,
from include/linux/init_task.h:4,
from arch/x86//kernel/tboot.c:23:
include/linux/list.h:20:30: error: extra brace group at end of initializer
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^
include/linux/rwsem.h:80:17: note: in expansion of macro 'LIST_HEAD_INIT'
.wait_list = LIST_HEAD_INIT((name).wait_list), \
^~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
include/linux/list.h:20:30: note: (near initialization for 'tboot_mm.nr_ptes')
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^
include/linux/rwsem.h:80:17: note: in expansion of macro 'LIST_HEAD_INIT'
.wait_list = LIST_HEAD_INIT((name).wait_list), \
^~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:47: error: 'struct mm_struct' has no member named 'mmap_sem'; did you mean 'mmap_sem1'?
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^
include/linux/list.h:20:34: note: in definition of macro 'LIST_HEAD_INIT'
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^~~~
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:47: error: 'struct mm_struct' has no member named 'mmap_sem'; did you mean 'mmap_sem1'?
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^
include/linux/list.h:20:43: note: in definition of macro 'LIST_HEAD_INIT'
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^~~~
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
include/linux/list.h:20:30: warning: excess elements in struct initializer
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^
include/linux/rwsem.h:80:17: note: in expansion of macro 'LIST_HEAD_INIT'
.wait_list = LIST_HEAD_INIT((name).wait_list), \
^~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
include/linux/list.h:20:30: note: (near initialization for 'tboot_mm.nr_ptes')
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^
include/linux/rwsem.h:80:17: note: in expansion of macro 'LIST_HEAD_INIT'
.wait_list = LIST_HEAD_INIT((name).wait_list), \
^~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/key.h:23:0,
from include/linux/cred.h:17,
from include/linux/sched/signal.h:9,
from include/linux/ptrace.h:6,
from include/linux/ftrace.h:13,
from include/linux/init_task.h:8,
from arch/x86//kernel/tboot.c:23:
include/linux/rwsem.h:81:4: error: unknown field 'wait_lock' specified in initializer
.wait_lock = __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock) \
^
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/spinlock.h:81:0,
from include/linux/rcupdate.h:38,
from include/linux/init_task.h:4,
from arch/x86//kernel/tboot.c:23:
include/linux/spinlock_types.h:60:2: warning: excess elements in struct initializer
(raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname)
^
include/linux/rwsem.h:81:17: note: in expansion of macro '__RAW_SPIN_LOCK_UNLOCKED'
.wait_lock = __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock) \
^~~~~~~~~~~~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types.h:60:2: note: (near initialization for 'tboot_mm.nr_ptes')
(raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname)
^
include/linux/rwsem.h:81:17: note: in expansion of macro '__RAW_SPIN_LOCK_UNLOCKED'
.wait_lock = __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock) \
^~~~~~~~~~~~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/key.h:23:0,
from include/linux/cred.h:17,
from include/linux/sched/signal.h:9,
from include/linux/ptrace.h:6,
from include/linux/ftrace.h:13,
from include/linux/init_task.h:8,
from arch/x86//kernel/tboot.c:23:
>> include/linux/rwsem.h:73:38: error: unknown field 'osq' specified in initializer
#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL
^
>> include/linux/rwsem.h:82:4: note: in expansion of macro '__RWSEM_OPT_INIT'
__RWSEM_OPT_INIT(name) \
^~~~~~~~~~~~~~~~
>> arch/x86//kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/mutex.h:20:0,
from include/linux/sched.h:17,
from include/linux/utsname.h:5,
from include/linux/init_task.h:6,
from arch/x86//kernel/tboot.c:23:
>> include/linux/osq_lock.h:25:27: error: extra brace group at end of initializer
#define OSQ_LOCK_UNLOCKED { ATOMIC_INIT(OSQ_UNLOCKED_VAL) }
^
>> include/linux/rwsem.h:73:45: note: in expansion of macro 'OSQ_LOCK_UNLOCKED'
#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL
^~~~~~~~~~~~~~~~~
--
from include/linux/spinlock.h:50,
from include/linux/rcupdate.h:38,
from include/linux/init_task.h:4,
from arch/x86/kernel/tboot.c:23:
include/linux/list.h:20:30: error: extra brace group at end of initializer
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^
include/linux/rwsem.h:80:17: note: in expansion of macro 'LIST_HEAD_INIT'
.wait_list = LIST_HEAD_INIT((name).wait_list), \
^~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
include/linux/list.h:20:30: note: (near initialization for 'tboot_mm.nr_ptes')
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^
include/linux/rwsem.h:80:17: note: in expansion of macro 'LIST_HEAD_INIT'
.wait_list = LIST_HEAD_INIT((name).wait_list), \
^~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:47: error: 'struct mm_struct' has no member named 'mmap_sem'; did you mean 'mmap_sem1'?
