[IA64] run rest drivers/misc/sgi-xp through scripts/Lindent
Ran patches through scripts/Lindent (part 2).
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
index bdb2cf1..d81a2dd 100644
--- a/drivers/misc/sgi-xp/xpc_main.c
+++ b/drivers/misc/sgi-xp/xpc_main.c
@@ -6,7 +6,6 @@
* Copyright (c) 2004-2008 Silicon Graphics, Inc. All Rights Reserved.
*/
-
/*
* Cross Partition Communication (XPC) support - standard version.
*
@@ -44,7 +43,6 @@
*
*/
-
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
@@ -61,7 +59,6 @@
#include <asm/uaccess.h>
#include "xpc.h"
-
/* define two XPC debug device structures to be used with dev_dbg() et al */
struct device_driver xpc_dbg_name = {
@@ -81,10 +78,8 @@
struct device *xpc_part = &xpc_part_dbg_subname;
struct device *xpc_chan = &xpc_chan_dbg_subname;
-
static int xpc_kdebug_ignore;
-
/* systune related variables for /proc/sys directories */
static int xpc_hb_interval = XPC_HB_DEFAULT_INTERVAL;
@@ -101,56 +96,51 @@
static ctl_table xpc_sys_xpc_hb_dir[] = {
{
- .ctl_name = CTL_UNNUMBERED,
- .procname = "hb_interval",
- .data = &xpc_hb_interval,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
- .extra1 = &xpc_hb_min_interval,
- .extra2 = &xpc_hb_max_interval
- },
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "hb_interval",
+ .data = &xpc_hb_interval,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_minmax,
+ .strategy = &sysctl_intvec,
+ .extra1 = &xpc_hb_min_interval,
+ .extra2 = &xpc_hb_max_interval},
{
- .ctl_name = CTL_UNNUMBERED,
- .procname = "hb_check_interval",
- .data = &xpc_hb_check_interval,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
- .extra1 = &xpc_hb_check_min_interval,
- .extra2 = &xpc_hb_check_max_interval
- },
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "hb_check_interval",
+ .data = &xpc_hb_check_interval,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_minmax,
+ .strategy = &sysctl_intvec,
+ .extra1 = &xpc_hb_check_min_interval,
+ .extra2 = &xpc_hb_check_max_interval},
{}
};
static ctl_table xpc_sys_xpc_dir[] = {
{
- .ctl_name = CTL_UNNUMBERED,
- .procname = "hb",
- .mode = 0555,
- .child = xpc_sys_xpc_hb_dir
- },
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "hb",
+ .mode = 0555,
+ .child = xpc_sys_xpc_hb_dir},
{
- .ctl_name = CTL_UNNUMBERED,
- .procname = "disengage_request_timelimit",
- .data = &xpc_disengage_request_timelimit,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
- .extra1 = &xpc_disengage_request_min_timelimit,
- .extra2 = &xpc_disengage_request_max_timelimit
- },
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "disengage_request_timelimit",
+ .data = &xpc_disengage_request_timelimit,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_minmax,
+ .strategy = &sysctl_intvec,
+ .extra1 = &xpc_disengage_request_min_timelimit,
+ .extra2 = &xpc_disengage_request_max_timelimit},
{}
};
static ctl_table xpc_sys_dir[] = {
{
- .ctl_name = CTL_UNNUMBERED,
- .procname = "xpc",
- .mode = 0555,
- .child = xpc_sys_xpc_dir
- },
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "xpc",
+ .mode = 0555,
+ .child = xpc_sys_xpc_dir},
{}
};
static struct ctl_table_header *xpc_sysctl;
@@ -172,13 +162,10 @@
/* notification that the xpc_discovery thread has exited */
static DECLARE_COMPLETION(xpc_discovery_exited);
-
static struct timer_list xpc_hb_timer;
-
static void xpc_kthread_waitmsgs(struct xpc_partition *, struct xpc_channel *);
-
static int xpc_system_reboot(struct notifier_block *, unsigned long, void *);
static struct notifier_block xpc_reboot_notifier = {
.notifier_call = xpc_system_reboot,
@@ -189,25 +176,22 @@
.notifier_call = xpc_system_die,
};
-
/*
* Timer function to enforce the timelimit on the partition disengage request.
