[PATCH] completions: lockdep annotate on stack completions

From: Peter Zijlstra
Date: Thu Sep 28 2006 - 05:54:12 EST



All on stack DECLARE_COMPLETIONs should be replaced by:
DECLARE_COMPLETION_ONSTACK

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Acked-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/arm/kernel/ecard.c | 2 +-
arch/i386/kernel/smpboot.c | 2 +-
arch/powerpc/platforms/powermac/cpufreq_64.c | 2 +-
arch/powerpc/platforms/powermac/nvram.c | 4 ++--
block/as-iosched.c | 2 +-
block/cfq-iosched.c | 2 +-
drivers/block/DAC960.c | 2 +-
drivers/block/cciss.c | 6 +++---
drivers/block/cciss_scsi.c | 2 +-
drivers/block/paride/pd.c | 2 +-
drivers/block/pktcdvd.c | 2 +-
drivers/ide/ide-tape.c | 2 +-
drivers/macintosh/smu.c | 4 ++--
drivers/macintosh/windfarm_smu_controls.c | 2 +-
drivers/macintosh/windfarm_smu_sensors.c | 2 +-
drivers/s390/scsi/zfcp_scsi.c | 2 +-
drivers/scsi/53c700.c | 2 +-
drivers/scsi/aic7xxx/aic79xx_osm.c | 4 ++--
drivers/scsi/aic7xxx/aic7xxx_osm.c | 2 +-
drivers/scsi/gdth.c | 4 ++--
drivers/scsi/qla1280.c | 4 ++--
drivers/usb/gadget/inode.c | 2 +-
drivers/usb/gadget/omap_udc.c | 2 +-
net/ipv4/ipvs/ip_vs_sync.c | 2 +-
24 files changed, 31 insertions(+), 31 deletions(-)

Index: linux-2.6/arch/arm/kernel/ecard.c
===================================================================
--- linux-2.6.orig/arch/arm/kernel/ecard.c
+++ linux-2.6/arch/arm/kernel/ecard.c
@@ -295,7 +295,7 @@ ecard_task(void * unused)
*/
static void ecard_call(struct ecard_request *req)
{
- DECLARE_COMPLETION(completion);
+ DECLARE_COMPLETION_ONSTACK(completion);

req->complete = &completion;

Index: linux-2.6/arch/i386/kernel/smpboot.c
===================================================================
--- linux-2.6.orig/arch/i386/kernel/smpboot.c
+++ linux-2.6/arch/i386/kernel/smpboot.c
@@ -1058,7 +1058,7 @@ static void __cpuinit do_warm_boot_cpu(v

static int __cpuinit __smp_prepare_cpu(int cpu)
{
- DECLARE_COMPLETION(done);
+ DECLARE_COMPLETION_ONSTACK(done);
struct warm_boot_cpu_info info;
struct work_struct task;
int apicid, ret;
Index: linux-2.6/arch/powerpc/platforms/powermac/cpufreq_64.c
===================================================================
--- linux-2.6.orig/arch/powerpc/platforms/powermac/cpufreq_64.c
+++ linux-2.6/arch/powerpc/platforms/powermac/cpufreq_64.c
@@ -104,7 +104,7 @@ static void g5_smu_switch_volt(int speed
{
struct smu_simple_cmd cmd;

- DECLARE_COMPLETION(comp);
+ DECLARE_COMPLETION_ONSTACK(comp);
smu_queue_simple(&cmd, SMU_CMD_POWER_COMMAND, 8, smu_done_complete,
&comp, 'V', 'S', 'L', 'E', 'W',
0xff, g5_fvt_cur+1, speed_mode);
Index: linux-2.6/arch/powerpc/platforms/powermac/nvram.c
===================================================================
--- linux-2.6.orig/arch/powerpc/platforms/powermac/nvram.c
+++ linux-2.6/arch/powerpc/platforms/powermac/nvram.c
@@ -195,7 +195,7 @@ static void pmu_nvram_complete(struct ad
static unsigned char pmu_nvram_read_byte(int addr)
{
struct adb_request req;
- DECLARE_COMPLETION(req_complete);
+ DECLARE_COMPLETION_ONSTACK(req_complete);