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^
include/linux/list.h:20:34: note: in definition of macro 'LIST_HEAD_INIT'
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:47: error: 'struct mm_struct' has no member named 'mmap_sem'; did you mean 'mmap_sem1'?
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^
include/linux/list.h:20:43: note: in definition of macro 'LIST_HEAD_INIT'
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
include/linux/list.h:20:30: warning: excess elements in struct initializer
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^
include/linux/rwsem.h:80:17: note: in expansion of macro 'LIST_HEAD_INIT'
.wait_list = LIST_HEAD_INIT((name).wait_list), \
^~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
include/linux/list.h:20:30: note: (near initialization for 'tboot_mm.nr_ptes')
#define LIST_HEAD_INIT(name) { &(name), &(name) }
^
include/linux/rwsem.h:80:17: note: in expansion of macro 'LIST_HEAD_INIT'
.wait_list = LIST_HEAD_INIT((name).wait_list), \
^~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/key.h:23:0,
from include/linux/cred.h:17,
from include/linux/sched/signal.h:9,
from include/linux/ptrace.h:6,
from include/linux/ftrace.h:13,
from include/linux/init_task.h:8,
from arch/x86/kernel/tboot.c:23:
include/linux/rwsem.h:81:4: error: unknown field 'wait_lock' specified in initializer
.wait_lock = __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock) \
^
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/spinlock.h:81:0,
from include/linux/rcupdate.h:38,
from include/linux/init_task.h:4,
from arch/x86/kernel/tboot.c:23:
include/linux/spinlock_types.h:60:2: warning: excess elements in struct initializer
(raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname)
^
include/linux/rwsem.h:81:17: note: in expansion of macro '__RAW_SPIN_LOCK_UNLOCKED'
.wait_lock = __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock) \
^~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
include/linux/spinlock_types.h:60:2: note: (near initialization for 'tboot_mm.nr_ptes')
(raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname)
^
include/linux/rwsem.h:81:17: note: in expansion of macro '__RAW_SPIN_LOCK_UNLOCKED'
.wait_lock = __RAW_SPIN_LOCK_UNLOCKED(name.wait_lock) \
^~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/key.h:23:0,
from include/linux/cred.h:17,
from include/linux/sched/signal.h:9,
from include/linux/ptrace.h:6,
from include/linux/ftrace.h:13,
from include/linux/init_task.h:8,
from arch/x86/kernel/tboot.c:23:
>> include/linux/rwsem.h:73:38: error: unknown field 'osq' specified in initializer
#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL
^
>> include/linux/rwsem.h:82:4: note: in expansion of macro '__RWSEM_OPT_INIT'
__RWSEM_OPT_INIT(name) \
^~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/mutex.h:20:0,
from include/linux/sched.h:17,
from include/linux/utsname.h:5,
from include/linux/init_task.h:6,
from arch/x86/kernel/tboot.c:23:
>> include/linux/osq_lock.h:25:27: error: extra brace group at end of initializer
#define OSQ_LOCK_UNLOCKED { ATOMIC_INIT(OSQ_UNLOCKED_VAL) }
^
>> include/linux/rwsem.h:73:45: note: in expansion of macro 'OSQ_LOCK_UNLOCKED'
#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL
^~~~~~~~~~~~~~~~~
>> include/linux/rwsem.h:82:4: note: in expansion of macro '__RWSEM_OPT_INIT'