*/
static void
xpc_timeout_partition_disengage_request(unsigned long data)
{
- struct xpc_partition *part = (struct xpc_partition *) data;
-
+ struct xpc_partition *part = (struct xpc_partition *)data;
DBUG_ON(time_before(jiffies, part->disengage_request_timeout));
- (void) xpc_partition_disengaged(part);
+ (void)xpc_partition_disengaged(part);
DBUG_ON(part->disengage_request_timeout != 0);
DBUG_ON(xpc_partition_engaged(1UL << XPC_PARTID(part)) != 0);
}
-
/*
* Notify the heartbeat check thread that an IRQ has been received.
*/
@@ -219,7 +203,6 @@
return IRQ_HANDLED;
}
-
/*
* Timer to produce the heartbeat. The timer structures function is
* already set when this is initially called. A tunable is used to
@@ -238,7 +221,6 @@
add_timer(&xpc_hb_timer);
}
-
/*
* This thread is responsible for nearly all of the partition
* activation/deactivation.
@@ -248,8 +230,7 @@
{
int last_IRQ_count = 0;
int new_IRQ_count;
- int force_IRQ=0;
-
+ int force_IRQ = 0;
/* this thread was marked active by xpc_hb_init() */
@@ -261,14 +242,13 @@
xpc_hb_check_timeout = jiffies + (xpc_hb_check_interval * HZ);
xpc_hb_beater(0);
- while (!(volatile int) xpc_exiting) {
+ while (!(volatile int)xpc_exiting) {
dev_dbg(xpc_part, "woke up with %d ticks rem; %d IRQs have "
"been received\n",
- (int) (xpc_hb_check_timeout - jiffies),
+ (int)(xpc_hb_check_timeout - jiffies),
atomic_read(&xpc_act_IRQ_rcvd) - last_IRQ_count);
-
/* checking of remote heartbeats is skewed by IRQ handling */
if (time_after_eq(jiffies, xpc_hb_check_timeout)) {
dev_dbg(xpc_part, "checking remote heartbeats\n");
@@ -282,7 +262,6 @@
force_IRQ = 1;
}
-
/* check for outstanding IRQs */
new_IRQ_count = atomic_read(&xpc_act_IRQ_rcvd);
if (last_IRQ_count < new_IRQ_count || force_IRQ != 0) {
@@ -294,30 +273,30 @@
last_IRQ_count += xpc_identify_act_IRQ_sender();
if (last_IRQ_count < new_IRQ_count) {
/* retry once to help avoid missing AMO */
- (void) xpc_identify_act_IRQ_sender();
+ (void)xpc_identify_act_IRQ_sender();
}
last_IRQ_count = new_IRQ_count;
xpc_hb_check_timeout = jiffies +
- (xpc_hb_check_interval * HZ);
+ (xpc_hb_check_interval * HZ);
}
/* wait for IRQ or timeout */
- (void) wait_event_interruptible(xpc_act_IRQ_wq,
- (last_IRQ_count < atomic_read(&xpc_act_IRQ_rcvd) ||
- time_after_eq(jiffies, xpc_hb_check_timeout) ||
- (volatile int) xpc_exiting));
+ (void)wait_event_interruptible(xpc_act_IRQ_wq,
+ (last_IRQ_count <
+ atomic_read(&xpc_act_IRQ_rcvd)
+ || time_after_eq(jiffies,
+ xpc_hb_check_timeout) ||
+ (volatile int)xpc_exiting));
}
dev_dbg(xpc_part, "heartbeat checker is exiting\n");
-
/* mark this thread as having exited */
complete(&xpc_hb_checker_exited);
return 0;
}
-
/*
* This thread will attempt to discover other partitions to activate
* based on info provided by SAL. This new thread is short lived and
@@ -337,7 +316,6 @@
return 0;
}
-
/*
* Establish first contact with the remote partititon. This involves pulling
* the XPC per partition variables from the remote partition and waiting for
@@ -348,7 +326,6 @@
{
enum xpc_retval ret;
-
