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seqlock: Get rid of SEQLOCK_UNLOCKED

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All static seqlock should be initialized with the lockdep friendly
__SEQLOCK_UNLOCKED() macro.

Remove legacy SEQLOCK_UNLOCKED() macro.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>
Link: http://lkml.kernel.org/r/%3C1306238888.3026.31.camel%40edumazet-laptop%3E
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Eric Dumazet 2011-05-24 14:08:08 +02:00 committed by Thomas Gleixner
parent d762f43831
commit c4dbe54ed7
4 changed files with 3 additions and 6 deletions
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2
arch/ia64/kernel/time.c
View File

@ -36,7 +36,7 @@
static cycle_t itc_get_cycles(struct clocksource *cs);
struct fsyscall_gtod_data_t fsyscall_gtod_data = {
.lock = SEQLOCK_UNLOCKED,
.lock = __SEQLOCK_UNLOCKED(fsyscall_gtod_data.lock),
};
struct itc_jitter_data_t itc_jitter_data;

2
arch/x86/kernel/vsyscall_64.c
View File

@ -59,7 +59,7 @@ int __vgetcpu_mode __section_vgetcpu_mode;
struct vsyscall_gtod_data __vsyscall_gtod_data __section_vsyscall_gtod_data =
{
.lock = SEQLOCK_UNLOCKED,
.lock = __SEQLOCK_UNLOCKED(__vsyscall_gtod_data.lock),
.sysctl_enabled = 1,
};

3
include/linux/seqlock.h
View File

@ -41,9 +41,6 @@ typedef struct {
#define __SEQLOCK_UNLOCKED(lockname) \
{ 0, __SPIN_LOCK_UNLOCKED(lockname) }
#define SEQLOCK_UNLOCKED \
__SEQLOCK_UNLOCKED(old_style_seqlock_init)
#define seqlock_init(x) \
do { \
(x)->sequence = 0; \

2
net/ipv4/inet_connection_sock.c
View File

@ -33,7 +33,7 @@ EXPORT_SYMBOL(inet_csk_timer_bug_msg);
* This struct holds the first and last local port number.
*/
struct local_ports sysctl_local_ports __read_mostly = {
.lock = SEQLOCK_UNLOCKED,
.lock = __SEQLOCK_UNLOCKED(sysctl_local_ports.lock),
.range = { 32768, 61000 },
};