> this patch again changes comparisons of jiffies to use the
> time_{before,after} macros which are safe against wraparound.
>
> However, this time I only fix places that actually get the wraparound
> wrong. I hope that will silence the legitimate voices that accused my
> previous patches of being too intrusive.
>
> The parts of my previous patches that actually fix incorrect
> comparisons are included. I am about halfway through the list of
> suspicious files, so another patch like this is to be expected if no
> objections are raised.
>
> With these changes I do not see the solid lockups after jiffies wrap
> anymore that I have reported in the "Re: [Patch] Re: Nasty suprise with
> uptime" thread.
>
Rediffed for 2.4.15-pre5.
The 64 bit jiffies patch for enabling uptimes > 497 days
(http://www.lib.uaa.alaska.edu/linux-kernel/archive/2001-Week-45/1559.html)
still applies to 2.4.15-pre5.
Tim
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/block/paride/pseudo.h linux-2.4.15-pre5-jiffies64/drivers/block/paride/pseudo.h
--- linux-2.4.15-pre5/drivers/block/paride/pseudo.h Sun Feb 4 19:05:29 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/block/paride/pseudo.h Fri Nov 16 20:09:42 2001
@@ -102,7 +102,7 @@
spin_unlock_irqrestore(&ps_spinlock,flags);
return;
}
- if (!ps_ready || ps_ready() || (jiffies >= ps_timeout)) {
+ if (!ps_ready || ps_ready() || time_after_eq(jiffies, ps_timeout)) {
ps_continuation = NULL;
spin_unlock_irqrestore(&ps_spinlock,flags);
con();
@@ -131,7 +131,7 @@
spin_unlock_irqrestore(&ps_spinlock,flags);
return;
}
- if (!ps_ready || ps_ready() || (jiffies >= ps_timeout)) {
+ if (!ps_ready || ps_ready() || time_after_eq(jiffies, ps_timeout)) {
ps_continuation = NULL;
spin_unlock_irqrestore(&ps_spinlock,flags);
con();
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/char/esp.c linux-2.4.15-pre5-jiffies64/drivers/char/esp.c
--- linux-2.4.15-pre5/drivers/char/esp.c Fri Nov 16 20:08:26 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/char/esp.c Fri Nov 16 20:09:42 2001
@@ -2162,7 +2162,7 @@
if (signal_pending(current))
break;
- if (timeout && ((orig_jiffies + timeout) < jiffies))
+ if (timeout && (time_after(jiffies, orig_jiffies + timeout)))
break;
serial_out(info, UART_ESI_CMD1, ESI_NO_COMMAND);
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/char/ip2/i2lib.c linux-2.4.15-pre5-jiffies64/drivers/char/ip2/i2lib.c
--- linux-2.4.15-pre5/drivers/char/ip2/i2lib.c Sat Nov 3 02:26:17 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/char/ip2/i2lib.c Fri Nov 16 20:09:42 2001
@@ -1330,7 +1330,7 @@
// if expires == 0 then timer poped, then do not need to del_timer
if ((timeout > 0) && pCh->BookmarkTimer.expires &&
- (pCh->BookmarkTimer.expires > jiffies)) {
+ time_before(jiffies, pCh->BookmarkTimer.expires)) {
del_timer( &(pCh->BookmarkTimer) );
pCh->BookmarkTimer.expires = 0;
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/char/mxser.c linux-2.4.15-pre5-jiffies64/drivers/char/mxser.c
--- linux-2.4.15-pre5/drivers/char/mxser.c Thu Oct 25 22:53:47 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/char/mxser.c Fri Nov 16 20:09:42 2001
@@ -847,7 +847,7 @@
while (!(inb(info->base + UART_LSR) & UART_LSR_TEMT)) {
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(5);