__RWSEM_OPT_INIT(name) \
^~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
include/linux/osq_lock.h:25:27: note: (near initialization for 'tboot_mm.nr_ptes')
#define OSQ_LOCK_UNLOCKED { ATOMIC_INIT(OSQ_UNLOCKED_VAL) }
^
>> include/linux/rwsem.h:73:45: note: in expansion of macro 'OSQ_LOCK_UNLOCKED'
#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL
^~~~~~~~~~~~~~~~~
>> include/linux/rwsem.h:82:4: note: in expansion of macro '__RWSEM_OPT_INIT'
__RWSEM_OPT_INIT(name) \
^~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from arch/x86/include/asm/msr.h:66:0,
from arch/x86/include/asm/processor.h:20,
from arch/x86/include/asm/cpufeature.h:4,
from arch/x86/include/asm/thread_info.h:52,
from include/linux/thread_info.h:37,
from arch/x86/include/asm/preempt.h:6,
from include/linux/preempt.h:80,
from include/linux/spinlock.h:50,
from include/linux/rcupdate.h:38,
from include/linux/init_task.h:4,
from arch/x86/kernel/tboot.c:23:
>> arch/x86/include/asm/atomic.h:16:24: error: extra brace group at end of initializer
#define ATOMIC_INIT(i) { (i) }
^
>> include/linux/osq_lock.h:25:29: note: in expansion of macro 'ATOMIC_INIT'
#define OSQ_LOCK_UNLOCKED { ATOMIC_INIT(OSQ_UNLOCKED_VAL) }
^~~~~~~~~~~
>> include/linux/rwsem.h:73:45: note: in expansion of macro 'OSQ_LOCK_UNLOCKED'
#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL
^~~~~~~~~~~~~~~~~
>> include/linux/rwsem.h:82:4: note: in expansion of macro '__RWSEM_OPT_INIT'
__RWSEM_OPT_INIT(name) \
^~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/atomic.h:16:24: note: (near initialization for 'tboot_mm.nr_ptes')
#define ATOMIC_INIT(i) { (i) }
^
>> include/linux/osq_lock.h:25:29: note: in expansion of macro 'ATOMIC_INIT'
#define OSQ_LOCK_UNLOCKED { ATOMIC_INIT(OSQ_UNLOCKED_VAL) }
^~~~~~~~~~~
>> include/linux/rwsem.h:73:45: note: in expansion of macro 'OSQ_LOCK_UNLOCKED'
#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL
^~~~~~~~~~~~~~~~~
>> include/linux/rwsem.h:82:4: note: in expansion of macro '__RWSEM_OPT_INIT'
__RWSEM_OPT_INIT(name) \
^~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/mutex.h:20:0,
from include/linux/sched.h:17,
from include/linux/utsname.h:5,
from include/linux/init_task.h:6,
from arch/x86/kernel/tboot.c:23:
>> include/linux/osq_lock.h:25:27: warning: excess elements in struct initializer
#define OSQ_LOCK_UNLOCKED { ATOMIC_INIT(OSQ_UNLOCKED_VAL) }
^
>> include/linux/rwsem.h:73:45: note: in expansion of macro 'OSQ_LOCK_UNLOCKED'
#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL
^~~~~~~~~~~~~~~~~
>> include/linux/rwsem.h:82:4: note: in expansion of macro '__RWSEM_OPT_INIT'
__RWSEM_OPT_INIT(name) \
^~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
include/linux/osq_lock.h:25:27: note: (near initialization for 'tboot_mm.nr_ptes')
#define OSQ_LOCK_UNLOCKED { ATOMIC_INIT(OSQ_UNLOCKED_VAL) }
^
>> include/linux/rwsem.h:73:45: note: in expansion of macro 'OSQ_LOCK_UNLOCKED'
#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL
^~~~~~~~~~~~~~~~~
>> include/linux/rwsem.h:82:4: note: in expansion of macro '__RWSEM_OPT_INIT'
__RWSEM_OPT_INIT(name) \
^~~~~~~~~~~~~~~~
arch/x86/kernel/tboot.c:107:20: note: in expansion of macro '__RWSEM_INITIALIZER'
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
^~~~~~~~~~~~~~~~~~~
In file included from include/linux/key.h:23:0,
from include/linux/cred.h:17,
from include/linux/sched/signal.h:9,
