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-rw-r--r--arch/ppc64/kernel/ItLpQueue.c16
-rw-r--r--arch/ppc64/kernel/iSeries_setup.c6
-rw-r--r--arch/ppc64/kernel/idle.c4
-rw-r--r--arch/ppc64/kernel/irq.c6
-rw-r--r--arch/ppc64/kernel/mf.c5
-rw-r--r--arch/ppc64/kernel/pacaData.c1
-rw-r--r--arch/ppc64/kernel/time.c7
-rw-r--r--include/asm-ppc64/paca.h2
8 files changed, 19 insertions, 28 deletions
diff --git a/arch/ppc64/kernel/ItLpQueue.c b/arch/ppc64/kernel/ItLpQueue.c
index cdea00d7707..e90dca8bd13 100644
--- a/arch/ppc64/kernel/ItLpQueue.c
+++ b/arch/ppc64/kernel/ItLpQueue.c
@@ -69,15 +69,17 @@ struct HvLpEvent * ItLpQueue_getNextLpEvent( struct ItLpQueue * lpQueue )
return nextLpEvent;
}
+unsigned long spread_lpevents = 1;
+
int ItLpQueue_isLpIntPending( struct ItLpQueue * lpQueue )
{
- int retval = 0;
- struct HvLpEvent * nextLpEvent;
- if ( lpQueue ) {
- nextLpEvent = (struct HvLpEvent *)lpQueue->xSlicCurEventPtr;
- retval = nextLpEvent->xFlags.xValid | lpQueue->xPlicOverflowIntPending;
- }
- return retval;
+ struct HvLpEvent *next_event;
+
+ if (smp_processor_id() >= spread_lpevents)
+ return 0;
+
+ next_event = (struct HvLpEvent *)lpQueue->xSlicCurEventPtr;
+ return next_event->xFlags.xValid | lpQueue->xPlicOverflowIntPending;
}
void ItLpQueue_clearValid( struct HvLpEvent * event )
diff --git a/arch/ppc64/kernel/iSeries_setup.c b/arch/ppc64/kernel/iSeries_setup.c
index 86966ce76b5..2049b6dbafc 100644
--- a/arch/ppc64/kernel/iSeries_setup.c
+++ b/arch/ppc64/kernel/iSeries_setup.c
@@ -855,17 +855,15 @@ late_initcall(iSeries_src_init);
static int set_spread_lpevents(char *str)
{
- unsigned long i;
unsigned long val = simple_strtoul(str, NULL, 0);
+ extern unsigned long spread_lpevents;
/*
* The parameter is the number of processors to share in processing
* lp events.
*/
if (( val > 0) && (val <= NR_CPUS)) {
- for (i = 1; i < val; ++i)
- paca[i].lpqueue_ptr = paca[0].lpqueue_ptr;
-
+ spread_lpevents = val;
printk("lpevent processing spread over %ld processors\n", val);
} else {
printk("invalid spread_lpevents %ld\n", val);
diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c
index bdf13b4dc1c..63977a7a309 100644
--- a/arch/ppc64/kernel/idle.c
+++ b/arch/ppc64/kernel/idle.c
@@ -88,7 +88,7 @@ static int iSeries_idle(void)
while (1) {
if (lpaca->lppaca.shared_proc) {
- if (ItLpQueue_isLpIntPending(lpaca->lpqueue_ptr))
+ if (ItLpQueue_isLpIntPending(&xItLpQueue))
process_iSeries_events();
if (!need_resched())
yield_shared_processor();
@@ -100,7 +100,7 @@ static int iSeries_idle(void)
while (!need_resched()) {
HMT_medium();
- if (ItLpQueue_isLpIntPending(lpaca->lpqueue_ptr))
+ if (ItLpQueue_isLpIntPending(&xItLpQueue))
process_iSeries_events();
HMT_low();
}
diff --git a/arch/ppc64/kernel/irq.c b/arch/ppc64/kernel/irq.c
index 3defc8c33ad..b1e6acb02a9 100644
--- a/arch/ppc64/kernel/irq.c
+++ b/arch/ppc64/kernel/irq.c
@@ -269,7 +269,6 @@ out:
void do_IRQ(struct pt_regs *regs)