- if (jiffies > timeout)
+ if (time_after(jiffies, timeout))
break;
}
}
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/i2c/i2c-adap-ite.c linux-2.4.15-pre5-jiffies64/drivers/i2c/i2c-adap-ite.c
--- linux-2.4.15-pre5/drivers/i2c/i2c-adap-ite.c Thu Oct 11 17:05:47 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/i2c/i2c-adap-ite.c Fri Nov 16 20:09:42 2001
@@ -82,7 +82,7 @@
unsigned long j = jiffies + 10;
DEB3(printk(" Write 0x%02x to 0x%x\n",(unsigned short)val, ctl&0xff));
- DEB3({while (jiffies < j) schedule();})
+ DEB3({while (time_before(jiffies, j)) schedule();})
outw(val,ctl);
}
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/i2c/i2c-algo-bit.c linux-2.4.15-pre5-jiffies64/drivers/i2c/i2c-algo-bit.c
--- linux-2.4.15-pre5/drivers/i2c/i2c-algo-bit.c Thu Oct 11 17:05:47 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/i2c/i2c-algo-bit.c Fri Nov 16 20:09:42 2001
@@ -49,7 +49,7 @@
/* respectively. This makes sure that the algorithm works. Some chips */
/* might not like this, as they have an internal timeout of some mils */
/*
-#define SLO_IO jif=jiffies;while(jiffies<=jif+i2c_table[minor].veryslow)\
+#define SLO_IO jif=jiffies;while(time_before_eq(jiffies, jif+i2c_table[minor].veryslow))\
if (need_resched) schedule();
*/
@@ -117,7 +117,7 @@
* while they are processing data internally.
*/
setscl(adap,1);
- if (start+adap->timeout <= jiffies) {
+ if (time_after_eq(jiffies, start+adap->timeout)) {
return -ETIMEDOUT;
}
if (current->need_resched)
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/ide/ide-probe.c linux-2.4.15-pre5-jiffies64/drivers/ide/ide-probe.c
--- linux-2.4.15-pre5/drivers/ide/ide-probe.c Thu Oct 11 18:14:32 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/ide/ide-probe.c Fri Nov 16 20:09:42 2001
@@ -370,7 +370,7 @@
OUT_BYTE(EXABYTE_ENABLE_NEST, IDE_COMMAND_REG);
timeout = jiffies + WAIT_WORSTCASE;
do {
- if (jiffies > timeout) {
+ if (time_after(jiffies, timeout)) {
printk("failed (timeout)\n");
return;
}
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/ide/ide-tape.c linux-2.4.15-pre5-jiffies64/drivers/ide/ide-tape.c
--- linux-2.4.15-pre5/drivers/ide/ide-tape.c Mon Aug 13 23:56:19 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/ide/ide-tape.c Fri Nov 16 20:09:42 2001
@@ -2418,26 +2418,26 @@
idetape_tape_t *tape = drive->driver_data;
int full = 125, empty = 75;
- if (jiffies > tape->controlled_pipeline_head_time + 120 * HZ) {
+ if (time_after(jiffies, tape->controlled_pipeline_head_time + 120 * HZ)) {
tape->controlled_previous_pipeline_head = tape->controlled_last_pipeline_head;
tape->controlled_previous_head_time = tape->controlled_pipeline_head_time;
tape->controlled_last_pipeline_head = tape->pipeline_head;
tape->controlled_pipeline_head_time = jiffies;
}
- if (jiffies > tape->controlled_pipeline_head_time + 60 * HZ)
+ if (time_after(jiffies, tape->controlled_pipeline_head_time + 60 * HZ))
tape->controlled_pipeline_head_speed = (tape->pipeline_head - tape->controlled_last_pipeline_head) * 32 * HZ / (jiffies - tape->controlled_pipeline_head_time);
- else if (jiffies > tape->controlled_previous_head_time)
+ else if (time_after(jiffies, tape->controlled_previous_head_time))