while ((ret = xpc_pull_remote_vars_part(part)) != xpcSuccess) {
if (ret != xpcRetry) {
XPC_DEACTIVATE_PARTITION(part, ret);
@@ -359,7 +336,7 @@
"partition %d\n", XPC_PARTID(part));
/* wait a 1/4 of a second or so */
- (void) msleep_interruptible(250);
+ (void)msleep_interruptible(250);
if (part->act_state == XPC_P_DEACTIVATING) {
return part->reason;
@@ -369,7 +346,6 @@
return xpc_mark_partition_active(part);
}
-
/*
* The first kthread assigned to a newly activated partition is the one
* created by XPC HB with which it calls xpc_partition_up(). XPC hangs on to
@@ -386,12 +362,11 @@
xpc_channel_mgr(struct xpc_partition *part)
{
while (part->act_state != XPC_P_DEACTIVATING ||
- atomic_read(&part->nchannels_active) > 0 ||
- !xpc_partition_disengaged(part)) {
+ atomic_read(&part->nchannels_active) > 0 ||
+ !xpc_partition_disengaged(part)) {
xpc_process_channel_activity(part);
-
/*
* Wait until we've been requested to activate kthreads or
* all of the channel's message queues have been torn down or
@@ -406,13 +381,19 @@
* wake him up.
*/
atomic_dec(&part->channel_mgr_requests);
- (void) wait_event_interruptible(part->channel_mgr_wq,
- (atomic_read(&part->channel_mgr_requests) > 0 ||
- (volatile u64) part->local_IPI_amo != 0 ||
- ((volatile u8) part->act_state ==
- XPC_P_DEACTIVATING &&
- atomic_read(&part->nchannels_active) == 0 &&
- xpc_partition_disengaged(part))));
+ (void)wait_event_interruptible(part->channel_mgr_wq,
+ (atomic_read
+ (&part->channel_mgr_requests) >
+ 0 ||
+ (volatile u64)part->
+ local_IPI_amo != 0 ||
+ ((volatile u8)part->act_state ==
+ XPC_P_DEACTIVATING &&
+ atomic_read(&part->
+ nchannels_active)
+ == 0 &&
+ xpc_partition_disengaged
+ (part))));
atomic_set(&part->channel_mgr_requests, 1);
// >>> Does it need to wakeup periodically as well? In case we
@@ -420,7 +401,6 @@
}
}
-
/*
* When XPC HB determines that a partition has come up, it will create a new
* kthread and that kthread will call this function to attempt to set up the
@@ -454,7 +434,7 @@
* has been dismantled.
*/
- (void) xpc_part_ref(part); /* this will always succeed */
+ (void)xpc_part_ref(part); /* this will always succeed */
if (xpc_make_first_contact(part) == xpcSuccess) {
xpc_channel_mgr(part);
@@ -465,17 +445,15 @@
xpc_teardown_infrastructure(part);
}
-
static int
xpc_activating(void *__partid)
{
- partid_t partid = (u64) __partid;
+ partid_t partid = (u64)__partid;
struct xpc_partition *part = &xpc_partitions[partid];
unsigned long irq_flags;
- struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
+ struct sched_param param = {.sched_priority = MAX_RT_PRIO - 1 };
int ret;
-
DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
spin_lock_irqsave(&part->act_lock, irq_flags);
@@ -505,7 +483,7 @@
ret = sched_setscheduler(current, SCHED_FIFO, ¶m);
if (ret != 0) {
dev_warn(xpc_part, "unable to set pid %d to a realtime "
- "priority, ret=%d\n", current->pid, ret);
+ "priority, ret=%d\n", current->pid, ret);
}
/* allow this thread and its children to run on any CPU */
@@ -522,9 +500,9 @@
* reloads and system reboots.