req.arg = system_state == SYSTEM_RUNNING ? &req_complete : NULL;
if (pmu_request(&req, pmu_nvram_complete, 3, PMU_READ_NVRAM,
@@ -211,7 +211,7 @@ static unsigned char pmu_nvram_read_byte
static void pmu_nvram_write_byte(int addr, unsigned char val)
{
struct adb_request req;
- DECLARE_COMPLETION(req_complete);
+ DECLARE_COMPLETION_ONSTACK(req_complete);

req.arg = system_state == SYSTEM_RUNNING ? &req_complete : NULL;
if (pmu_request(&req, pmu_nvram_complete, 4, PMU_WRITE_NVRAM,
Index: linux-2.6/block/as-iosched.c
===================================================================
--- linux-2.6.orig/block/as-iosched.c
+++ linux-2.6/block/as-iosched.c
@@ -1828,7 +1828,7 @@ static int __init as_init(void)

static void __exit as_exit(void)
{
- DECLARE_COMPLETION(all_gone);
+ DECLARE_COMPLETION_ONSTACK(all_gone);
elv_unregister(&iosched_as);
ioc_gone = &all_gone;
/* ioc_gone's update must be visible before reading ioc_count */
Index: linux-2.6/block/cfq-iosched.c
===================================================================
--- linux-2.6.orig/block/cfq-iosched.c
+++ linux-2.6/block/cfq-iosched.c
@@ -2463,7 +2463,7 @@ static int __init cfq_init(void)

static void __exit cfq_exit(void)
{
- DECLARE_COMPLETION(all_gone);
+ DECLARE_COMPLETION_ONSTACK(all_gone);
elv_unregister(&iosched_cfq);
ioc_gone = &all_gone;
/* ioc_gone's update must be visible before reading ioc_count */
Index: linux-2.6/drivers/block/DAC960.c
===================================================================
--- linux-2.6.orig/drivers/block/DAC960.c
+++ linux-2.6/drivers/block/DAC960.c
@@ -770,7 +770,7 @@ static void DAC960_P_QueueCommand(DAC960
static void DAC960_ExecuteCommand(DAC960_Command_T *Command)
{
DAC960_Controller_T *Controller = Command->Controller;
- DECLARE_COMPLETION(Completion);
+ DECLARE_COMPLETION_ONSTACK(Completion);
unsigned long flags;
Command->Completion = &Completion;

Index: linux-2.6/drivers/block/cciss.c
===================================================================
--- linux-2.6.orig/drivers/block/cciss.c
+++ linux-2.6/drivers/block/cciss.c
@@ -879,7 +879,7 @@ static int cciss_ioctl(struct inode *ino
char *buff = NULL;
u64bit temp64;
unsigned long flags;
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);

if (!arg)
return -EINVAL;
@@ -997,7 +997,7 @@ static int cciss_ioctl(struct inode *ino
BYTE sg_used = 0;
int status = 0;
int i;
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);
__u32 left;
__u32 sz;
BYTE __user *data_ptr;
@@ -1792,7 +1792,7 @@ static int sendcmd_withirq(__u8 cmd,
u64bit buff_dma_handle;
unsigned long flags;
int return_status;
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);

if ((c = cmd_alloc(h, 0)) == NULL)
return -ENOMEM;
Index: linux-2.6/drivers/block/cciss_scsi.c
===================================================================
--- linux-2.6.orig/drivers/block/cciss_scsi.c
+++ linux-2.6/drivers/block/cciss_scsi.c
@@ -766,7 +766,7 @@ cciss_scsi_do_simple_cmd(ctlr_info_t *c,
int direction)
{
unsigned long flags;
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);

cp->cmd_type = CMD_IOCTL_PEND; // treat this like an ioctl
cp->scsi_cmd = NULL;
Index: linux-2.6/drivers/block/paride/pd.c
===================================================================
--- linux-2.6.orig/drivers/block/paride/pd.c
+++ linux-2.6/drivers/block/paride/pd.c
@@ -713,7 +713,7 @@ static void do_pd_request(request_queue_
static int pd_special_command(struct pd_unit *disk,
enum action (*func)(struct pd_unit *disk))
{
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);
struct request rq;
int err = 0;