tape->controlled_pipeline_head_speed = (tape->pipeline_head - tape->controlled_previous_pipeline_head) * 32 * HZ / (jiffies - tape->controlled_previous_head_time);
if (tape->nr_pending_stages < tape->max_stages /*- 1 */) { /* -1 for read mode error recovery */
- if (jiffies > tape->uncontrolled_previous_head_time + 10 * HZ) {
+ if (time_after(jiffies, tape->uncontrolled_previous_head_time + 10 * HZ)) {
tape->uncontrolled_pipeline_head_time = jiffies;
tape->uncontrolled_pipeline_head_speed = (tape->pipeline_head - tape->uncontrolled_previous_pipeline_head) * 32 * HZ / (jiffies - tape->uncontrolled_previous_head_time);
}
} else {
tape->uncontrolled_previous_head_time = jiffies;
tape->uncontrolled_previous_pipeline_head = tape->pipeline_head;
- if (jiffies > tape->uncontrolled_pipeline_head_time + 30 * HZ) {
+ if (time_after(jiffies, tape->uncontrolled_pipeline_head_time + 30 * HZ)) {
tape->uncontrolled_pipeline_head_time = jiffies;
}
}
@@ -2500,7 +2500,7 @@
tape->insert_time = jiffies;
tape->insert_size = 0;
}
- if (jiffies > tape->insert_time)
+ if (time_after(jiffies, tape->insert_time))
tape->insert_speed = tape->insert_size / 1024 * HZ / (jiffies - tape->insert_time);
if (jiffies - tape->avg_time >= HZ) {
tape->avg_speed = tape->avg_size * HZ / (jiffies - tape->avg_time) / 1024;
@@ -2680,11 +2680,11 @@
tape->reads_since_buffer_fill = 0;
tape->last_buffer_fill = jiffies;
idetape_queue_onstream_buffer_fill(drive);
- if (jiffies > tape->insert_time)
+ if (time_after(jiffies, tape->insert_time))
tape->insert_speed = tape->insert_size / 1024 * HZ / (jiffies - tape->insert_time);
return ide_stopped;
}
- if (jiffies > tape->insert_time)
+ if (time_after(jiffies, tape->insert_time))
tape->insert_speed = tape->insert_size / 1024 * HZ / (jiffies - tape->insert_time);
calculate_speeds(drive);
if (tape->onstream && tape->max_frames &&
@@ -2756,7 +2756,7 @@
if (tape->onstream) {
if (tape->cur_frames + tape->writes_since_buffer_fill >= tape->max_frames)
tape->req_buffer_fill = 1;
- if (jiffies > tape->last_buffer_fill + 5 * HZ / 100)
+ if (time_after(jiffies, tape->last_buffer_fill + 5 * HZ / 100))
tape->req_buffer_fill = 1;
calculate_speeds(drive);
}
@@ -3214,7 +3214,7 @@
* Wait for the tape to become ready
*/
timeout += jiffies;
- while (jiffies < timeout) {
+ while (time_before(jiffies, timeout)) {
idetape_create_test_unit_ready_cmd(&pc);
if (!__idetape_queue_pc_tail(drive, &pc))
return 0;
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/net/arlan.c linux-2.4.15-pre5-jiffies64/drivers/net/arlan.c
--- linux-2.4.15-pre5/drivers/net/arlan.c Fri Nov 16 20:08:26 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/net/arlan.c Fri Nov 16 20:09:42 2001
@@ -677,7 +677,7 @@
arlan_retransmit_now(dev);
}
if (!registrationBad(dev) &&
- priv->tx_done_delayed < jiffies &&
+ time_after(jiffies, priv->tx_done_delayed) &&
priv->tx_done_delayed != 0)
{
TXLAST(dev).offset = 0;
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/net/rrunner.c linux-2.4.15-pre5-jiffies64/drivers/net/rrunner.c
--- linux-2.4.15-pre5/drivers/net/rrunner.c Fri Nov 16 20:08:27 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/net/rrunner.c Fri Nov 16 20:09:42 2001
@@ -770,7 +770,7 @@
* Give the FirmWare time to chew on the `get running' command.