*/
if (sn_register_xp_addr_region(part->remote_amos_page_pa,
- PAGE_SIZE, 1) < 0) {
+ PAGE_SIZE, 1) < 0) {
dev_warn(xpc_part, "xpc_partition_up(%d) failed to register "
- "xp_addr region\n", partid);
+ "xp_addr region\n", partid);
spin_lock_irqsave(&part->act_lock, irq_flags);
part->act_state = XPC_P_INACTIVE;
@@ -537,12 +515,11 @@
xpc_allow_hb(partid, xpc_vars);
xpc_IPI_send_activated(part);
-
/*
* xpc_partition_up() holds this thread and marks this partition as
* XPC_P_ACTIVE by calling xpc_hb_mark_active().
*/
- (void) xpc_partition_up(part);
+ (void)xpc_partition_up(part);
xpc_disallow_hb(partid, xpc_vars);
xpc_mark_partition_inactive(part);
@@ -555,7 +532,6 @@
return 0;
}
-
void
xpc_activate_partition(struct xpc_partition *part)
{
@@ -563,7 +539,6 @@
unsigned long irq_flags;
pid_t pid;
-
spin_lock_irqsave(&part->act_lock, irq_flags);
DBUG_ON(part->act_state != XPC_P_INACTIVE);
@@ -573,7 +548,7 @@
spin_unlock_irqrestore(&part->act_lock, irq_flags);
- pid = kernel_thread(xpc_activating, (void *) ((u64) partid), 0);
+ pid = kernel_thread(xpc_activating, (void *)((u64)partid), 0);
if (unlikely(pid <= 0)) {
spin_lock_irqsave(&part->act_lock, irq_flags);
@@ -583,7 +558,6 @@
}
}
-
/*
* Handle the receipt of a SGI_XPC_NOTIFY IRQ by seeing whether the specified
* partition actually sent it. Since SGI_XPC_NOTIFY IRQs may be shared by more
@@ -603,10 +577,9 @@
irqreturn_t
xpc_notify_IRQ_handler(int irq, void *dev_id)
{
- partid_t partid = (partid_t) (u64) dev_id;
+ partid_t partid = (partid_t) (u64)dev_id;
struct xpc_partition *part = &xpc_partitions[partid];
-
DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
if (xpc_part_ref(part)) {
@@ -617,7 +590,6 @@
return IRQ_HANDLED;
}
-
/*
* Check to see if xpc_notify_IRQ_handler() dropped any IPIs on the floor
* because the write to their associated IPI amo completed after the IRQ/IPI
@@ -630,13 +602,12 @@
xpc_check_for_channel_activity(part);
part->dropped_IPI_timer.expires = jiffies +
- XPC_P_DROPPED_IPI_WAIT;
+ XPC_P_DROPPED_IPI_WAIT;
add_timer(&part->dropped_IPI_timer);
xpc_part_deref(part);
}
}
-
void
xpc_activate_kthreads(struct xpc_channel *ch, int needed)
{
@@ -644,7 +615,6 @@
int assigned = atomic_read(&ch->kthreads_assigned);
int wakeup;
-
DBUG_ON(needed <= 0);
if (idle > 0) {
@@ -676,7 +646,6 @@
xpc_create_kthreads(ch, needed, 0);
}
-
/*
* This function is where XPC's kthreads wait for messages to deliver.