{
struct paca_struct *lpaca;
- struct ItLpQueue *lpq;
irq_enter();
@@ -295,9 +294,8 @@ void do_IRQ(struct pt_regs *regs)
iSeries_smp_message_recv(regs);
}
#endif /* CONFIG_SMP */
- lpq = lpaca->lpqueue_ptr;
- if (lpq && ItLpQueue_isLpIntPending(lpq))
- lpevent_count += ItLpQueue_process(lpq, regs);
+ if (ItLpQueue_isLpIntPending(&xItLpQueue))
+ lpevent_count += ItLpQueue_process(&xItLpQueue, regs);
irq_exit();
diff --git a/arch/ppc64/kernel/mf.c b/arch/ppc64/kernel/mf.c
index d98bebf7042..d6a297a4feb 100644
--- a/arch/ppc64/kernel/mf.c
+++ b/arch/ppc64/kernel/mf.c
@@ -802,9 +802,8 @@ int mf_get_boot_rtc(struct rtc_time *tm)
/* We need to poll here as we are not yet taking interrupts */
while (rtc_data.busy) {
extern unsigned long lpevent_count;
- struct ItLpQueue *lpq = get_paca()->lpqueue_ptr;
- if (lpq && ItLpQueue_isLpIntPending(lpq))
- lpevent_count += ItLpQueue_process(lpq, NULL);
+ if (ItLpQueue_isLpIntPending(&xItLpQueue))
+ lpevent_count += ItLpQueue_process(&xItLpQueue, NULL);
}
return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
}
diff --git a/arch/ppc64/kernel/pacaData.c b/arch/ppc64/kernel/pacaData.c
index a3e0975c26c..ebfb517019e 100644
--- a/arch/ppc64/kernel/pacaData.c
+++ b/arch/ppc64/kernel/pacaData.c
@@ -45,7 +45,6 @@ extern unsigned long __toc_start;
#ifdef CONFIG_PPC_ISERIES
#define EXTRA_INITS(number, lpq) \
.lppaca_ptr = &paca[number].lppaca, \
- .lpqueue_ptr = (lpq), /* &xItLpQueue, */ \
.reg_save_ptr = &paca[number].reg_save, \
.reg_save = { \
.xDesc = 0xd397d9e2, /* "LpRS" */ \
diff --git a/arch/ppc64/kernel/time.c b/arch/ppc64/kernel/time.c
index 2a532db9138..cdc43afb563 100644
--- a/arch/ppc64/kernel/time.c
+++ b/arch/ppc64/kernel/time.c
@@ -367,11 +367,8 @@ int timer_interrupt(struct pt_regs * regs)
set_dec(next_dec);
#ifdef CONFIG_PPC_ISERIES
- {
- struct ItLpQueue *lpq = lpaca->lpqueue_ptr;
- if (lpq && ItLpQueue_isLpIntPending(lpq))
- lpevent_count += ItLpQueue_process(lpq, regs);
- }
+ if (ItLpQueue_isLpIntPending(&xItLpQueue))
+ lpevent_count += ItLpQueue_process(&xItLpQueue, regs);
#endif
/* collect purr register values often, for accurate calculations */
diff --git a/include/asm-ppc64/paca.h b/include/asm-ppc64/paca.h
index ae76cae1483..0146f51684e 100644
--- a/include/asm-ppc64/paca.h
+++ b/include/asm-ppc64/paca.h
@@ -20,7 +20,6 @@
#include <asm/types.h>
#include <asm/lppaca.h>
#include <asm/iSeries/ItLpRegSave.h>
-#include <asm/iSeries/ItLpQueue.h>
#include <asm/mmu.h>
register struct paca_struct *local_paca asm("r13");
@@ -62,7 +61,6 @@ struct paca_struct {
u16 paca_index; /* Logical processor number */
u32 default_decr; /* Default decrementer value */
- struct ItLpQueue *lpqueue_ptr; /* LpQueue handled by this CPU */
u64 kernel_toc; /* Kernel TOC address */
u64 stab_real; /* Absolute address of segment table */
u64 stab_addr; /* Virtual address of segment table */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-18 22:07:05 +0000