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| author | Ingo Molnar <mingo@elte.hu> | 2006-07-03 00:25:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-03 15:27:09 -0700 |
| commit | 60be6b9a41cb0da0df7a9f11486da56baebf04cd (patch) | |
| tree | 26cb558d0d57183fdbf9136ad54b581328d6f016 | |
| parent | 366c7f554e888e51b8395f9b07b273fe775c7ff3 (diff) | |
| download | linux-60be6b9a41cb0da0df7a9f11486da56baebf04cd.tar.gz linux-60be6b9a41cb0da0df7a9f11486da56baebf04cd.tar.bz2 linux-60be6b9a41cb0da0df7a9f11486da56baebf04cd.zip | |
[PATCH] lockdep: annotate on-stack completions
lockdep needs to have the waitqueue lock initialized for on-stack waitqueues
implicitly initialized by DECLARE_COMPLETION(). Annotate on-stack completions
accordingly.
Has no effect on non-lockdep kernels.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/x86_64/kernel/smpboot.c | 2 | ||||
| -rw-r--r-- | block/ll_rw_blk.c | 2 | ||||
| -rw-r--r-- | drivers/ide/ide-io.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/libata-core.c | 2 | ||||
| -rw-r--r-- | drivers/spi/spi.c | 2 | ||||
| -rw-r--r-- | kernel/kmod.c | 2 |
6 files changed, 7 insertions, 5 deletions
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 9705a6a384f1..b7c705969791 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -775,6 +775,8 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid) }; DECLARE_WORK(work, do_fork_idle, &c_idle); + lockdep_set_class(&c_idle.done.wait.lock, &waitqueue_lock_key); + /* allocate memory for gdts of secondary cpus. Hotplug is considered */ if (!cpu_gdt_descr[cpu].address && !(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) { diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 5813d63c20af..ab17c7224bb6 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -2516,7 +2516,7 @@ EXPORT_SYMBOL_GPL(blk_execute_rq_nowait); int blk_execute_rq(request_queue_t *q, struct gendisk *bd_disk, struct request *rq, int at_head) { - DECLARE_COMPLETION(wait); + DECLARE_COMPLETION_ONSTACK(wait); char sense[SCSI_SENSE_BUFFERSIZE]; int err = 0; diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index d6bf1ec96322..fb6795236e76 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -1705,7 +1705,7 @@ int ide_do_drive_cmd (ide_drive_t *drive, struct request *rq, ide_action_t actio { unsigned long flags; ide_hwgroup_t *hwgroup = HWGROUP(drive); - DECLARE_COMPLETION(wait); + DECLARE_COMPLETION_ONSTACK(wait); int where = ELEVATOR_INSERT_BACK, err; int must_wait = (action == ide_wait || action == ide_head_wait); diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 82caba464291..1c960ac1617f 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -1001,7 +1001,7 @@ unsigned ata_exec_internal(struct ata_device *dev, struct ata_queued_cmd *qc; unsigned int tag, preempted_tag; u32 preempted_sactive, preempted_qc_active; - DECLARE_COMPLETION(wait); + DECLARE_COMPLETION_ONSTACK(wait); unsigned long flags; unsigned int err_mask; int rc; diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index ed1cdf6ac8f3..146298ad7371 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -510,7 +510,7 @@ static void spi_complete(void *arg) */ int spi_sync(struct spi_device *spi, struct spi_message *message) { - DECLARE_COMPLETION(done); + DECLARE_COMPLETION_ONSTACK(done); int status; message->complete = spi_complete; diff --git a/kernel/kmod.c b/kernel/kmod.c index 1b7157af051c..1d32defa38ab 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -233,7 +233,7 @@ static void __call_usermodehelper(void *data) int call_usermodehelper_keys(char *path, char **argv, char **envp, struct key *session_keyring, int wait) { - DECLARE_COMPLETION(done); + DECLARE_COMPLETION_ONSTACK(done); struct subprocess_info sub_info = { .complete = &done, .path = path, |