from include/linux/ptrace.h:6,
from include/linux/ftrace.h:13,
from include/linux/init_task.h:8,
from arch/x86/kernel/tboot.c:23:
>> include/linux/rwsem.h:73:64: error: unknown field 'owner' specified in initializer
#define __RWSEM_OPT_INIT(lockname) , .osq = OSQ_LOCK_UNLOCKED, .owner = NULL
^
vim +/mmap_sem +107 arch/x86//kernel/tboot.c
31625340 Joseph Cihula 2009-06-30 17 * this program; if not, write to the Free Software Foundation, Inc.,
31625340 Joseph Cihula 2009-06-30 18 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
31625340 Joseph Cihula 2009-06-30 19 *
31625340 Joseph Cihula 2009-06-30 20 */
31625340 Joseph Cihula 2009-06-30 21
31625340 Joseph Cihula 2009-06-30 22 #include <linux/dma_remapping.h>
31625340 Joseph Cihula 2009-06-30 @23 #include <linux/init_task.h>
31625340 Joseph Cihula 2009-06-30 24 #include <linux/spinlock.h>
69c60c88 Paul Gortmaker 2011-05-26 25 #include <linux/export.h>
69575d38 Shane Wang 2009-09-01 26 #include <linux/delay.h>
31625340 Joseph Cihula 2009-06-30 27 #include <linux/sched.h>
31625340 Joseph Cihula 2009-06-30 28 #include <linux/init.h>
31625340 Joseph Cihula 2009-06-30 29 #include <linux/dmar.h>
69575d38 Shane Wang 2009-09-01 30 #include <linux/cpu.h>
31625340 Joseph Cihula 2009-06-30 31 #include <linux/pfn.h>
31625340 Joseph Cihula 2009-06-30 32 #include <linux/mm.h>
69575d38 Shane Wang 2009-09-01 33 #include <linux/tboot.h>
13bfd47a Qiaowei Ren 2013-06-24 34 #include <linux/debugfs.h>
31625340 Joseph Cihula 2009-06-30 35
c9b77ccb Jarkko Sakkinen 2012-05-08 36 #include <asm/realmode.h>
31625340 Joseph Cihula 2009-06-30 37 #include <asm/processor.h>
31625340 Joseph Cihula 2009-06-30 38 #include <asm/bootparam.h>
31625340 Joseph Cihula 2009-06-30 39 #include <asm/pgtable.h>
31625340 Joseph Cihula 2009-06-30 40 #include <asm/pgalloc.h>
b7f080cf Alexey Dobriyan 2011-06-16 41 #include <asm/swiotlb.h>
81e2d7b3 H. Peter Anvin 2009-08-12 42 #include <asm/fixmap.h>
58c41d28 H. Peter Anvin 2009-08-14 43 #include <asm/proto.h>
31625340 Joseph Cihula 2009-06-30 44 #include <asm/setup.h>
66441bd3 Ingo Molnar 2017-01-27 45 #include <asm/e820/api.h>
31625340 Joseph Cihula 2009-06-30 46 #include <asm/io.h>
31625340 Joseph Cihula 2009-06-30 47
bf8b88e9 Jarkko Sakkinen 2012-05-08 48 #include "../realmode/rm/wakeup.h"
31625340 Joseph Cihula 2009-06-30 49
31625340 Joseph Cihula 2009-06-30 50 /* Global pointer to shared data; NULL means no measured launch. */
31625340 Joseph Cihula 2009-06-30 51 struct tboot *tboot __read_mostly;
cafd6659 Shane Wang 2010-04-29 52 EXPORT_SYMBOL(tboot);
31625340 Joseph Cihula 2009-06-30 53
31625340 Joseph Cihula 2009-06-30 54 /* timeout for APs (in secs) to enter wait-for-SIPI state during shutdown */
31625340 Joseph Cihula 2009-06-30 55 #define AP_WAIT_TIMEOUT 1
31625340 Joseph Cihula 2009-06-30 56
31625340 Joseph Cihula 2009-06-30 57 #undef pr_fmt
31625340 Joseph Cihula 2009-06-30 58 #define pr_fmt(fmt) "tboot: " fmt
31625340 Joseph Cihula 2009-06-30 59
31625340 Joseph Cihula 2009-06-30 60 static u8 tboot_uuid[16] __initdata = TBOOT_UUID;
31625340 Joseph Cihula 2009-06-30 61
31625340 Joseph Cihula 2009-06-30 62 void __init tboot_probe(void)
31625340 Joseph Cihula 2009-06-30 63 {
31625340 Joseph Cihula 2009-06-30 64 /* Look for valid page-aligned address for shared page. */
31625340 Joseph Cihula 2009-06-30 65 if (!boot_params.tboot_addr)
31625340 Joseph Cihula 2009-06-30 66 return;