*/
myjif = jiffies + 5 * HZ;
- while ((jiffies < myjif) && !rrpriv->fw_running);
+ while (time_before(jiffies, myjif) && !rrpriv->fw_running);
netif_start_queue(dev);
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/net/sb1000.c linux-2.4.15-pre5-jiffies64/drivers/net/sb1000.c
--- linux-2.4.15-pre5/drivers/net/sb1000.c Sun Sep 30 21:26:07 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/net/sb1000.c Fri Nov 16 20:09:42 2001
@@ -403,7 +403,7 @@
}
timeout = jiffies + Sb1000TimeOutJiffies;
while (!(inb(ioaddr[1] + 6) & 0x40)) {
- if (jiffies >= timeout) {
+ if (time_after_eq(jiffies, timeout)) {
printk(KERN_WARNING "%s: sb1000_wait_for_ready timeout\n",
name);
return -ETIME;
@@ -421,7 +421,7 @@
timeout = jiffies + Sb1000TimeOutJiffies;
while (inb(ioaddr[1] + 6) & 0x80) {
- if (jiffies >= timeout) {
+ if (time_after_eq(jiffies, timeout)) {
printk(KERN_WARNING "%s: sb1000_wait_for_ready_clear timeout\n",
name);
return -ETIME;
@@ -429,7 +429,7 @@
}
timeout = jiffies + Sb1000TimeOutJiffies;
while (inb(ioaddr[1] + 6) & 0x40) {
- if (jiffies >= timeout) {
+ if (time_after_eq(jiffies, timeout)) {
printk(KERN_WARNING "%s: sb1000_wait_for_ready_clear timeout\n",
name);
return -ETIME;
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/sbus/char/aurora.c linux-2.4.15-pre5-jiffies64/drivers/sbus/char/aurora.c
--- linux-2.4.15-pre5/drivers/sbus/char/aurora.c Wed Oct 31 00:08:11 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/sbus/char/aurora.c Fri Nov 16 20:09:42 2001
@@ -180,7 +180,7 @@
#ifdef AURORA_DEBUG
printk("aurora_long_delay: start\n");
#endif
- for (i = jiffies + delay; i > jiffies; ) ;
+ for (i = jiffies + delay; time_before(jiffies, i); ) ;
#ifdef AURORA_DEBUG
printk("aurora_long_delay: end\n");
#endif
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/scsi/53c7,8xx.c linux-2.4.15-pre5-jiffies64/drivers/scsi/53c7,8xx.c
--- linux-2.4.15-pre5/drivers/scsi/53c7,8xx.c Thu Oct 25 22:53:48 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/scsi/53c7,8xx.c Fri Nov 16 20:09:42 2001
@@ -1867,7 +1867,7 @@
*/
timeout = jiffies + 5 * HZ / 10;
- while ((hostdata->test_completed == -1) && jiffies < timeout) {
+ while ((hostdata->test_completed == -1) && time_before(jiffies, timeout)) {
barrier();
cpu_relax();
}
@@ -1953,7 +1953,7 @@
restore_flags(flags);
timeout = jiffies + 5 * HZ; /* arbitrary */
- while ((hostdata->test_completed == -1) && jiffies < timeout) {
+ while ((hostdata->test_completed == -1) && time_before(jiffies, timeout)) {
barrier();
cpu_relax();
}
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/scsi/53c7xx.c linux-2.4.15-pre5-jiffies64/drivers/scsi/53c7xx.c
--- linux-2.4.15-pre5/drivers/scsi/53c7xx.c Thu Oct 25 22:53:48 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/scsi/53c7xx.c Fri Nov 16 20:09:42 2001
@@ -1627,7 +1627,7 @@
*/
timeout = jiffies + 5 * HZ / 10;
- while ((hostdata->test_completed == -1) && jiffies < timeout)
+ while ((hostdata->test_completed == -1) && time_before(jiffies, timeout))