*/
@@ -686,15 +655,14 @@
do {
/* deliver messages to their intended recipients */
- while ((volatile s64) ch->w_local_GP.get <
- (volatile s64) ch->w_remote_GP.put &&
- !((volatile u32) ch->flags &
- XPC_C_DISCONNECTING)) {
+ while ((volatile s64)ch->w_local_GP.get <
+ (volatile s64)ch->w_remote_GP.put &&
+ !((volatile u32)ch->flags & XPC_C_DISCONNECTING)) {
xpc_deliver_msg(ch);
}
if (atomic_inc_return(&ch->kthreads_idle) >
- ch->kthreads_idle_limit) {
+ ch->kthreads_idle_limit) {
/* too many idle kthreads on this channel */
atomic_dec(&ch->kthreads_idle);
break;
@@ -703,18 +671,20 @@
dev_dbg(xpc_chan, "idle kthread calling "
"wait_event_interruptible_exclusive()\n");
- (void) wait_event_interruptible_exclusive(ch->idle_wq,
- ((volatile s64) ch->w_local_GP.get <
- (volatile s64) ch->w_remote_GP.put ||
- ((volatile u32) ch->flags &
- XPC_C_DISCONNECTING)));
+ (void)wait_event_interruptible_exclusive(ch->idle_wq,
+ ((volatile s64)ch->
+ w_local_GP.get <
+ (volatile s64)ch->
+ w_remote_GP.put ||
+ ((volatile u32)ch->
+ flags &
+ XPC_C_DISCONNECTING)));
atomic_dec(&ch->kthreads_idle);
- } while (!((volatile u32) ch->flags & XPC_C_DISCONNECTING));
+ } while (!((volatile u32)ch->flags & XPC_C_DISCONNECTING));
}
-
static int
xpc_daemonize_kthread(void *args)
{
@@ -725,7 +695,6 @@
int n_needed;
unsigned long irq_flags;
-
daemonize("xpc%02dc%d", partid, ch_number);
dev_dbg(xpc_chan, "kthread starting, partid=%d, channel=%d\n",
@@ -756,8 +725,7 @@
* need one less than total #of messages to deliver.
*/
n_needed = ch->w_remote_GP.put - ch->w_local_GP.get - 1;
- if (n_needed > 0 &&
- !(ch->flags & XPC_C_DISCONNECTING)) {
+ if (n_needed > 0 && !(ch->flags & XPC_C_DISCONNECTING)) {
xpc_activate_kthreads(ch, n_needed);
}
} else {
@@ -771,7 +739,7 @@
spin_lock_irqsave(&ch->lock, irq_flags);
if ((ch->flags & XPC_C_CONNECTEDCALLOUT_MADE) &&
- !(ch->flags & XPC_C_DISCONNECTINGCALLOUT)) {
+ !(ch->flags & XPC_C_DISCONNECTINGCALLOUT)) {
ch->flags |= XPC_C_DISCONNECTINGCALLOUT;
spin_unlock_irqrestore(&ch->lock, irq_flags);
@@ -798,7 +766,6 @@
return 0;
}
-
/*
* For each partition that XPC has established communications with, there is
* a minimum of one kernel thread assigned to perform any operation that
@@ -813,14 +780,13 @@
*/
void
xpc_create_kthreads(struct xpc_channel *ch, int needed,
- int ignore_disconnecting)
+ int ignore_disconnecting)
{
unsigned long irq_flags;
pid_t pid;
u64 args = XPC_PACK_ARGS(ch->partid, ch->number);
struct xpc_partition *part = &xpc_partitions[ch->partid];
-
while (needed-- > 0) {
/*
@@ -832,7 +798,7 @@
if (!atomic_inc_not_zero(&ch->kthreads_assigned)) {
/* kthreads assigned had gone to zero */
BUG_ON(!(ch->flags &
- XPC_C_DISCONNECTINGCALLOUT_MADE));
+ XPC_C_DISCONNECTINGCALLOUT_MADE));
break;
}
@@ -843,10 +809,10 @@
if (atomic_inc_return(&part->nchannels_engaged) == 1)
xpc_mark_partition_engaged(part);
}
- (void) xpc_part_ref(part);
+ (void)xpc_part_ref(part);
xpc_msgqueue_ref(ch);
- pid = kernel_thread(xpc_daemonize_kthread, (void *) args, 0);
+ pid = kernel_thread(xpc_daemonize_kthread, (void *)args, 0);
if (pid < 0) {
/* the fork failed */
@@ -869,7 +835,7 @@
xpc_part_deref(part);
if (atomic_read(&ch->kthreads_assigned) <
- ch->kthreads_idle_limit) {
+ ch->kthreads_idle_limit) {
/*
* Flag this as an error only if we have an
* insufficient #of kthreads for the channel
@@ -877,7 +843,7 @@
*/
spin_lock_irqsave(&ch->lock, irq_flags);