Index: linux-2.6/drivers/block/pktcdvd.c
===================================================================
--- linux-2.6.orig/drivers/block/pktcdvd.c
+++ linux-2.6/drivers/block/pktcdvd.c
@@ -348,7 +348,7 @@ static int pkt_generic_packet(struct pkt
char sense[SCSI_SENSE_BUFFERSIZE];
request_queue_t *q;
struct request *rq;
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);
int err = 0;

q = bdev_get_queue(pd->bdev);
Index: linux-2.6/drivers/ide/ide-tape.c
===================================================================
--- linux-2.6.orig/drivers/ide/ide-tape.c
+++ linux-2.6/drivers/ide/ide-tape.c
@@ -2764,7 +2764,7 @@ static void idetape_add_stage_tail (ide_
*/
static void idetape_wait_for_request (ide_drive_t *drive, struct request *rq)
{
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);
idetape_tape_t *tape = drive->driver_data;

#if IDETAPE_DEBUG_BUGS
Index: linux-2.6/drivers/macintosh/smu.c
===================================================================
--- linux-2.6.orig/drivers/macintosh/smu.c
+++ linux-2.6/drivers/macintosh/smu.c
@@ -870,7 +870,7 @@ int smu_queue_i2c(struct smu_i2c_cmd *cm

static int smu_read_datablock(u8 *dest, unsigned int addr, unsigned int len)
{
- DECLARE_COMPLETION(comp);
+ DECLARE_COMPLETION_ONSTACK(comp);
unsigned int chunk;
struct smu_cmd cmd;
int rc;
@@ -917,7 +917,7 @@ static int smu_read_datablock(u8 *dest,

static struct smu_sdbp_header *smu_create_sdb_partition(int id)
{
- DECLARE_COMPLETION(comp);
+ DECLARE_COMPLETION_ONSTACK(comp);
struct smu_simple_cmd cmd;
unsigned int addr, len, tlen;
struct smu_sdbp_header *hdr;
Index: linux-2.6/drivers/macintosh/windfarm_smu_controls.c
===================================================================
--- linux-2.6.orig/drivers/macintosh/windfarm_smu_controls.c
+++ linux-2.6/drivers/macintosh/windfarm_smu_controls.c
@@ -56,7 +56,7 @@ static int smu_set_fan(int pwm, u8 id, u
{
struct smu_cmd cmd;
u8 buffer[16];
- DECLARE_COMPLETION(comp);
+ DECLARE_COMPLETION_ONSTACK(comp);
int rc;

/* Fill SMU command structure */
Index: linux-2.6/drivers/macintosh/windfarm_smu_sensors.c
===================================================================
--- linux-2.6.orig/drivers/macintosh/windfarm_smu_sensors.c
+++ linux-2.6/drivers/macintosh/windfarm_smu_sensors.c
@@ -67,7 +67,7 @@ static void smu_ads_release(struct wf_se
static int smu_read_adc(u8 id, s32 *value)
{
struct smu_simple_cmd cmd;
- DECLARE_COMPLETION(comp);
+ DECLARE_COMPLETION_ONSTACK(comp);
int rc;

rc = smu_queue_simple(&cmd, SMU_CMD_READ_ADC, 1,
Index: linux-2.6/drivers/s390/scsi/zfcp_scsi.c
===================================================================
--- linux-2.6.orig/drivers/s390/scsi/zfcp_scsi.c
+++ linux-2.6/drivers/s390/scsi/zfcp_scsi.c
@@ -301,7 +301,7 @@ zfcp_scsi_command_sync(struct zfcp_unit
int use_timer)
{
int ret;
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);

scpnt->SCp.ptr = (void *) &wait; /* silent re-use */
scpnt->scsi_done = zfcp_scsi_command_sync_handler;
Index: linux-2.6/drivers/scsi/53c700.c
===================================================================
--- linux-2.6.orig/drivers/scsi/53c700.c
+++ linux-2.6/drivers/scsi/53c700.c
@@ -1939,7 +1939,7 @@ NCR_700_abort(struct scsi_cmnd * SCp)
STATIC int
NCR_700_bus_reset(struct scsi_cmnd * SCp)
{
- DECLARE_COMPLETION(complete);
+ DECLARE_COMPLETION_ONSTACK(complete);
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)SCp->device->host->hostdata[0];

