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[PATCH] ppc64: Don't count number of events processed for caller 

Currently we count the number of lpevents processed in 3 seperate places.

One of these counters is never read, so just remove it. This means
hvlpevent_queue_process() no longer needs to return the number of events
processed.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michael Ellerman 2005-06-30 15:15:53 +10:00 committed by Paul Mackerras
parent 937b31b114
commit 74889802a1
5 changed files with 6 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/ppc64/kernel/ItLpQueue.c
View File

@ -127,14 +127,14 @@ static void hvlpevent_clear_valid( struct HvLpEvent * event )
event->xFlags.xValid = 0;
}
unsigned process_hvlpevents(struct pt_regs *regs)
void process_hvlpevents(struct pt_regs *regs)
{
unsigned numIntsProcessed = 0;
struct HvLpEvent * nextLpEvent;
/* If we have recursed, just return */
if ( !set_inUse() )
return 0;
return;
if (ItLpQueueInProcess == 0)
ItLpQueueInProcess = 1;
@ -144,9 +144,6 @@ unsigned process_hvlpevents(struct pt_regs *regs)
for (;;) {
nextLpEvent = get_next_hvlpevent();
if ( nextLpEvent ) {
/* Count events to return to caller
* and count processed events in hvlpevent_queue
*/
++numIntsProcessed;
hvlpevent_queue.xLpIntCount++;
/* Call appropriate handler here, passing
@ -186,8 +183,6 @@ unsigned process_hvlpevents(struct pt_regs *regs)
clear_inUse();
get_paca()->lpevent_count += numIntsProcessed;
return numIntsProcessed;
}
static int set_spread_lpevents(char *str)

3
arch/ppc64/kernel/irq.c
View File

@ -66,7 +66,6 @@ EXPORT_SYMBOL(irq_desc);
int distribute_irqs = 1;
int __irq_offset_value;
int ppc_spurious_interrupts;
unsigned long lpevent_count;
u64 ppc64_interrupt_controller;
int show_interrupts(struct seq_file *p, void *v)
@ -295,7 +294,7 @@ void do_IRQ(struct pt_regs *regs)
}
#endif /* CONFIG_SMP */
if (hvlpevent_is_pending())
lpevent_count += process_hvlpevents(regs);
process_hvlpevents(regs);
irq_exit();

3
arch/ppc64/kernel/mf.c
View File

@ -801,9 +801,8 @@ int mf_get_boot_rtc(struct rtc_time *tm)
return rc;
/* We need to poll here as we are not yet taking interrupts */
while (rtc_data.busy) {
extern unsigned long lpevent_count;
if (hvlpevent_is_pending())
lpevent_count += process_hvlpevents(NULL);
process_hvlpevents(NULL);
}
return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
}

3
arch/ppc64/kernel/time.c
View File

@ -99,7 +99,6 @@ unsigned long tb_to_ns_shift;
struct gettimeofday_struct do_gtod;
extern unsigned long wall_jiffies;
extern unsigned long lpevent_count;
extern int smp_tb_synchronized;
extern struct timezone sys_tz;
@ -368,7 +367,7 @@ int timer_interrupt(struct pt_regs * regs)
#ifdef CONFIG_PPC_ISERIES
if (hvlpevent_is_pending())
lpevent_count += process_hvlpevents(regs);
process_hvlpevents(regs);
#endif
/* collect purr register values often, for accurate calculations */

2
include/asm-ppc64/iSeries/ItLpQueue.h
View File

@ -77,7 +77,7 @@ struct hvlpevent_queue {
extern struct hvlpevent_queue hvlpevent_queue;
extern int hvlpevent_is_pending(void);
extern unsigned process_hvlpevents(struct pt_regs *);
extern void process_hvlpevents(struct pt_regs *);
extern void setup_hvlpevent_queue(void);
#endif /* _ITLPQUEUE_H */