XPC_DISCONNECT_CHANNEL(ch, xpcLackOfResources,
- &irq_flags);
+ &irq_flags);
spin_unlock_irqrestore(&ch->lock, irq_flags);
}
break;
@@ -887,7 +853,6 @@
}
}
-
void
xpc_disconnect_wait(int ch_number)
{
@@ -897,7 +862,6 @@
struct xpc_channel *ch;
int wakeup_channel_mgr;
-
/* now wait for all callouts to the caller's function to cease */
for (partid = 1; partid < XP_MAX_PARTITIONS; partid++) {
part = &xpc_partitions[partid];
@@ -923,7 +887,8 @@
if (part->act_state != XPC_P_DEACTIVATING) {
spin_lock(&part->IPI_lock);
XPC_SET_IPI_FLAGS(part->local_IPI_amo,
- ch->number, ch->delayed_IPI_flags);
+ ch->number,
+ ch->delayed_IPI_flags);
spin_unlock(&part->IPI_lock);
wakeup_channel_mgr = 1;
}
@@ -941,7 +906,6 @@
}
}
-
static void
xpc_do_exit(enum xpc_retval reason)
{
@@ -950,7 +914,6 @@
struct xpc_partition *part;
unsigned long printmsg_time, disengage_request_timeout = 0;
-
/* a 'rmmod XPC' and a 'reboot' cannot both end up here together */
DBUG_ON(xpc_exiting == 1);
@@ -971,10 +934,8 @@
/* wait for the heartbeat checker thread to exit */
wait_for_completion(&xpc_hb_checker_exited);
-
/* sleep for a 1/3 of a second or so */
- (void) msleep_interruptible(300);
-
+ (void)msleep_interruptible(300);
/* wait for all partitions to become inactive */
@@ -988,7 +949,7 @@
part = &xpc_partitions[partid];
if (xpc_partition_disengaged(part) &&
- part->act_state == XPC_P_INACTIVE) {
+ part->act_state == XPC_P_INACTIVE) {
continue;
}
@@ -997,47 +958,46 @@
XPC_DEACTIVATE_PARTITION(part, reason);
if (part->disengage_request_timeout >
- disengage_request_timeout) {
+ disengage_request_timeout) {
disengage_request_timeout =
- part->disengage_request_timeout;
+ part->disengage_request_timeout;
}
}
if (xpc_partition_engaged(-1UL)) {
if (time_after(jiffies, printmsg_time)) {
dev_info(xpc_part, "waiting for remote "
- "partitions to disengage, timeout in "
- "%ld seconds\n",
- (disengage_request_timeout - jiffies)
- / HZ);
+ "partitions to disengage, timeout in "
+ "%ld seconds\n",
+ (disengage_request_timeout - jiffies)
+ / HZ);
printmsg_time = jiffies +
- (XPC_DISENGAGE_PRINTMSG_INTERVAL * HZ);
+ (XPC_DISENGAGE_PRINTMSG_INTERVAL * HZ);
printed_waiting_msg = 1;
}
} else if (active_part_count > 0) {
if (printed_waiting_msg) {
dev_info(xpc_part, "waiting for local partition"
- " to disengage\n");
+ " to disengage\n");
printed_waiting_msg = 0;
}
} else {
if (!xpc_disengage_request_timedout) {
dev_info(xpc_part, "all partitions have "
- "disengaged\n");
+ "disengaged\n");
}
break;
}
/* sleep for a 1/3 of a second or so */
- (void) msleep_interruptible(300);
+ (void)msleep_interruptible(300);
} while (1);
DBUG_ON(xpc_partition_engaged(-1UL));
-
/* indicate to others that our reserved page is uninitialized */
xpc_rsvd_page->vars_pa = 0;
@@ -1047,16 +1007,15 @@
if (reason == xpcUnloading) {
/* take ourselves off of the reboot_notifier_list */
- (void) unregister_reboot_notifier(&xpc_reboot_notifier);
+ (void)unregister_reboot_notifier(&xpc_reboot_notifier);
/* take ourselves off of the die_notifier list */
- (void) unregister_die_notifier(&xpc_die_notifier);
+ (void)unregister_die_notifier(&xpc_die_notifier);
}
/* close down protections for IPI operations */
xpc_restrict_IPI_ops();
-
/* clear the interface to XPC's functions */
xpc_clear_interface();
@@ -1067,7 +1026,6 @@
kfree(xpc_remote_copy_buffer_base);
}
-
/*
* This function is called when the system is being rebooted.
