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authorNishanth Aravamudan <nacc@us.ibm.com>2005-09-12 14:15:34 -0700
committerDavid S. Miller <davem@davemloft.net>2005-09-12 14:15:34 -0700
commit121caf577dc61588c1128821873a08cec48baf58 (patch)
tree751e2e6bf9b58aa4b40e8285d357b0cf083ae8cc /net/core/pktgen.c
parent7672d0b54411371e0b6a831c1cb2f0ce615de6dc (diff)
downloadblackbird-op-linux-121caf577dc61588c1128821873a08cec48baf58.tar.gz
blackbird-op-linux-121caf577dc61588c1128821873a08cec48baf58.zip
[NET]: fix-up schedule_timeout() usage
Use schedule_timeout_{,un}interruptible() instead of set_current_state()/schedule_timeout() to reduce kernel size. Also use human-time conversion functions instead of hard-coded division to avoid rounding issues. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/pktgen.c')
-rw-r--r--net/core/pktgen.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index b3ad49fa7d78..ef430b1e8e42 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1452,8 +1452,7 @@ static int proc_thread_write(struct file *file, const char __user *user_buffer,
thread_lock();
t->control |= T_REMDEV;
thread_unlock();
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(HZ/8); /* Propagate thread->control */
+ schedule_timeout_interruptible(msecs_to_jiffies(125)); /* Propagate thread->control */
ret = count;
sprintf(pg_result, "OK: rem_device_all");
goto out;
@@ -1716,10 +1715,9 @@ static void spin(struct pktgen_dev *pkt_dev, __u64 spin_until_us)
printk(KERN_INFO "sleeping for %d\n", (int)(spin_until_us - now));
while (now < spin_until_us) {
/* TODO: optimise sleeping behavior */
- if (spin_until_us - now > (1000000/HZ)+1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(1);
- } else if (spin_until_us - now > 100) {
+ if (spin_until_us - now > jiffies_to_usecs(1)+1)
+ schedule_timeout_interruptible(1);
+ else if (spin_until_us - now > 100) {
do_softirq();
if (!pkt_dev->running)
return;
@@ -2449,8 +2447,7 @@ static void pktgen_run_all_threads(void)
}
thread_unlock();
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(HZ/8); /* Propagate thread->control */
+ schedule_timeout_interruptible(msecs_to_jiffies(125)); /* Propagate thread->control */
pktgen_wait_all_threads_run();
}
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