31625340 Joseph Cihula 2009-06-30 67 /*
31625340 Joseph Cihula 2009-06-30 68 * also verify that it is mapped as we expect it before calling
31625340 Joseph Cihula 2009-06-30 69 * set_fixmap(), to reduce chance of garbage value causing crash
31625340 Joseph Cihula 2009-06-30 70 */
3bce64f0 Ingo Molnar 2017-01-28 71 if (!e820__mapped_any(boot_params.tboot_addr,
09821ff1 Ingo Molnar 2017-01-28 72 boot_params.tboot_addr, E820_TYPE_RESERVED)) {
09821ff1 Ingo Molnar 2017-01-28 73 pr_warning("non-0 tboot_addr but it is not of type E820_TYPE_RESERVED\n");
31625340 Joseph Cihula 2009-06-30 74 return;
31625340 Joseph Cihula 2009-06-30 75 }
31625340 Joseph Cihula 2009-06-30 76
31625340 Joseph Cihula 2009-06-30 77 /* Map and check for tboot UUID. */
31625340 Joseph Cihula 2009-06-30 78 set_fixmap(FIX_TBOOT_BASE, boot_params.tboot_addr);
31625340 Joseph Cihula 2009-06-30 79 tboot = (struct tboot *)fix_to_virt(FIX_TBOOT_BASE);
31625340 Joseph Cihula 2009-06-30 80 if (memcmp(&tboot_uuid, &tboot->uuid, sizeof(tboot->uuid))) {
31625340 Joseph Cihula 2009-06-30 81 pr_warning("tboot at 0x%llx is invalid\n",
31625340 Joseph Cihula 2009-06-30 82 boot_params.tboot_addr);
31625340 Joseph Cihula 2009-06-30 83 tboot = NULL;
31625340 Joseph Cihula 2009-06-30 84 return;
31625340 Joseph Cihula 2009-06-30 85 }
31625340 Joseph Cihula 2009-06-30 86 if (tboot->version < 5) {
31625340 Joseph Cihula 2009-06-30 87 pr_warning("tboot version is invalid: %u\n", tboot->version);
31625340 Joseph Cihula 2009-06-30 88 tboot = NULL;
31625340 Joseph Cihula 2009-06-30 89 return;
31625340 Joseph Cihula 2009-06-30 90 }
31625340 Joseph Cihula 2009-06-30 91
31625340 Joseph Cihula 2009-06-30 92 pr_info("found shared page at phys addr 0x%llx:\n",
31625340 Joseph Cihula 2009-06-30 93 boot_params.tboot_addr);
31625340 Joseph Cihula 2009-06-30 94 pr_debug("version: %d\n", tboot->version);
31625340 Joseph Cihula 2009-06-30 95 pr_debug("log_addr: 0x%08x\n", tboot->log_addr);
31625340 Joseph Cihula 2009-06-30 96 pr_debug("shutdown_entry: 0x%x\n", tboot->shutdown_entry);
31625340 Joseph Cihula 2009-06-30 97 pr_debug("tboot_base: 0x%08x\n", tboot->tboot_base);
31625340 Joseph Cihula 2009-06-30 98 pr_debug("tboot_size: 0x%x\n", tboot->tboot_size);
31625340 Joseph Cihula 2009-06-30 99 }
31625340 Joseph Cihula 2009-06-30 100
11520e5e Linus Torvalds 2012-12-15 101 static pgd_t *tboot_pg_dir;
11520e5e Linus Torvalds 2012-12-15 102 static struct mm_struct tboot_mm = {
11520e5e Linus Torvalds 2012-12-15 103 .mm_rb = RB_ROOT,
11520e5e Linus Torvalds 2012-12-15 104 .pgd = swapper_pg_dir,
11520e5e Linus Torvalds 2012-12-15 105 .mm_users = ATOMIC_INIT(2),
11520e5e Linus Torvalds 2012-12-15 106 .mm_count = ATOMIC_INIT(1),
11520e5e Linus Torvalds 2012-12-15 @107 .mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
11520e5e Linus Torvalds 2012-12-15 108 .page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock),
11520e5e Linus Torvalds 2012-12-15 109 .mmlist = LIST_HEAD_INIT(init_mm.mmlist),
11520e5e Linus Torvalds 2012-12-15 110 };
:::::: The code at line 107 was first introduced by commit
:::::: 11520e5e7c1855fc3bf202bb3be35a39d9efa034 Revert "x86-64/efi: Use EFI to deal with platform wall clock (again)"
:::::: TO: Linus Torvalds <torvalds@...ux-foundation.org>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
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