openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

staging: unisys: visorbus: reorder controlvm_periodic_work 

Move controlvm_periodic_work lower in the file to avoid having
to create function prototypes.

Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Kershner 2016-09-19 17:09:20 -04:00 committed by Greg Kroah-Hartman
parent c071b6f541
commit 3d8394c86f
1 changed files with 67 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

134
drivers/staging/unisys/visorbus/visorchipset.c
View File

@ -1751,73 +1751,6 @@ static u64 controlvm_get_channel_address(void)
return addr;
}
static void
controlvm_periodic_work(struct work_struct *work)
{
struct controlvm_message inmsg;
bool got_command = false;
bool handle_command_failed = false;
while (visorchannel_signalremove(controlvm_channel,
CONTROLVM_QUEUE_RESPONSE,
&inmsg))
;
if (!got_command) {
if (controlvm_pending_msg_valid) {
/*
* we throttled processing of a prior
* msg, so try to process it again
* rather than reading a new one
*/
inmsg = controlvm_pending_msg;
controlvm_pending_msg_valid = false;
got_command = true;
} else {
got_command = read_controlvm_event(&inmsg);
}
}
handle_command_failed = false;
while (got_command && (!handle_command_failed)) {
most_recent_message_jiffies = jiffies;
if (handle_command(inmsg,
visorchannel_get_physaddr
(controlvm_channel)))
got_command = read_controlvm_event(&inmsg);
else {
/*
* this is a scenario where throttling
* is required, but probably NOT an
* error...; we stash the current
* controlvm msg so we will attempt to
* reprocess it on our next loop
*/
handle_command_failed = true;
controlvm_pending_msg = inmsg;
controlvm_pending_msg_valid = true;
}
}
/* parahotplug_worker */
parahotplug_process_list();
if (time_after(jiffies,
most_recent_message_jiffies + (HZ * MIN_IDLE_SECONDS))) {
/*
* it's been longer than MIN_IDLE_SECONDS since we
* processed our last controlvm message; slow down the
* polling
*/
if (poll_jiffies != POLLJIFFIES_CONTROLVMCHANNEL_SLOW)
poll_jiffies = POLLJIFFIES_CONTROLVMCHANNEL_SLOW;
} else {
if (poll_jiffies != POLLJIFFIES_CONTROLVMCHANNEL_FAST)
poll_jiffies = POLLJIFFIES_CONTROLVMCHANNEL_FAST;
}
schedule_delayed_work(&periodic_controlvm_work, poll_jiffies);
}
static void
setup_crash_devices_work_queue(struct work_struct *work)
{
@ -2158,6 +2091,73 @@ visorchipset_file_cleanup(dev_t major_dev)
unregister_chrdev_region(major_dev, 1);
}
static void
controlvm_periodic_work(struct work_struct *work)
{
struct controlvm_message inmsg;
bool got_command = false;
bool handle_command_failed = false;
while (visorchannel_signalremove(controlvm_channel,
CONTROLVM_QUEUE_RESPONSE,
&inmsg))
;
if (!got_command) {
if (controlvm_pending_msg_valid) {
/*
* we throttled processing of a prior
* msg, so try to process it again
* rather than reading a new one
*/
inmsg = controlvm_pending_msg;
controlvm_pending_msg_valid = false;
got_command = true;
} else {
got_command = read_controlvm_event(&inmsg);
}
}
handle_command_failed = false;
while (got_command && (!handle_command_failed)) {
most_recent_message_jiffies = jiffies;
if (handle_command(inmsg,
visorchannel_get_physaddr
(controlvm_channel)))
got_command = read_controlvm_event(&inmsg);
else {
/*
* this is a scenario where throttling
* is required, but probably NOT an
* error...; we stash the current
* controlvm msg so we will attempt to
* reprocess it on our next loop
*/
handle_command_failed = true;
controlvm_pending_msg = inmsg;
controlvm_pending_msg_valid = true;
}
}
/* parahotplug_worker */
parahotplug_process_list();
if (time_after(jiffies,
most_recent_message_jiffies + (HZ * MIN_IDLE_SECONDS))) {
/*
* it's been longer than MIN_IDLE_SECONDS since we
* processed our last controlvm message; slow down the
* polling
*/
if (poll_jiffies != POLLJIFFIES_CONTROLVMCHANNEL_SLOW)
poll_jiffies = POLLJIFFIES_CONTROLVMCHANNEL_SLOW;
} else {
if (poll_jiffies != POLLJIFFIES_CONTROLVMCHANNEL_FAST)
poll_jiffies = POLLJIFFIES_CONTROLVMCHANNEL_FAST;
}
schedule_delayed_work(&periodic_controlvm_work, poll_jiffies);
}
static int
visorchipset_init(struct acpi_device *acpi_device)
{