Index: linux-2.6/drivers/scsi/aic7xxx/aic79xx_osm.c
===================================================================
--- linux-2.6.orig/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ linux-2.6/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -646,7 +646,7 @@ ahd_linux_dev_reset(struct scsi_cmnd *cm
struct ahd_initiator_tinfo *tinfo;
struct ahd_tmode_tstate *tstate;
unsigned long flags;
- DECLARE_COMPLETION(done);
+ DECLARE_COMPLETION_ONSTACK(done);

reset_scb = NULL;
paused = FALSE;
@@ -2251,7 +2251,7 @@ done:
if (paused)
ahd_unpause(ahd);
if (wait) {
- DECLARE_COMPLETION(done);
+ DECLARE_COMPLETION_ONSTACK(done);

ahd->platform_data->eh_done = &done;
ahd_unlock(ahd, &flags);
Index: linux-2.6/drivers/scsi/aic7xxx/aic7xxx_osm.c
===================================================================
--- linux-2.6.orig/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ linux-2.6/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -2335,7 +2335,7 @@ done:
if (paused)
ahc_unpause(ahc);
if (wait) {
- DECLARE_COMPLETION(done);
+ DECLARE_COMPLETION_ONSTACK(done);

ahc->platform_data->eh_done = &done;
ahc_unlock(ahc, &flags);
Index: linux-2.6/drivers/scsi/gdth.c
===================================================================
--- linux-2.6.orig/drivers/scsi/gdth.c
+++ linux-2.6/drivers/scsi/gdth.c
@@ -724,7 +724,7 @@ int __gdth_execute(struct scsi_device *s
int timeout, u32 *info)
{
Scsi_Cmnd *scp;
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);
int rval;

scp = kmalloc(sizeof(*scp), GFP_KERNEL);
@@ -764,7 +764,7 @@ int __gdth_execute(struct scsi_device *s
{
Scsi_Cmnd *scp = scsi_allocate_device(sdev, 1, FALSE);
unsigned bufflen = gdtcmd ? sizeof(gdth_cmd_str) : 0;
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);
int rval;

if (!scp)
Index: linux-2.6/drivers/scsi/qla1280.c
===================================================================
--- linux-2.6.orig/drivers/scsi/qla1280.c
+++ linux-2.6/drivers/scsi/qla1280.c
@@ -813,7 +813,7 @@ qla1280_error_action(struct scsi_cmnd *c
uint16_t data;
unsigned char *handle;
int result, i;
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);
struct timer_list timer;

ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata);
@@ -2406,7 +2406,7 @@ qla1280_mailbox_command(struct scsi_qla_
uint16_t *optr, *iptr;
uint16_t __iomem *mptr;
uint16_t data;
- DECLARE_COMPLETION(wait);
+ DECLARE_COMPLETION_ONSTACK(wait);
struct timer_list timer;

ENTER("qla1280_mailbox_command");
Index: linux-2.6/drivers/usb/gadget/inode.c
===================================================================
--- linux-2.6.orig/drivers/usb/gadget/inode.c
+++ linux-2.6/drivers/usb/gadget/inode.c
@@ -342,7 +342,7 @@ fail:
static ssize_t
ep_io (struct ep_data *epdata, void *buf, unsigned len)
{
- DECLARE_COMPLETION (done);
+ DECLARE_COMPLETION_ONSTACK (done);
int value;

spin_lock_irq (&epdata->dev->lock);
Index: linux-2.6/drivers/usb/gadget/omap_udc.c
===================================================================
--- linux-2.6.orig/drivers/usb/gadget/omap_udc.c
+++ linux-2.6/drivers/usb/gadget/omap_udc.c
@@ -2869,7 +2869,7 @@ cleanup0:

static int __exit omap_udc_remove(struct platform_device *pdev)
{
- DECLARE_COMPLETION(done);
+ DECLARE_COMPLETION_ONSTACK(done);

if (!udc)
return -ENODEV;
Index: linux-2.6/net/ipv4/ipvs/ip_vs_sync.c
===================================================================
--- linux-2.6.orig/net/ipv4/ipvs/ip_vs_sync.c
+++ linux-2.6/net/ipv4/ipvs/ip_vs_sync.c
@@ -836,7 +836,7 @@ static int fork_sync_thread(void *startu

int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
{
- DECLARE_COMPLETION(startup);
+ DECLARE_COMPLETION_ONSTACK(startup);
pid_t pid;

if ((state == IP_VS_STATE_MASTER && sync_master_pid) ||


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