*/
@@ -1076,7 +1034,6 @@
{
enum xpc_retval reason;
-
switch (event) {
case SYS_RESTART:
reason = xpcSystemReboot;
@@ -1095,7 +1052,6 @@
return NOTIFY_DONE;
}
-
/*
* Notify other partitions to disengage from all references to our memory.
*/
@@ -1107,17 +1063,15 @@
unsigned long engaged;
long time, printmsg_time, disengage_request_timeout;
-
/* keep xpc_hb_checker thread from doing anything (just in case) */
xpc_exiting = 1;
- xpc_vars->heartbeating_to_mask = 0; /* indicate we're deactivated */
+ xpc_vars->heartbeating_to_mask = 0; /* indicate we're deactivated */
for (partid = 1; partid < XP_MAX_PARTITIONS; partid++) {
part = &xpc_partitions[partid];
- if (!XPC_SUPPORTS_DISENGAGE_REQUEST(part->
- remote_vars_version)) {
+ if (!XPC_SUPPORTS_DISENGAGE_REQUEST(part->remote_vars_version)) {
/* just in case it was left set by an earlier XPC */
xpc_clear_partition_engaged(1UL << partid);
@@ -1125,7 +1079,7 @@
}
if (xpc_partition_engaged(1UL << partid) ||
- part->act_state != XPC_P_INACTIVE) {
+ part->act_state != XPC_P_INACTIVE) {
xpc_request_partition_disengage(part);
xpc_mark_partition_disengaged(part);
xpc_IPI_send_disengage(part);
@@ -1134,9 +1088,9 @@
time = rtc_time();
printmsg_time = time +
- (XPC_DISENGAGE_PRINTMSG_INTERVAL * sn_rtc_cycles_per_second);
+ (XPC_DISENGAGE_PRINTMSG_INTERVAL * sn_rtc_cycles_per_second);
disengage_request_timeout = time +
- (xpc_disengage_request_timelimit * sn_rtc_cycles_per_second);
+ (xpc_disengage_request_timelimit * sn_rtc_cycles_per_second);
/* wait for all other partitions to disengage from us */
@@ -1152,8 +1106,8 @@
for (partid = 1; partid < XP_MAX_PARTITIONS; partid++) {
if (engaged & (1UL << partid)) {
dev_info(xpc_part, "disengage from "
- "remote partition %d timed "
- "out\n", partid);
+ "remote partition %d timed "
+ "out\n", partid);
}
}
break;
@@ -1161,17 +1115,16 @@
if (time >= printmsg_time) {
dev_info(xpc_part, "waiting for remote partitions to "
- "disengage, timeout in %ld seconds\n",
- (disengage_request_timeout - time) /
- sn_rtc_cycles_per_second);
+ "disengage, timeout in %ld seconds\n",
+ (disengage_request_timeout - time) /
+ sn_rtc_cycles_per_second);
printmsg_time = time +
- (XPC_DISENGAGE_PRINTMSG_INTERVAL *
- sn_rtc_cycles_per_second);
+ (XPC_DISENGAGE_PRINTMSG_INTERVAL *
+ sn_rtc_cycles_per_second);
}
}
}
-
/*
* This function is called when the system is being restarted or halted due
* to some sort of system failure. If this is the case we need to notify the
@@ -1217,7 +1170,6 @@
return NOTIFY_DONE;
}
-
int __init
xpc_init(void)
{
@@ -1227,16 +1179,15 @@
pid_t pid;
size_t buf_size;
-
if (!ia64_platform_is("sn2")) {
return -ENODEV;
}
-
buf_size = max(XPC_RP_VARS_SIZE,
- XPC_RP_HEADER_SIZE + XP_NASID_MASK_BYTES);
+ XPC_RP_HEADER_SIZE + XP_NASID_MASK_BYTES);
xpc_remote_copy_buffer = xpc_kmalloc_cacheline_aligned(buf_size,
- GFP_KERNEL, &xpc_remote_copy_buffer_base);
+ GFP_KERNEL,
+ &xpc_remote_copy_buffer_base);
if (xpc_remote_copy_buffer == NULL)
return -ENOMEM;
@@ -1256,7 +1207,7 @@
for (partid = 1; partid < XP_MAX_PARTITIONS; partid++) {
part = &xpc_partitions[partid];
- DBUG_ON((u64) part != L1_CACHE_ALIGN((u64) part));
+ DBUG_ON((u64)part != L1_CACHE_ALIGN((u64)part));
part->act_IRQ_rcvd = 0;
spin_lock_init(&part->act_lock);
@@ -1265,8 +1216,8 @@
init_timer(&part->disengage_request_timer);
part->disengage_request_timer.function =
- xpc_timeout_partition_disengage_request;
- part->disengage_request_timer.data = (unsigned long) part;
+ xpc_timeout_partition_disengage_request;
+ part->disengage_request_timer.data = (unsigned long)part;
part->setup_state = XPC_P_UNSET;
init_waitqueue_head(&part->teardown_wq);
@@ -1292,7 +1243,7 @@
* but rather immediately process the interrupt.