barrier();
failed = 1;
@@ -1713,7 +1713,7 @@
restore_flags(flags);
timeout = jiffies + 5 * HZ; /* arbitrary */
- while ((hostdata->test_completed == -1) && jiffies < timeout)
+ while ((hostdata->test_completed == -1) && time_before(jiffies, timeout))
barrier();
NCR53c7x0_write32 (DSA_REG, 0);
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/scsi/cpqfcTSstructs.h linux-2.4.15-pre5-jiffies64/drivers/scsi/cpqfcTSstructs.h
--- linux-2.4.15-pre5/drivers/scsi/cpqfcTSstructs.h Thu Oct 25 22:53:50 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/scsi/cpqfcTSstructs.h Fri Nov 16 20:09:42 2001
@@ -27,7 +27,7 @@
#define DbgDelay(secs) { int wait_time; printk( " DbgDelay %ds ", secs); \
for( wait_time=jiffies + (secs*HZ); \
- wait_time > jiffies ;) ; }
+ time_before(jiffies, wait_time) ;) ; }
#define CPQFCTS_DRIVER_VER(maj,min,submin) ((maj<<16)|(min<<8)|(submin))
// don't forget to also change MODULE_DESCRIPTION in cpqfcTSinit.c
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/scsi/gdth_proc.c linux-2.4.15-pre5-jiffies64/drivers/scsi/gdth_proc.c
--- linux-2.4.15-pre5/drivers/scsi/gdth_proc.c Fri Sep 7 18:28:37 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/scsi/gdth_proc.c Fri Nov 16 20:09:42 2001
@@ -1464,7 +1464,7 @@
timer_table[SCSI_TIMER].expires = jiffies + timeout;
timer_active |= 1 << SCSI_TIMER;
} else {
- if (jiffies + timeout < timer_table[SCSI_TIMER].expires)
+ if (time_before(jiffies + timeout, timer_table[SCSI_TIMER].expires))
timer_table[SCSI_TIMER].expires = jiffies + timeout;
}
}
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/scsi/mac_scsi.c linux-2.4.15-pre5-jiffies64/drivers/scsi/mac_scsi.c
--- linux-2.4.15-pre5/drivers/scsi/mac_scsi.c Sun Nov 12 04:01:11 2000
+++ linux-2.4.15-pre5-jiffies64/drivers/scsi/mac_scsi.c Fri Nov 16 20:09:42 2001
@@ -353,7 +353,7 @@
NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE );
NCR5380_read( RESET_PARITY_INTERRUPT_REG );
- for( end = jiffies + AFTER_RESET_DELAY; jiffies < end; )
+ for( end = jiffies + AFTER_RESET_DELAY; time_before(jiffies, end); )
barrier();
/* switch on SCSI IRQ again */
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/scsi/qlogicfas.c linux-2.4.15-pre5-jiffies64/drivers/scsi/qlogicfas.c
--- linux-2.4.15-pre5/drivers/scsi/qlogicfas.c Thu Oct 25 22:53:51 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/scsi/qlogicfas.c Fri Nov 16 20:09:42 2001
@@ -271,11 +271,11 @@
int i,k;
k = 0;
i = jiffies + WATCHDOG;
- while ( i > jiffies && !qabort && !((k = inb(qbase + 4)) & 0xe0)) {
+ while (time_before(jiffies, i) && !qabort && !((k = inb(qbase + 4)) & 0xe0)) {
barrier();
cpu_relax();
}
- if (i <= jiffies)
+ if (time_after_eq(jiffies, i))
return (DID_TIME_OUT);
if (qabort)
return (qabort == 1 ? DID_ABORT : DID_RESET);
@@ -405,8 +405,8 @@
}
/*** Enter Status (and Message In) Phase ***/
k = jiffies + WATCHDOG;
- while ( k > jiffies && !qabort && !(inb(qbase + 4) & 6)); /* wait for status phase */
- if ( k <= jiffies ) {