*/
ret = request_irq(SGI_XPC_ACTIVATE, xpc_act_IRQ_handler, 0,
- "xpc hb", NULL);
+ "xpc hb", NULL);
if (ret != 0) {
dev_err(xpc_part, "can't register ACTIVATE IRQ handler, "
"errno=%d\n", -ret);
@@ -1327,7 +1278,6 @@
return -EBUSY;
}
-
/* add ourselves to the reboot_notifier_list */
ret = register_reboot_notifier(&xpc_reboot_notifier);
if (ret != 0) {
@@ -1355,10 +1305,10 @@
xpc_rsvd_page->vars_pa = 0;
/* take ourselves off of the reboot_notifier_list */
- (void) unregister_reboot_notifier(&xpc_reboot_notifier);
+ (void)unregister_reboot_notifier(&xpc_reboot_notifier);
/* take ourselves off of the die_notifier list */
- (void) unregister_die_notifier(&xpc_die_notifier);
+ (void)unregister_die_notifier(&xpc_die_notifier);
del_timer_sync(&xpc_hb_timer);
free_irq(SGI_XPC_ACTIVATE, NULL);
@@ -1372,7 +1322,6 @@
return -EBUSY;
}
-
/*
* Startup a thread that will attempt to discover other partitions to
* activate based on info provided by SAL. This new thread is short
@@ -1389,7 +1338,6 @@
return -EBUSY;
}
-
/* set the interface to point at XPC's functions */
xpc_set_interface(xpc_initiate_connect, xpc_initiate_disconnect,
xpc_initiate_allocate, xpc_initiate_send,
@@ -1398,16 +1346,16 @@
return 0;
}
-module_init(xpc_init);
+module_init(xpc_init);
void __exit
xpc_exit(void)
{
xpc_do_exit(xpcUnloading);
}
-module_exit(xpc_exit);
+module_exit(xpc_exit);
MODULE_AUTHOR("Silicon Graphics, Inc.");
MODULE_DESCRIPTION("Cross Partition Communication (XPC) support");
@@ -1415,17 +1363,16 @@
module_param(xpc_hb_interval, int, 0);
MODULE_PARM_DESC(xpc_hb_interval, "Number of seconds between "
- "heartbeat increments.");
+ "heartbeat increments.");
module_param(xpc_hb_check_interval, int, 0);
MODULE_PARM_DESC(xpc_hb_check_interval, "Number of seconds between "
- "heartbeat checks.");
+ "heartbeat checks.");
module_param(xpc_disengage_request_timelimit, int, 0);
MODULE_PARM_DESC(xpc_disengage_request_timelimit, "Number of seconds to wait "
- "for disengage request to complete.");
+ "for disengage request to complete.");
module_param(xpc_kdebug_ignore, int, 0);
MODULE_PARM_DESC(xpc_kdebug_ignore, "Should lack of heartbeat be ignored by "
- "other partitions when dropping into kdebug.");
-
+ "other partitions when dropping into kdebug.");