+ while ( time_before(jiffies, k) && !qabort && !(inb(qbase + 4) & 6)); /* wait for status phase */
+ if ( time_after_eq(jiffies, k) ) {
ql_zap();
return (DID_TIME_OUT << 16);
}
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/scsi/qlogicfc.c linux-2.4.15-pre5-jiffies64/drivers/scsi/qlogicfc.c
--- linux-2.4.15-pre5/drivers/scsi/qlogicfc.c Thu Oct 25 22:53:51 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/scsi/qlogicfc.c Fri Nov 16 20:09:42 2001
@@ -803,7 +803,7 @@
outw(HCCR_CLEAR_RISC_INTR, host->io_port + HOST_HCCR);
isp2x00_enable_irqs(host);
/* wait for the loop to come up */
- for (wait_time = jiffies + 10 * HZ; wait_time > jiffies && hostdata->adapter_state == AS_LOOP_DOWN;) {
+ for (wait_time = jiffies + 10 * HZ; time_before(jiffies, wait_time) && hostdata->adapter_state == AS_LOOP_DOWN;) {
barrier();
cpu_relax();
}
@@ -820,7 +820,7 @@
some time before recognizing it is attached to a fabric */
#if ISP2x00_FABRIC
- for (wait_time = jiffies + 5 * HZ; wait_time > jiffies;) {
+ for (wait_time = jiffies + 5 * HZ; time_before(jiffies, wait_time);) {
barrier();
cpu_relax();
}
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/scsi/sun3_scsi.c linux-2.4.15-pre5-jiffies64/drivers/scsi/sun3_scsi.c
--- linux-2.4.15-pre5/drivers/scsi/sun3_scsi.c Thu Oct 25 22:53:51 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/scsi/sun3_scsi.c Fri Nov 16 20:09:42 2001
@@ -357,7 +357,7 @@
NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE );
NCR5380_read( RESET_PARITY_INTERRUPT_REG );
- for( end = jiffies + AFTER_RESET_DELAY; jiffies < end; )
+ for( end = jiffies + AFTER_RESET_DELAY; time_before(jiffies, end); )
barrier();
/* switch on SCSI IRQ again */
diff -u -r --exclude-from dontdiff linux-2.4.15-pre5/drivers/scsi/sym53c416.c linux-2.4.15-pre5-jiffies64/drivers/scsi/sym53c416.c
--- linux-2.4.15-pre5/drivers/scsi/sym53c416.c Sun Sep 30 21:26:07 2001
+++ linux-2.4.15-pre5-jiffies64/drivers/scsi/sym53c416.c Fri Nov 16 20:09:42 2001
@@ -277,7 +277,7 @@
{
i = jiffies + timeout;
restore_flags(flags);
- while(jiffies < i && (inb(base + PIO_INT_REG) & EMPTY) && timeout)
+ while(time_before(jiffies, i) && (inb(base + PIO_INT_REG) & EMPTY) && timeout)
if(inb(base + PIO_INT_REG) & SCI)
timeout = 0;
save_flags(flags);
@@ -323,7 +323,7 @@
{
i = jiffies + timeout;
restore_flags(flags);
- while(jiffies < i && (inb(base + PIO_INT_REG) & FULL) && timeout)
+ while(time_before(jiffies, i) && (inb(base + PIO_INT_REG) & FULL) && timeout)
;
save_flags(flags);
cli();
@@ -559,9 +559,9 @@
outb(0x00, base + DEST_BUS_ID);
/* Wait for interrupt to occur */
i = jiffies + 20;
- while(i > jiffies && !(inb(base + STATUS_REG) & SCI))
+ while(time_before(jiffies, i) && !(inb(base + STATUS_REG) & SCI))
barrier();
- if(i <= jiffies) /* timed out */
+ if(time_after_eq(jiffies, i)) /* timed out */
return 0;
/* Get occurred irq */
irq = probe_irq_off(irqs);
-
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This archive was generated by hypermail 2b29 : Fri Nov 23 2001 - 21:00:14 EST